{"id":6607,"date":"2026-09-29T06:50:50","date_gmt":"2026-09-29T06:50:50","guid":{"rendered":"https:\/\/bioprofile.com\/?page_id=6607"},"modified":"2026-09-29T19:10:58","modified_gmt":"2026-09-29T19:10:58","slug":"ferritine","status":"publish","type":"page","link":"https:\/\/bioprofile.com\/es\/biomarkers\/ferritine\/","title":{"rendered":"Ferritina"},"content":{"rendered":"\n<div id=\"content\" tabindex=\"-1\"><\/div>\n<style>@import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');\n\/* ===========================================================================\n   BioProfile advertorial, the design Jesse approved on 2026-07-30, expressed\n   as a WordPress design system.\n\n   THE @import IS LOAD BEARING and must stay the first thing in this sheet (a\n   CSS @import after any rule is dropped by the parser). elementor_canvas does\n   not enqueue the theme's fonts, so without it the whole page falls back to the\n   system font. Caught by LOOKING at the live page on 2026-07-30, right after\n   the template was switched to canvas.\n\n   Everything is scoped to `.bp-adv`, so nothing here can reach the rest of\n   bioprofile.com, and core blocks are styled BY ELEMENT so a heading, a\n   paragraph, a quote, a list, an image or a button inserted by hand inside the\n   advertorial comes out on-design with no class to remember.\n\n   Jesse's design feedback, 2026-07-29 23:38, point by point:\n   1. the light green and the dark green are the preferred colours; grey may be\n      used but the page must NOT open grey;\n   2. more colour and variation across sections, e.g. a colour block on the left\n      or the right side of a section, without overdesign;\n   3. ONE H1, plain text on white; everything else H2 or H3; an H2 may carry its\n      own background colour so the page can be read from the headings alone; an\n      H3 keeps its section background and gets a bigger font size;\n   4. reuse the results page design feel;\n   5. Written by \/ Verified by, the placeholder blocks and noindex stay.\n\n   COLOUR PROVENANCE. Not one hex is invented.\n   - #b7cb32  LIGHT GREEN, brand manual \"colours rejuvenation protocol\"\n              (R183 G203 B51). Same value as --bp-lime in\n              brands\/bioprofile\/brand\/tokens.md.\n   - #006b62  DARK GREEN, brand manual, nourish the cells (R0 G107 B98).\n   - #005859  brand manual primary teal, the value the brand is built on.\n   - #228a62  brand manual, challenge the body (R34 G138 B98).\n   - #7ca64c  brand manual, calm the mind (R124 G166 B76).\n   - #dbd4cd  brand manual \"additional color\", the warm neutral.\n   - #B7CB3329 is the brand token --bp-lime-soft (light green at 16 percent).\n   - the gradients are the brand token layer's own, copied verbatim.\n\n   SPECIFICITY NOTE. Elementor's global kit emits `.elementor-kit-6 h2` style\n   rules at (0,1,1). Element rules below are written `.bp-adv h2`, also (0,1,1),\n   and win on source order because this sheet is inline in the body while the\n   kit is a <link> in the head. Component rules that MUST NOT lose carry two\n   classes, e.g. `.bp-adv .wp-block-button__link`.\n\n   LAYOUT NOTE. Vertical rhythm uses `margin-block` and never the `margin`\n   shorthand, so the measure rule `.bp-adv-sec > * { margin-inline: auto }` can\n   centre a block without being outranked by its own element rule.\n   =========================================================================== *\/\n\n.bp-adv {\n  --bp-ink: #212527;\n  --bp-teal: #005859;\n  --bp-forest: #006B62;\n  --bp-emerald: #228A62;\n  --bp-olive: #7CA64C;\n  --bp-lime: #B7CB33;\n  --bp-lime-soft: #B7CB3329;\n  --bp-sand: #DBD4CB;\n  --bp-white: #FFFFFF;\n  --bp-foot: #6b6b6b;\n  --bp-grad-dark: linear-gradient(237deg, rgba(0,88,89,0.00) 62.94%, #005859 100%), linear-gradient(90deg, rgba(34,138,98,0.00) 40%, #228A62 100%), #006B62;\n  --bp-grad-lime: linear-gradient(110deg, rgba(183,203,51,0.00) 36.06%, rgba(183,203,51,0.25) 97.65%), #FFFFFF;\n  --bp-font: 'Poppins','Segoe UI',Arial,sans-serif;\n  --bp-fs-h1: 44px; --bp-fs-h2: 31px; --bp-fs-h3: 24px; --bp-fs-pre: 15px;\n  --bp-fs-body: 17px; --bp-fs-small: 14px; --bp-fs-foot: 13px; --bp-fs-btn: 17px;\n  --bp-lh-body: 1.75;\n  --bp-s-1: 4px; --bp-s-2: 8px; --bp-s-3: 12px; --bp-s-4: 16px;\n  --bp-s-5: 24px; --bp-s-6: 32px; --bp-s-7: 44px; --bp-s-8: 72px;\n  --bp-measure: 760px; --bp-side: 40px;\n  --bp-radius-photo: 16px; --bp-radius-btn: 10px; --bp-radius-card: 20px;\n  --bp-shadow: 0 10px 30px rgba(0,88,89,0.10);\n  font-family: var(--bp-font);\n  font-size: var(--bp-fs-body);\n  line-height: var(--bp-lh-body);\n  color: var(--bp-ink);\n  background: var(--bp-white);\n  -webkit-font-smoothing: antialiased;\n}\n.bp-adv, .bp-adv * { box-sizing: border-box; }\n.bp-adv p, .bp-adv li, .bp-adv h1, .bp-adv h2, .bp-adv h3, .bp-adv blockquote,\n.bp-adv a, .bp-adv cite, .bp-adv span { overflow-wrap: break-word; min-width: 0; }\n\n\/* THE TOGGLE. One word in the block's own \"Additional CSS class(es)\" field\n   hides an optional component on the front end without deleting anything. *\/\n.bp-adv .bp-off { display: none !important; }\n\n\/* the page opens on green, never on grey (his point 1) *\/\n.bp-adv .bp-adv-rule {\n  height: 6px; border: 0; margin-block: 0; max-width: none;\n  background: linear-gradient(90deg, #005859 0%, #006B62 38%, #228A62 66%, #B7CB33 100%);\n}\n\n\/* --- section surfaces ------------------------------------------------------ *\/\n.bp-adv-sec { position: relative; background: var(--bp-white);\n  padding: var(--bp-s-8) var(--bp-side); margin-block: 0; }\n\/* the measure: every direct child of a section is the 760px text column *\/\n.bp-adv-sec > * { max-width: var(--bp-measure); margin-inline: auto; }\n.bp-adv-sec > *:last-child { margin-block-end: 0; }\n.bp-adv-sec--wash  { background: linear-gradient(180deg, #B7CB331F 0%, #B7CB3312 100%), #FFFFFF; }\n.bp-adv-sec--dark  { background: var(--bp-grad-dark); color: var(--bp-white); }\n.bp-adv-sec--dark p, .bp-adv-sec--dark cite, .bp-adv-sec--dark li { color: var(--bp-white); }\n.bp-adv-sec--offer { background: var(--bp-grad-lime); text-align: center; }\n.bp-adv-sec--hero  { padding-block-start: var(--bp-s-6); }\n.bp-adv-sec--disclosure { padding-block: var(--bp-s-6);\n  border-top: 1px solid var(--bp-sand); }\n\n\/* --- the side accent bar, his own example (\"a colour block on the left or the\n       right side of a section\"), design rev 3: a slim vertical bar hugging the\n       text column rather than a wide margin panel. Below 1100px the margin is\n       gone, so it becomes a slim top edge. ---------------------------------- *\/\n.bp-adv-rail { overflow: hidden; }\n.bp-adv-rail::before {\n  content: \"\"; position: absolute; top: var(--bp-s-7); bottom: var(--bp-s-7);\n  width: 6px; border-radius: 3px;\n  background: linear-gradient(180deg, var(--bp-forest) 0%, var(--bp-lime) 100%);\n}\n.bp-adv-rail--left::before  { left: calc((100% - var(--bp-measure)) \/ 2 - 34px); }\n.bp-adv-rail--right::before { right: calc((100% - var(--bp-measure)) \/ 2 - 34px); }\n@media (max-width: 1099px) {\n  .bp-adv-rail::before { left: 0; right: 0; width: auto; bottom: auto; top: 0;\n    height: 4px; border-radius: 0; background: var(--bp-lime); }\n}\n\n\/* --- CORE BLOCKS, styled by element. This is the part that makes an inserted\n       block come out on-design with no class. --------------------------------- *\/\n.bp-adv p { font-size: var(--bp-fs-body); line-height: var(--bp-lh-body);\n  margin-block: 0 var(--bp-s-5); }\n.bp-adv h1 { font-size: var(--bp-fs-h1); font-weight: 700; line-height: 1.22;\n  margin-block: 0 var(--bp-s-4); }\n\/* an H2 is its own colour band, so the page can be read from the headings\n   alone (his point 3). Dark green on light sections, light green on the dark\n   one, so a heading always wins against its own background. *\/\n.bp-adv h2 {\n  font-size: var(--bp-fs-h2); font-weight: 700; line-height: 1.28;\n  margin-block: 0 var(--bp-s-5);\n  background: var(--bp-grad-dark); color: var(--bp-white);\n  padding: var(--bp-s-4) var(--bp-s-5);\n  border-radius: var(--bp-radius-btn);\n  border-left: 6px solid var(--bp-lime);\n}\n.bp-adv-sec--dark h2 { background: var(--bp-lime); color: var(--bp-ink);\n  border-left-color: var(--bp-forest); }\n\/* H3: same background as its section, bigger font (his point 3, verbatim) *\/\n.bp-adv h3 { font-size: var(--bp-fs-h3); font-weight: 700; line-height: 1.35;\n  color: var(--bp-forest); background: transparent; margin-block: 0 var(--bp-s-3); }\n.bp-adv-sec--dark h3 { color: var(--bp-lime); }\n.bp-adv ul, .bp-adv ol { font-size: var(--bp-fs-body); line-height: var(--bp-lh-body);\n  margin-block: 0 var(--bp-s-5); padding-left: var(--bp-s-5); }\n.bp-adv li { margin-block-end: var(--bp-s-2); }\n.bp-adv a { color: var(--bp-teal); text-decoration: underline; }\n.bp-adv a:hover { color: var(--bp-olive); }\n.bp-adv-sec--dark a, .bp-adv-sec--dark strong { color: var(--bp-lime); }\n.bp-adv strong { font-weight: 700; }\n\/* the highlight pill. Colours ride on the inline style core writes, so only\n   the shape lives here and any <mark> in the article picks it up. *\/\n.bp-adv mark {\n  padding: 0 10px; border-radius: 10px; display: inline;\n  -webkit-box-decoration-break: clone; box-decoration-break: clone;\n}\n\/* figures match the approved page exactly: card radius plus the soft shadow,\n   and a left-aligned caption rather than core's centred one *\/\n.bp-adv .wp-block-image { margin-block: var(--bp-s-5); margin-inline: auto; }\n.bp-adv .wp-block-image img { display: block; width: 100%; height: auto;\n  border-radius: var(--bp-radius-card); box-shadow: var(--bp-shadow); }\n.bp-adv .wp-block-image figcaption { font-size: var(--bp-fs-foot); line-height: 1.55;\n  color: var(--bp-foot); text-align: left; margin-block: var(--bp-s-2) 0; }\n.bp-adv .wp-block-embed, .bp-adv .wp-block-video { margin-block: var(--bp-s-5); }\n.bp-adv .wp-block-embed iframe, .bp-adv .wp-block-video video {\n  width: 100%; border-radius: var(--bp-radius-photo); }\n.bp-adv .wp-block-separator:not(.bp-adv-rule) { border: 0; border-top: 1px solid var(--bp-sand);\n  margin-block: var(--bp-s-5); }\n\n\/* quotes: core pullquote and core quote both land on the lime rule. The\n   font-size reset undoes core's own 1.5em on the figure, which would otherwise\n   leak into anything inside the quote that has no size of its own. *\/\n\/* margin-inline is load bearing, and it must be `auto` rather than `0`.\n   `blockquote` and `figure` carry a 40px side margin in the browser's own\n   default stylesheet, which indents the quote inside its rule and makes the\n   copy wrap early on a phone. But these blocks are direct children of a\n   section, so zeroing the side margin also defeats the measure rule\n   `.bp-adv-sec > * { margin-inline: auto }` and pins them to the left edge. *\/\n.bp-adv .wp-block-pullquote, .bp-adv .wp-block-quote {\n  border: 0; border-left: 5px solid var(--bp-lime); background: transparent;\n  padding: var(--bp-s-2) 0 var(--bp-s-2) var(--bp-s-5);\n  margin-block: var(--bp-s-5); margin-inline: auto;\n  text-align: left; font-size: var(--bp-fs-body);\n}\n.bp-adv .wp-block-pullquote blockquote { border: 0; margin: 0; padding: 0; }\n.bp-adv .wp-block-pullquote p, .bp-adv .wp-block-quote p {\n  font-size: 24px; line-height: 1.45; font-weight: 600;\n  margin-block: 0 var(--bp-s-2); color: var(--bp-forest); }\n.bp-adv .wp-block-pullquote cite, .bp-adv .wp-block-quote cite {\n  display: block; margin: 0; font-size: var(--bp-fs-small); color: var(--bp-foot);\n  font-style: normal; text-transform: none; }\n\n\/* buttons: two classes so core's own .wp-block-button__link cannot win *\/\n.bp-adv .wp-block-buttons { display: flex; justify-content: center;\n  margin-block: 0 var(--bp-s-4); }\n.bp-adv .wp-block-button__link {\n  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;\n  background: var(--bp-teal); color: var(--bp-white); font-size: var(--bp-fs-btn);\n  font-weight: 700; line-height: 1.2; border-radius: var(--bp-radius-btn);\n  padding: 15px 44px; text-decoration: none; transition: background 250ms ease;\n  box-shadow: var(--bp-shadow);\n}\n.bp-adv .wp-block-button__link:hover { background: var(--bp-olive); color: var(--bp-white); }\n\n\/* --- slot 1: pre-headline, headline, sub-headline (Jesse's headline skill) --- *\/\n.bp-adv .bp-adv-preheadline {\n  color: var(--bp-forest); font-size: var(--bp-fs-pre); font-weight: 600; line-height: 1.5;\n  border-left: 4px solid var(--bp-lime); padding-left: var(--bp-s-3);\n  margin-block: 0 var(--bp-s-4);\n}\n.bp-adv .bp-adv-subheadline { font-size: 21px; line-height: 1.5; font-weight: 600;\n  color: var(--bp-forest); margin-block: 0 var(--bp-s-5); }\n.bp-adv .bp-adv-standfirst { font-size: 19px; line-height: 1.65;\n  margin-block: 0 var(--bp-s-5); }\n.bp-adv .bp-adv-lede { font-size: 18px; line-height: 1.7;\n  margin-block: 0 var(--bp-s-5); }\n.bp-adv .bp-adv-byline { font-size: var(--bp-fs-small); color: var(--bp-foot);\n  line-height: 1.6; margin-block: 0 var(--bp-s-5); }\n.bp-adv .bp-adv-socialproof { font-size: var(--bp-fs-small); color: var(--bp-foot);\n  margin-block: 0 var(--bp-s-5); }\n\/* the offer headline above the CTA. Jesse asked for a second H1 here; the brand\n   doc's accessibility rule is one h1 per page, so it is rendered at H1 size and\n   stays an h2 element. Named in the close as the one design conflict. *\/\n.bp-adv h2.bp-adv-offerhead {\n  font-size: var(--bp-fs-h1); font-weight: 700; line-height: 1.22;\n  margin-block: 0 var(--bp-s-4); text-align: center; color: var(--bp-ink);\n  background: none; padding: 0; border: 0; border-radius: 0;\n}\n\n\/* --- Written by + Verified by. The avatar is the first child and spans the\n       three text rows, so the whole box is four ordinary paragraphs and stays\n       editable without nested columns. ---------------------------------------- *\/\n.bp-adv .bp-adv-authors {\n  background: var(--bp-white); border: 1px solid var(--bp-sand);\n  border-top: 4px solid var(--bp-lime); border-radius: var(--bp-radius-card);\n  box-shadow: var(--bp-shadow); padding: var(--bp-s-5);\n  margin-block: 0 var(--bp-s-4);\n  \/* auto-fit, so switching the verified box off leaves one full-width author\n     rather than a half-empty card *\/\n  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n  gap: var(--bp-s-5); align-items: start;\n}\n.bp-adv .bp-adv-author {\n  display: grid; grid-template-columns: 62px 1fr; gap: 0 var(--bp-s-3);\n  align-items: start; min-width: 0;\n}\n.bp-adv .bp-adv-avatar {\n  grid-row: 1 \/ span 3; width: 62px; height: 62px; border-radius: 50%;\n  background: #B7CB331F; border: 2px dashed var(--bp-olive);\n  display: flex; align-items: center; justify-content: center;\n  font-size: 10px; font-weight: 700; letter-spacing: 0.06em; color: var(--bp-forest);\n  margin-block: 0;\n}\n.bp-adv .bp-adv-author.is-placeholder .bp-adv-avatar {\n  border-color: var(--bp-sand); background: #fff; color: var(--bp-foot); }\n.bp-adv .bp-adv-author-role {\n  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;\n  color: var(--bp-forest); line-height: 1.6; margin-block: 0; }\n.bp-adv .bp-adv-author.is-placeholder .bp-adv-author-role { color: var(--bp-foot); }\n.bp-adv .bp-adv-author-name { font-size: 17px; font-weight: 700; line-height: 1.35;\n  margin-block: 0; }\n.bp-adv .bp-adv-author-cred { font-size: var(--bp-fs-foot); color: var(--bp-foot);\n  line-height: 1.55; margin-block: 0; }\n\/* the optional wrapper must not break the two-column grid of the box *\/\n.bp-adv .bp-adv-authors > .bp-optional { display: contents; }\n.bp-adv .bp-adv-authors > .bp-optional.bp-off { display: none !important; }\n\n\/* --- placeholders: image slot, video slot ---------------------------------- *\/\n.bp-adv .bp-slot {\n  display: flex; align-items: center; justify-content: center; text-align: center;\n  min-height: 180px; padding: var(--bp-s-4); margin-block: var(--bp-s-5) 0;\n  border: 2px dashed var(--bp-olive); border-radius: var(--bp-radius-photo);\n  background: #B7CB331F; color: var(--bp-forest);\n}\n.bp-adv .bp-slot p { font-size: var(--bp-fs-small); font-weight: 700; margin-block: 0; }\n.bp-adv .bp-slot--video { min-height: 260px; }\n\n\/* --- mid-article CTA band --------------------------------------------------- *\/\n.bp-adv .bp-adv-midcta {\n  background: var(--bp-grad-lime); border: 1px solid var(--bp-lime);\n  border-radius: var(--bp-radius-card); padding: var(--bp-s-5) var(--bp-s-4);\n  margin-block: var(--bp-s-6); text-align: center;\n}\n.bp-adv .bp-adv-midcta .wp-block-buttons { margin-block-end: var(--bp-s-2); }\n.bp-adv .bp-adv-midcta .bp-adv-foot { margin-block: 0; }\n\n\/* the closing CTA is one named unit in List View, so it moves and toggles as a\n   whole. It carries no box of its own: the spacing must read exactly as it does\n   on the approved page, where the three parts are plain siblings. *\/\n.bp-adv .bp-adv-ctablock { margin-block: 0 var(--bp-s-5); }\n.bp-adv .bp-adv-ctablock .wp-block-buttons { margin-block-end: var(--bp-s-4); }\n.bp-adv .bp-adv-ctablock .bp-adv-foot { margin-block: 0; }\n\n\/* --- the condition, slot 8: the results page reference-card shape ----------- *\/\n.bp-adv .bp-adv-condition {\n  background: var(--bp-white); border: 1px solid var(--bp-sand);\n  border-left: 5px solid var(--bp-lime); border-radius: var(--bp-radius-btn);\n  padding: var(--bp-s-4) var(--bp-s-5); font-weight: 600; box-shadow: var(--bp-shadow);\n}\n\n\/* --- the numbers card: the results page focus panel, same gradient, same\n       radius, same lime figures (\"use more of that design\") ------------------ *\/\n.bp-adv .bp-adv-numcard {\n  background: linear-gradient(135deg, var(--bp-teal) 0%, var(--bp-forest) 100%);\n  border-radius: var(--bp-radius-card);\n  padding: var(--bp-s-6) var(--bp-s-5) var(--bp-s-5);\n  box-shadow: var(--bp-shadow); margin-block: var(--bp-s-5) 0;\n  position: relative; overflow: hidden;\n}\n.bp-adv .bp-adv-numcard::after {\n  content: \"\"; position: absolute; right: -70px; top: -70px; width: 240px; height: 240px;\n  border-radius: 50%; background: rgba(255,255,255,0.05); pointer-events: none;\n}\n.bp-adv .bp-adv-numcard .wp-block-columns {\n  position: relative; z-index: 1; gap: var(--bp-s-5); margin-block: 0; }\n.bp-adv .bp-adv-numcard .wp-block-column { min-width: 0; }\n.bp-adv .bp-adv-num-v { font-size: 44px; font-weight: 700; line-height: 1.12;\n  color: var(--bp-lime); text-align: center; margin-block: 0 var(--bp-s-2); }\n.bp-adv .bp-adv-num-l { font-size: var(--bp-fs-small); line-height: 1.5;\n  color: rgba(255,255,255,0.92); text-align: center; margin-block: 0; }\n.bp-adv .bp-adv-numsrc { margin-block: var(--bp-s-5) 0; }\n\n\/* --- the proof slot: a dashed card until a consented quote exists. 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Geraadpleegd op 29 september 2026.\",\"url\":\"https:\/\/medlineplus.gov\/lab-tests\/iron-tests\/\"}]},{\"@type\":\"MedicalTest\",\"@id\":\"https:\/\/bioprofile.com\/biomarkers\/ferritine\/#biomarker\",\"name\":\"Ferritine\",\"alternateName\":[\"serumferritine\",\"ferritin\"]}]}<\/script>\n\n\n\n<section class=\"wp-block-group bp-adv bp-biomarker bp-biomarker--page is-layout-flow wp-block-group-is-layout-flow\">\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity bp-adv-rule\"\/>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--hero is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-bm-crumbs wp-block-paragraph\"><a href=\"https:\/\/bioprofile.com\/es\/\">Inicio<\/a> \u203a <a href=\"https:\/\/bioprofile.com\/es\/biomarkers\/\">Biomarcadores<\/a> \u203a <span>Ferritina<\/span><\/p>\n\n\n\n<h1 class=\"wp-block-heading bp-adv-h1\">Ferritina: qu\u00e9 dice tu valor sobre tu reserva de hierro<\/h1>\n\n\n\n<p class=\"bp-adv-standfirst wp-block-paragraph\">En un estudio franc\u00e9s, 198 mujeres de 18 a 53 a\u00f1os con cansancio sin explicaci\u00f3n, sin anemia y con una ferritina por debajo de 50 \u00b5g\/l recibieron hierro o un placebo durante doce semanas. Su cansancio baj\u00f3 un 48 por ciento en el grupo del hierro y un 29 por ciento en el grupo del placebo.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"bp-adv-lede wp-block-paragraph\">En esta p\u00e1gina leer\u00e1s qu\u00e9 es la ferritina, qu\u00e9 dicen las directrices sobre un valor demasiado bajo o demasiado alto, qu\u00e9 influye en tu reserva de hierro y qu\u00e9 valores conviene mirar junto a ella.<\/p>\n\n\n\n<p class=\"bp-bm-names wp-block-paragraph\">Tambi\u00e9n: ferritina s\u00e9rica, ferritin (en ingl\u00e9s). En el laboratorio: FERR.<\/p>\n\n\n\n<p class=\"bp-adv-byline wp-block-paragraph\">Actualizado el 29 de septiembre de 2026<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<div class=\"wp-block-group bp-bm-toc is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-inhoud\">En esta p\u00e1gina<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><a href=\"#bp-in-het-kort\">En resumen<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-is-ferritine\">\u00bfQu\u00e9 es la ferritina?<\/a><\/li>\n\n\n<li><a href=\"#bp-waarom-het-ertoe-doet\">Por qu\u00e9 importa tu reserva de hierro<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-je-waarde-zegt\">Qu\u00e9 dice tu valor de ferritina<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-het-beinvloedt\">Qu\u00e9 influye en tu ferritina<\/a><\/li>\n\n\n<li><a href=\"#bp-welke-pakketten\">Qu\u00e9 paquetes de BioProfile miden la ferritina<\/a><\/li>\n\n\n<li><a href=\"#bp-waarden-die-erbij-horen\">Valores relacionados<\/a><\/li>\n\n\n<li><a href=\"#bp-hoe-gemaakt\">C\u00f3mo se ha hecho esta p\u00e1gina<\/a><\/li>\n\n\n<li><a href=\"#bp-bronnen\">Fuentes<\/a><\/li>\n\n<\/ul>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-in-het-kort\">En resumen<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>La ferritina es la prote\u00edna en la que tu cuerpo almacena el hierro. Sin inflamaci\u00f3n, la ferritina en tu sangre sigue el tama\u00f1o de tu reserva de hierro.<sup>[2]<\/sup><\/li>\n\n\n<li>Por debajo de 15 \u00b5g\/l apunta a una falta de hierro en una persona adulta por lo dem\u00e1s sana, seg\u00fan la directriz de la OMS.<sup>[2]<\/sup><\/li>\n\n\n<li>Por encima de 150 \u00b5g\/l en mujeres que menstr\u00faan, o por encima de 200 \u00b5g\/l en hombres y en mujeres que ya no menstr\u00faan, puede indicar un riesgo de acumulaci\u00f3n de hierro.<sup>[2]<\/sup><\/li>\n\n\n<li>Una inflamaci\u00f3n o una infecci\u00f3n eleva la ferritina. Por eso la ferritina se lee junto a un valor de inflamaci\u00f3n como la PCR.<sup>[2]<\/sup><\/li>\n\n<\/ul>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-wat-is-ferritine\">\u00bfQu\u00e9 es la ferritina?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tu cuerpo contiene de 3 a 4 gramos de hierro. Alrededor de una cuarta parte est\u00e1 almacenada en el h\u00edgado, el bazo y la m\u00e9dula \u00f3sea, como reserva para m\u00e1s adelante.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La ferritina es la prote\u00edna que retiene el hierro. Una peque\u00f1a parte pasa a tu sangre, y esa parte es la que mide el laboratorio. Sin inflamaci\u00f3n, la cantidad de ferritina en tu sangre va ligada a la reserva total de hierro de tu cuerpo: poca ferritina cuando hay falta, mucha cuando hay exceso.<sup>[2]<\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-waarom-het-ertoe-doet\">Por qu\u00e9 importa tu reserva de hierro<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El hierro hace falta para la hemoglobina, la parte de tus gl\u00f3bulos rojos que transporta el ox\u00edgeno por tu cuerpo. Tus c\u00e9lulas usan el hierro para producir energ\u00eda, y contribuye al funcionamiento normal de tus defensas.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Una falta se nota a menudo en cansarte r\u00e1pido, la piel p\u00e1lida, quedarte sin aliento enseguida y las piernas inquietas. Esas molestias pueden estar ah\u00ed antes de que haya anemia, la forma m\u00e1s grave de la falta de hierro.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las mujeres que menstr\u00faan, las embarazadas y las que est\u00e1n en per\u00edodo de lactancia tienen m\u00e1s probabilidades de tener una carencia. En las personas vegetarianas tambi\u00e9n conviene prestar atenci\u00f3n al hierro.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Demasiado hierro puede da\u00f1ar el h\u00edgado. En la enfermedad hereditaria hemocromatosis, presente en alrededor del 0,5 por ciento de la poblaci\u00f3n, el cuerpo acumula hierro.<sup>[3]<\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-wat-je-waarde-zegt\">Qu\u00e9 dice tu valor de ferritina<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">La directriz del laboratorio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El laboratorio con el que trabaja BioProfile aplica una directriz de 30 a 400 \u00b5g\/l. Un valor entre esos dos l\u00edmites es normal para el laboratorio. El laboratorio pide hacerse la extracci\u00f3n en ayunas para este valor.<sup>[4]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lo que dice la directriz de la OMS<\/h3>\n\n\n\n<figure class=\"wp-block-table bp-bm-table\"><table><thead><tr><th>Ferritina (\u00b5g\/l)<\/th><th>Qu\u00e9 puede significar<\/th><th>Para qui\u00e9n<\/th><\/tr><\/thead><tbody><tr><td>por debajo de 15<sup>[2]<\/sup><\/td><td>falta de hierro<\/td><td>personas adultas que por lo dem\u00e1s tienen buena salud<\/td><\/tr><tr><td>por debajo de 70<sup>[2]<\/sup><\/td><td>falta de hierro<\/td><td>personas adultas con una infecci\u00f3n o una inflamaci\u00f3n<\/td><\/tr><tr><td>por encima de 150<sup>[2]<\/sup><\/td><td>posible riesgo de acumulaci\u00f3n de hierro<\/td><td>mujeres que menstr\u00faan y por lo dem\u00e1s tienen buena salud<\/td><\/tr><tr><td>por encima de 200<sup>[2]<\/sup><\/td><td>posible riesgo de acumulaci\u00f3n de hierro<\/td><td>hombres, y mujeres que ya no menstr\u00faan, que por lo dem\u00e1s tienen buena salud<\/td><\/tr><tr><td>por encima de 500<sup>[2]<\/sup><\/td><td>posible riesgo de acumulaci\u00f3n de hierro<\/td><td>personas adultas que est\u00e1n enfermas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"bp-bm-caption wp-block-paragraph\">Fuente: OMS, directriz sobre la ferritina (2020), tabla 1 y recomendaci\u00f3n 1.3. Los l\u00edmites valen para personas adultas a partir de los 20 a\u00f1os, tambi\u00e9n despu\u00e9s de los 60.<sup>[2]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ferritina demasiado baja<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Una ferritina baja significa una reserva de hierro agotada, pero no dice c\u00f3mo de grave es la falta. Por debajo de 15 \u00b5g\/l, la OMS habla de falta de hierro en una persona adulta por lo dem\u00e1s sana. Entre 15 y 30 \u00b5g\/l, tu valor queda por debajo de la directriz del laboratorio y por encima del l\u00edmite de la OMS para una falta. En el estudio franc\u00e9s de m\u00e1s arriba, las mujeres con cansancio sin explicaci\u00f3n y una ferritina por debajo de 50 \u00b5g\/l se beneficiaron del hierro. Los investigadores escriben que los m\u00e9dicos pueden considerar el hierro en ese grupo.<sup>[2, 1]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ferritina demasiado alta<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Una ferritina alta no siempre significa demasiado hierro. La ferritina tambi\u00e9n sube con una inflamaci\u00f3n, una infecci\u00f3n, una enfermedad del h\u00edgado y la obesidad. Por eso, seg\u00fan la OMS, la ferritina por s\u00ed sola no demuestra una acumulaci\u00f3n de hierro: un valor alto pide investigar m\u00e1s a fondo la causa. En la hemocromatosis, los m\u00e9dicos miran una saturaci\u00f3n de transferrina alta junto con una ferritina alta.<sup>[2, 5]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Una sola medici\u00f3n, y qu\u00e9 laboratorio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los laboratorios miden la ferritina con m\u00e9todos distintos, y los resultados var\u00edan seg\u00fan el m\u00e9todo. Por eso, compara un valor preferiblemente con un valor anterior del mismo laboratorio.<sup>[6]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">BioProfile est\u00e1 trabajando en sus propias zonas para cada valor, de riesgo a \u00f3ptimo. Un m\u00e9dico valora esas zonas antes de que aparezcan en tu resultado.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-wat-het-beinvloedt\">Qu\u00e9 influye en tu ferritina<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Alimentaci\u00f3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El hierro est\u00e1 en tu comida como hierro hemo y como hierro no hemo. El hierro hemo solo est\u00e1 en la carne, el pescado y el pollo; tu cuerpo absorbe alrededor del 25 por ciento. El hierro no hemo est\u00e1 en el pan, los productos integrales, las legumbres, los frutos secos, las verduras verdes y el huevo; de ese tu cuerpo absorbe del 1 al 10 por ciento.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La vitamina C en la misma comida mejora la absorci\u00f3n del hierro no hemo. El fitato de los cereales y las legumbres y los polifenoles del t\u00e9 y el caf\u00e9 frenan esa absorci\u00f3n. Mirando el patr\u00f3n de alimentaci\u00f3n en su conjunto, seg\u00fan el Voedingscentrum no hace falta evitar ning\u00fan alimento por ese efecto frenador.<sup>[3]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con una alimentaci\u00f3n vegetariana, el cuerpo absorbe de media el 10 por ciento del hierro, frente a m\u00e1s del 15 por ciento con una alimentaci\u00f3n media. Las personas vegetarianas tienen a veces una reserva de hierro m\u00e1s peque\u00f1a que, seg\u00fan el Voedingscentrum, sigue siendo suficiente.<sup>[3]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u00e9rdida de sangre<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quien pierde sangre, pierde hierro. Por eso las mujeres que menstr\u00faan tienen m\u00e1s probabilidad de tener una reserva de hierro peque\u00f1a. Tu cuerpo saca por s\u00ed mismo m\u00e1s hierro de tu comida en cuanto la reserva baja.<sup>[3]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Suplementos<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En el estudio franc\u00e9s, tras doce semanas con 80 mg de hierro al d\u00eda la ferritina subi\u00f3 11,4 \u00b5g\/l m\u00e1s que con un placebo. Seg\u00fan el Voedingscentrum, comer de forma variada aporta suficiente hierro a la mayor\u00eda de las personas, y desaconseja los suplementos con hierro; quien aun as\u00ed tome uno, se queda por debajo de la cantidad diaria recomendada. Seg\u00fan el Voedingscentrum, las pastillas de hierro solo caben despu\u00e9s de consultarlo con un m\u00e9dico, y no en caso de hemocromatosis.<sup>[1, 3]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Inflamaci\u00f3n, infecci\u00f3n y enfermedad<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Una inflamaci\u00f3n, una infecci\u00f3n, una enfermedad del h\u00edgado y la obesidad elevan la ferritina, al margen de tu reserva de hierro. As\u00ed, una inflamaci\u00f3n puede esconder una falta. Por eso la OMS sit\u00faa m\u00e1s alto el l\u00edmite para una falta cuando hay inflamaci\u00f3n, en 70 \u00b5g\/l.<sup>[2]<\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-welke-pakketten\">Qu\u00e9 paquetes de BioProfile miden la ferritina<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La ferritina est\u00e1 en los cinco paquetes, desde BioProfile 31 hasta BioProfile 152. En cada paquete aparecen al lado el hierro, la transferrina, la saturaci\u00f3n de transferrina y la PCR, para que leas tu ferritina en conjunto.<sup>[7]<\/sup><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bioprofile.com\/es\/bloedonderzoek\/\">Ver los paquetes<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-waarden-die-erbij-horen\">Valores que la acompa\u00f1an<\/h2>\n\n\n\n<ul class=\"wp-block-list bp-bm-related\">\n\n<li><strong>Hemoglobina<\/strong>: transporta el ox\u00edgeno; la anemia es la forma m\u00e1s grave de la falta de hierro.<sup>[3]<\/sup><\/li>\n\n\n<li><strong>Hierro<\/strong>: la cantidad de hierro que hay en tu sangre en el momento de la extracci\u00f3n.<sup>[8]<\/sup><\/li>\n\n\n<li><strong>Transferrina<\/strong>: la prote\u00edna que transporta el hierro por tu sangre.<sup>[8]<\/sup><\/li>\n\n\n<li><strong>Saturaci\u00f3n de transferrina<\/strong>: cu\u00e1nto de ese transporte est\u00e1 ocupado; junto con la ferritina, el primer paso en la hemocromatosis.<sup>[5]<\/sup><\/li>\n\n\n<li><strong>PCR (alta sensibilidad)<\/strong>: muestra si hay una inflamaci\u00f3n que eleva tu ferritina.<sup>[2]<\/sup><\/li>\n\n<\/ul>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-hoe-gemaakt\">C\u00f3mo se ha hecho esta p\u00e1gina<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La redacci\u00f3n de BioProfile escribi\u00f3 esta p\u00e1gina el 28 de septiembre de 2026 a partir de las fuentes de abajo, que le\u00edmos el 28 de septiembre de 2026 y el 29 de septiembre de 2026. Cada cifra de esta p\u00e1gina aparece en una de esas fuentes, con el n\u00famero de esa fuente al lado. Una persona experta todav\u00eda tiene que revisar esta p\u00e1gina; despu\u00e9s de esa revisi\u00f3n, el nombre de esa persona y la fecha de la revisi\u00f3n aparecen arriba. Esta p\u00e1gina da explicaci\u00f3n y no un diagn\u00f3stico. Comenta con tu m\u00e9dico de cabecera cualquier valor alterado.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-adv-sec bp-adv-sec--disclosure is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bp-bronnen\">Fuentes<\/h2>\n\n\n\n<ol class=\"wp-block-list bp-adv-srclist bp-bm-src\">\n\n<li>Vaucher P, Druais PL, Waldvogel S, Favrat B. Effect of iron supplementation on fatigue in nonanemic menstruating women with low ferritin: a randomized controlled trial. CMAJ. 2012;184(11):1247-54. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22777991\/\" target=\"_blank\" rel=\"noopener\">https:\/\/pubmed.ncbi.nlm.nih.gov\/22777991\/<\/a><\/li>\n\n\n<li>World Health Organization. WHO guideline on use of ferritin concentrations to assess iron status in individuals and populations. Geneva: WHO; 2020. <a href=\"https:\/\/www.who.int\/publications\/i\/item\/9789240000124\" target=\"_blank\" rel=\"noopener\">https:\/\/www.who.int\/publications\/i\/item\/9789240000124<\/a><\/li>\n\n\n<li>Voedingscentrum. IJzer in voeding. Consultado el 28 de septiembre de 2026. <a href=\"https:\/\/www.voedingscentrum.nl\/encyclopedie\/ijzer.aspx\" target=\"_blank\" rel=\"noopener\">https:\/\/www.voedingscentrum.nl\/encyclopedie\/ijzer.aspx<\/a><\/li>\n\n\n<li>Labplusarts, el laboratorio con el que trabaja BioProfile: valor de referencia en la determinaci\u00f3n de ferritina (FERR), de 30 a 400 \u00b5g\/l, en ayunas. Lista del 24 de septiembre de 2026.<\/li>\n\n\n<li>European Association for the Study of the Liver. EASL Clinical Practice Guidelines on haemochromatosis. J Hepatol. 2022;77(2):479-502. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/35662478\/\" target=\"_blank\" rel=\"noopener\">https:\/\/pubmed.ncbi.nlm.nih.gov\/35662478\/<\/a><\/li>\n\n\n<li>Lemaire B, Frias MA, Golaz O, et al. Ferritin: a biomarker requiring caution in clinical decision. Diagnostics (Basel). 2024;14(4):386. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38396425\/\" target=\"_blank\" rel=\"noopener\">https:\/\/pubmed.ncbi.nlm.nih.gov\/38396425\/<\/a><\/li>\n\n\n<li>BioProfile, los paquetes del an\u00e1lisis de sangre y los valores de cada paquete. <a href=\"https:\/\/bioprofile.com\/es\/bloedonderzoek\/\" target=\"_blank\" rel=\"noopener\">https:\/\/bioprofile.com\/bloedonderzoek\/<\/a><\/li>\n\n\n<li>MedlinePlus, U.S. National Library of Medicine. Iron Tests. Consultado el 29 de septiembre de 2026. <a href=\"https:\/\/medlineplus.gov\/lab-tests\/iron-tests\/\" target=\"_blank\" rel=\"noopener\">https:\/\/medlineplus.gov\/lab-tests\/iron-tests\/<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n<\/section>\n\n","protected":false},"excerpt":{"rendered":"<p>Inicio \u203a Biomarcadores \u203a Ferritina Ferritina: qu\u00e9 dice tu valor sobre tu reserva de hierro En un estudio franc\u00e9s, 198 mujeres de 18 a 53 a\u00f1os con cansancio sin explicaci\u00f3n, sin anemia y con una ferritina por debajo de 50 \u00b5g\/l recibieron hierro o un placebo durante doce semanas. Su cansancio baj\u00f3 un 48 por [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"parent":6604,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_yoast_wpseo_title":"Valor de ferritina: \u00bfdemasiado bajo o demasiado alto? | BioProfile","_yoast_wpseo_metadesc":"Qu\u00e9 es la ferritina, qu\u00e9 dice la directriz de la OMS sobre un valor demasiado bajo o demasiado alto, qu\u00e9 influye en tu reserva de hierro y qu\u00e9 valores se leen junto a ella.","_yoast_wpseo_meta-robots-noindex":"2","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_opengraph-image-id":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_twitter-image-id":"","inline_featured_image":false,"footnotes":""},"class_list":["post-6607","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Valor de ferritina: \u00bfdemasiado bajo o demasiado alto? 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