{"id":8703,"date":"2026-10-05T16:42:00","date_gmt":"2026-10-05T16:42:00","guid":{"rendered":"https:\/\/bioprofile.com\/?page_id=8703"},"modified":"2026-10-06T12:56:44","modified_gmt":"2026-10-06T12:56:44","slug":"mercury","status":"publish","type":"page","link":"https:\/\/bioprofile.com\/en\/biomarkers\/mercury\/","title":{"rendered":"Mercury"},"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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Core wraps the link in .wp-block-button,\n     which is shrink-to-fit, so widening only the link leaves it content-sized. *\/\n  .bp-adv .wp-block-button { width: 100%; }\n  .bp-adv .wp-block-button__link { padding: 15px 24px; width: 100%; }\n  .bp-adv .bp-adv-numcard .wp-block-columns { gap: var(--bp-s-4); }\n}\n@media (prefers-reduced-motion: reduce) { .bp-adv * { transition-duration: 0ms; } }\n\n\/* --- the author portrait -----------------------------------------------------\n   Two shapes, because there are two ways a portrait reaches the box.\n   1. `bp-adv-avatar--photo` turns the dashed FOTO circle into a photo frame when\n      an editor drops an inline image into the placeholder paragraph.\n   2. `bp-adv-avatar-img` is the shipped path: a REAL core\/image block, so the\n      picture is click-editable and \"Vervangen\" works. The grid-row span is the\n      load-bearing line. 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Lijst van 24 september 2026.\"},{\"@type\":\"CreativeWork\",\"name\":\"BioProfile, de pakketten van het bloedonderzoek en de waarden in elk pakket.\",\"url\":\"https:\/\/bioprofile.com\/bloedonderzoek\/\"}]},{\"@type\":\"MedicalTest\",\"@id\":\"https:\/\/bioprofile.com\/biomarkers\/kwik\/#biomarker\",\"name\":\"Kwik\",\"alternateName\":[\"Mercury\"]}]}<\/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\/en\/\">Home<\/a> \u203a <a href=\"https:\/\/bioprofile.com\/en\/biomarkers\/\">Biomarkers<\/a> \u203a <span>Mercury<\/span><\/p>\n\n\n\n<h1 class=\"wp-block-heading bp-adv-h1\">Mercury: what your level tells you<\/h1>\n\n\n\n<p class=\"bp-adv-standfirst wp-block-paragraph\">Some groups mainly eat fish they catch themselves. There, an estimated 1.5 to 17 in every 1,000 children had effects on their thinking and learning. These came from eating fish containing mercury.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"bp-adv-lede wp-block-paragraph\">On this page you can read what mercury is, what the guidelines say about a level that is too low or too high, what affects your level and which values are best to look at alongside it.<\/p>\n\n\n\n<p class=\"bp-bm-names wp-block-paragraph\">Also known as: Hg, mercury level. At the lab: HGE.<\/p>\n\n\n\n<p class=\"bp-adv-byline wp-block-paragraph\">Updated on 5 October 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\">On this page<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><a href=\"#bp-in-het-kort\">In short<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-is-kwik\">What is mercury?<\/a><\/li>\n\n\n<li><a href=\"#bp-waarom-het-ertoe-doet\">Why mercury matters<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-je-waarde-zegt\">What your mercury level tells you<\/a><\/li>\n\n\n<li><a href=\"#bp-wat-het-beinvloedt\">What affects your mercury<\/a><\/li>\n\n\n<li><a href=\"#bp-welke-pakketten\">Which BioProfile packages measure mercury<\/a><\/li>\n\n\n<li><a href=\"#bp-waarden-die-erbij-horen\">Related values<\/a><\/li>\n\n\n<li><a href=\"#bp-hoe-gemaakt\">How this page was made<\/a><\/li>\n\n\n<li><a href=\"#bp-bronnen\">Sources<\/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\">In short<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Mercury is a metal found naturally in air, water and soil.<sup>[1]<\/sup><\/li>\n\n\n<li>Everyone takes in some mercury, mainly through fish and shellfish.<sup>[1]<\/sup><\/li>\n\n\n<li>A level that is too high can point to more exposure to mercury, for example through food or work.<sup>[2]<\/sup><\/li>\n\n\n<li>A doctor looks at your result together with your symptoms and with what you may have been exposed to.<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-kwik\">What is mercury?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury occurs naturally in the earth's crust. It is released by volcanoes and by the weathering of rock. Yet most mercury is released by people: through burning coal, industry, waste incineration and mining.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury comes in different forms. There is metallic mercury, inorganic mercury and organic mercury, such as methylmercury and ethylmercury. Each form is harmful in its own way.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury is one of the heavy metals. These are found almost everywhere. That is why it is normal to have some of them in your body.<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\">Why mercury matters<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Even small amounts of mercury can cause serious health problems. Mercury can be harmful to your nervous system, your digestion and your immune system. It can also affect your lungs, kidneys, skin and eyes.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The WHO counts mercury among the ten chemicals of greatest concern for public health.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury is mainly a danger to a child still growing in the womb and to a young child. Methylmercury that reaches an unborn child is dangerous to that child.<sup>[1]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Too many heavy metals can cause symptoms. Think of nausea, vomiting, abdominal pain, diarrhoea, tingling in your hands and feet, shortness of breath, chills and muscle weakness. Memory loss, a change in behaviour or a problem with the pace or rhythm of your heartbeat are also possible.<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-wat-je-waarde-zegt\">What your mercury level tells you<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">The lab's reference range<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The lab (Labplusarts) uses a reference value of 0 to 10 nmol\/l for mercury. The lab calls a value within these limits normal.<sup>[3]<\/sup><\/p>\n\n\n\n<figure class=\"wp-block-table bp-bm-table\"><table><thead><tr><th>Value<\/th><th>What it can mean<\/th><th>Who it is for<\/th><\/tr><\/thead><tbody><tr><td>0 to 10 nmol\/l<sup>[3]<\/sup><\/td><td>The lab calls this normal<\/td><td>The lab does not name a separate group<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"bp-bm-caption wp-block-paragraph\">Source: Labplusarts, reference value for mercury (HGE), list of 24 September 2026.<sup>[3]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mercury too high<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A mercury level that is too high can point to more exposure to mercury, for example through fish, through your work or through certain medicines. Too many heavy metals in your body can be life threatening. A doctor always assesses your result together with your symptoms and with what you may have been exposed to.<sup>[2]<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">BioProfile is working on its own zones for each value, from risk to optimal. A doctor reviews those zones before they appear in your result.<\/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\">What affects your mercury<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Fish and shellfish<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You mainly take in mercury as methylmercury, through fish and shellfish. Large predatory fish more often contain a lot of mercury, because they eat many smaller fish.<sup>[1, 2]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Your work<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You can breathe in mercury vapour during industrial processes. Have you worked for years in air with 20 \u03bcg\/m3 of metallic mercury or more? Then mild signs of effects on the nervous system can appear. If you work with heavy metals, your employer may ask you to have a test regularly.<sup>[1, 2]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Products containing mercury<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury is found in batteries, thermometers, switches, some lamps, amalgam dental fillings, skin lightening products and other cosmetics. Skin lightening products containing mercury are banned in many countries. You can also absorb mercury through your skin, for example from certain imported medicines that contain a lot of mercury.<sup>[1, 2]<\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vaccines<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Some vaccines contain a very small amount of ethylmercury as a preservative. Your body breaks ethylmercury down quickly and it does not build up. According to the WHO, there is no evidence that this amount poses a health risk.<sup>[1]<\/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\">Which BioProfile packages measure mercury<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mercury is included in BioProfile 150. Mercury is also included in the separate BioProfile Heavy metals test.<sup>[4]<\/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\/en\/blood-testing\/#los-te-bestellen\">View BioProfile Heavy metals<\/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\">Values that go with it<\/h2>\n\n\n\n<ul class=\"wp-block-list bp-bm-related\">\n\n<li><a href=\"https:\/\/bioprofile.com\/en\/biomarkers\/lead\/\">Lead<\/a>: like mercury, one of the heavy metals tested most often.<sup>[2]<\/sup><\/li>\n\n\n<li><a href=\"https:\/\/bioprofile.com\/en\/biomarkers\/aluminium\/\">Aluminium<\/a>: another metal that can be included in a heavy metals test.<sup>[2]<\/sup><\/li>\n\n\n<li><a href=\"https:\/\/bioprofile.com\/en\/biomarkers\/cadmium-urine\/\">Cadmium, urine<\/a>: a heavy metal that is often tested in urine, the most commonly used sample besides blood.<sup>[2]<\/sup><\/li>\n\n\n<li><a href=\"https:\/\/bioprofile.com\/en\/biomarkers\/arsenic-urine\/\">Arsenic, urine<\/a>: a heavy metal you can be tested for after possible exposure, just like mercury, even if you have no symptoms.<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\">How this page was made<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The BioProfile editorial team wrote this page on 5 October 2026 from the sources below, which we read on 5 October 2026. Every number on this page appears in one of those sources, with that source's number next to it. An expert has yet to review this page; once that review is done, the expert's name and the date of the review will appear at the top. This page explains and does not diagnose. Discuss a value outside the normal range with your GP.<\/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\">Sources<\/h2>\n\n\n\n<ol class=\"wp-block-list bp-adv-srclist bp-bm-src\">\n\n<li>World Health Organization (WHO). Mercury. Accessed on 5 October 2026. <a href=\"https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/mercury-and-health\" target=\"_blank\" rel=\"noopener\">https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/mercury-and-health<\/a><\/li>\n\n\n<li>MedlinePlus, U.S. National Library of Medicine. Heavy Metal Testing. Accessed on 5 October 2026. <a href=\"https:\/\/medlineplus.gov\/lab-tests\/heavy-metal-testing\/\" target=\"_blank\" rel=\"noopener\">https:\/\/medlineplus.gov\/lab-tests\/heavy-metal-testing\/<\/a><\/li>\n\n\n<li>Labplusarts, the laboratory BioProfile works with: reference value for the mercury (HGE) test, 0 to 10 nmol\/l. List of 24 September 2026.<\/li>\n\n\n<li>BioProfile, the blood test packages and the values in each package. <a href=\"https:\/\/bioprofile.com\/en\/blood-testing\/\" target=\"_blank\" rel=\"noopener\">https:\/\/bioprofile.com\/en\/blood-testing\/<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n<\/section>\n\n","protected":false},"excerpt":{"rendered":"<p>Home \u203a Biomarkers \u203a Mercury Mercury: what your level tells you Some groups mainly eat fish they catch themselves. There, an estimated 1.5 to 17 in every 1,000 children had effects on their thinking and learning. These came from eating fish containing mercury.[1] On this page you can read what mercury is, what the guidelines [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"parent":6592,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_yoast_wpseo_title":"Mercury (HGE): what your level tells you | BioProfile","_yoast_wpseo_metadesc":"What is mercury, where does it come from and what can a level that is too high mean? 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