{"title":"Calcium","description":"\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003c!--en--\u003e\u003c!--en--\u003e\u003c!--en--\u003e\n\u003carticle\u003e\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003eWritten by the Plenthera team (orthomolecularly trained). Scientifically reviewed in April 2026. Last updated: April 30, 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCalcium is the most abundant mineral in your body — 99% is found in bones and teeth, 1% in blood and tissues where it is crucial for muscle function, nerve signals, and enzyme activation. For those who limit or avoid dairy, or for people over 50 whose absorption efficiency decreases, targeted calcium supplementation is a logical choice. At Plenthera, you'll find \u003ca href=\"\/en\/collections\/calcium\"\u003ecalcium\u003c\/a\u003e in the most absorbable forms: citrate, bisglycinate, hydroxyapatite, and plant-based Aquamin algae calcium. EFSA-approved for bones, teeth, and muscle function.\u003c\/p\u003e\n\u003c!--en--\u003e\u003cnav aria-label=\"Table of Contents\"\u003e\n\u003ch2\u003eTable of Contents\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003col\u003e\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#vergelijking\"\u003eWhich calcium is right for you?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#wat-is-calcium\"\u003eWhat is calcium?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#efsa-claims\"\u003eCalcium and EFSA — what is scientifically recognized?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#calcium-d3-k2-de-gouden-trio-voor-botten\"\u003eCalcium + D3 + K2 — the golden trio for bones\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#vormen\"\u003ePlenthera's calcium forms\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#hoe-gebruik\"\u003eHow to use calcium?\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#mythes\"\u003eMyths and misconceptions about calcium\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#combineren\"\u003eCombining calcium with other supplements\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently Asked Questions\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003ca href=\"#bronnen\"\u003eSources\u003c\/a\u003e\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ol\u003e\n\u003c\/nav\u003e\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"vergelijking\"\u003eWhich calcium is right for you?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003ctable\u003e\u003c!--en--\u003e\n\u003cthead\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003c!--en--\u003e\n\u003cth\u003e% Elemental Ca\u003c\/th\u003e\n\u003c!--en--\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003c!--en--\u003e\n\u003ctbody\u003e\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eCitrate\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e21%\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e50+, antacids, general\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eBisglycinate\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e~20%\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eSensitive stomach, premium\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eCarbonate\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e40%\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eHigh Ca per gram, normal stomach acid\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eHydroxyapatite (MCHA)\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e~24%\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eSpecific bone issue\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eAquamin algae calcium\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003e~32%\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eVegan, plant-based\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\n\u003ctr\u003e\u003c!--en--\u003e\n\u003ctd\u003eCombo with D3 + K2\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eVariable\u003c\/td\u003e\n\u003c!--en--\u003e\n\u003ctd\u003eComplete bone stack\u003c\/td\u003e\n\u003c!--en--\u003e\u003c\/tr\u003e\n\u003c!--en--\u003e\u003c\/tbody\u003e\n\u003c!--en--\u003e\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"wat-is-calcium\"\u003eWhat is calcium?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eCalcium (Ca) is the most abundant mineral in the human body — an adult body contains approximately 1,000-1,200 grams, of which 99% is in bones and teeth and 1% in blood and tissues. Calcium is essential for bone structure, muscle function, signal transmission between nerve cells, and enzyme activation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eThe body tightly regulates blood calcium levels — a low blood level activates parathyroid hormone, which draws calcium from bone reserves. In the short term, this prevents cramps and cardiac arrhythmia; in the long term, it can compromise bone structure. For those with low dietary calcium intake, supplementation is therefore beneficial — especially for women over 50 after menopause, vegans, and people who avoid dairy.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eThe choice of form makes a big difference in effectiveness. Calcium carbonate has the highest elemental calcium percentage (40%) but requires stomach acid for absorption — in people over 50, those taking antacids, and some vegetarians, absorption is suboptimal. Calcium citrate (21% elemental Ca) and bisglycinate (chelate) have high absorption independent of stomach acid — premium choices for most users. Hydroxyapatite (microcrystalline calcium hydroxyapatite, MCHA) is a form that may be more specifically directed to the bone matrix.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eA crucial point: calcium supplementation without vitamin D and vitamin K2 is suboptimal. D3 increases calcium absorption; K2 activates proteins that direct calcium to bones and teeth, away from soft tissues such as blood vessel walls. Supplementing only calcium in high doses (\u0026gt;1,500 mg\/day) without K2 can promote calcium deposition in blood vessels in the long term. See our \u003ca href=\"\/en\/collections\/vitamine-d\"\u003evitamin D category\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/vitamine-k\"\u003evitamin K category\u003c\/a\u003e for the complete bone stack, and our \u003ca href=\"\/en\/collections\/magnesium\"\u003emagnesium category\u003c\/a\u003e for the cofactor.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"efsa-claims\"\u003eCalcium and EFSA — what is scientifically recognized?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCalcium has an extensive set of recognized \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/health-claims\" target=\"_blank\"\u003eEFSA\u003c\/a\u003e claims, listed in EU Regulation 432\/2012:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium contributes to normal energy-yielding metabolism.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium contributes to normal muscle function.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium contributes to normal neurotransmission.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium contributes to the normal function of digestive enzymes.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium has a role in the process of cell division and specialisation.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium is needed for the maintenance of normal bones.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium is needed for the maintenance of normal teeth.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cblockquote\u003e\u003cem\u003e\u003cstrong\u003e\"Calcium contributes to normal blood clotting.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/blockquote\u003e\n\u003c!--en--\u003e\n\u003cp\u003eThreshold: claims apply to a daily intake of at least 15% RI — which is 120 mg of calcium per serving. Our products typically provide 200-500 mg per serving, well above the threshold and below the EFSA upper limit of 2,500 mg\/day.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"calcium-d3-k2-de-gouden-trio-voor-botten\"\u003eCalcium + D3 + K2 — the golden trio for bones\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eFor those seriously tackling bone issues, simply supplementing calcium is not enough. The three cofactors work as a team:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eCalcium:\u003c\/strong\u003e The building block itself. Without sufficient calcium intake (from food or supplements), the body lacks raw material for bone structure.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eVitamin D3:\u003c\/strong\u003e Increases calcium absorption from food through the intestinal wall. Without sufficient D3, even high calcium intake will be incompletely absorbed.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eVitamin K2 (MK-7):\u003c\/strong\u003e Activates osteocalcin — a protein that binds calcium to the bone matrix — and matrix-Gla-protein (MGP), which inhibits calcium deposition in blood vessel walls. For those considering high calcium doses, K2 supplementation is crucial to prevent calcium misrouting.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eMagnesium:\u003c\/strong\u003e Cofactor in vitamin D activation and in bone formation itself. A calcium-magnesium ratio of 2:1 is often recommended.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eMany premium formulas already combine these components in one product. For those using separate products: ensure all three are present in your daily protocol. Check out our \u003ca href=\"\/en\/collections\/vitamine-d\"\u003evitamin D category\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/vitamine-k\"\u003evitamin K category\u003c\/a\u003e for combined products.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"vormen\"\u003ePlenthera's calcium forms\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eCalcium Citrate\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003e21% elemental calcium. High absorption independent of stomach acid. Our first-line choice for 50+, those on antacids, and general use.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eCalcium Bisglycinate\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003eChelated form with high absorption and gentle stomach tolerance. Premium choice for sensitive stomachs.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eCalcium Carbonate\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003e40% elemental calcium — highest calcium content per gram. Lower absorption; take with meals for stomach acid. Cost-effective for those with normal stomach acid.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eHydroxyapatite (MCHA)\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003eMicrocrystalline calcium hydroxyapatite — the natural form of calcium in bones. Premium niche with research into specific bone effects.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eAquamin algae calcium (vegan)\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003ePlant-based calcium from red algae (Lithothamnion) — vegan, mineral-rich, bioavailable.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003ch3\u003eCalcium + D3 + K2 (combo formula)\u003c\/h3\u003e\n\u003c!--en--\u003e\n\u003cp\u003eThe golden trio for bone health in one product.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"hoe-gebruik\"\u003eHow to use calcium?\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eSimple basic approach to calcium:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003col\u003e\u003c!--en--\u003e\n\u003cli\u003eDetermine your needs — RI 800 mg\/day, for women 50+ often 1,000-1,200 mg\/day.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eCalculate intake from food — for those eating 2-3 dairy servings, usually 200-400 mg supplementation is sufficient.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eChoose the right form: citrate (general, 50+), bisglycinate (sensitive stomach), carbonate (cost-effective with normal stomach acid), Aquamin (vegan).\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eNo more than 500 mg per serving — absorption drops sharply above that limit.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eDivide higher doses over 2-3 times.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eCombine with \u003ca href=\"\/en\/collections\/vitamine-d\"\u003evitamin D3\u003c\/a\u003e (25-75 µg) and \u003ca href=\"\/en\/collections\/vitamine-k\"\u003evitamin K2 MK-7\u003c\/a\u003e (75-200 µg) for a complete bone stack.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eAvoid simultaneous use with iron, zinc, or thyroid medication (1-2 hours apart).\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eIn case of kidney disease or existing hypercalcemia: consult a doctor beforehand.\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"mythes\"\u003eMyths and misconceptions about calcium\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 1: \"Dairy is the only good source of calcium.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eIncorrect. Besides dairy, sardines with bones, green leafy vegetables, almonds, sesame seeds, calcium-set tofu, and fortified plant-based milk all provide well-absorbable calcium. For vegans, calcium from food and Aquamin supplements is a logical route.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 2: \"The more calcium, the stronger the bones.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eIncorrect and risky. Above 1,500 mg\/day (from all sources combined), no additional bone effect is demonstrated. High calcium intake without vitamin K2 can promote calcium deposition in blood vessels — a risk with long-term high dosing.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 3: \"Calcium carbonate is cheap and as effective as citrate.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eHalf true. Carbonate has the highest elemental calcium per gram but lower absorption — especially in the elderly and those using antacids. For people over 50, citrate or bisglycinate is generally more effective per mg ingested.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMyth 4: \"A calcium supplement is sufficient for strong bones.\"\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eNot without D3 and K2. Calcium alone doesn't build bones — the body needs D3 for absorption and K2 for routing. Magnesium is a cofactor. The trio of Calcium + D3 + K2 is the gold standard.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"combineren\"\u003eCombining calcium with other supplements\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCalcium works synergistically with other nutrients for bone and nervous system health. Popular combinations:\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cul\u003e\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/vitamine-d\"\u003eVitamin D3\u003c\/a\u003e: crucial — increases calcium absorption.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/vitamine-k\"\u003eVitamin K2 (MK-7)\u003c\/a\u003e: directs calcium to bones\/teeth.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/magnesium\"\u003eMagnesium\u003c\/a\u003e: cofactor in D-activation, calcium:magnesium ratio 2:1.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/multimineralen\"\u003eMultiminerals\u003c\/a\u003e: for broad mineral balance.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/multi-vitamines\"\u003eMultivitamin with D3 + K2\u003c\/a\u003e: complete formula for bone health.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca href=\"\/en\/collections\/collageen\"\u003eCollagen + vitamin C\u003c\/a\u003e: for connective tissue alongside bones.\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"faq\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is calcium?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eMost abundant mineral in the body — 99% in bones and teeth, 1% in blood and tissues.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhich calcium is best?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCitrate or bisglycinate for general use. Carbonate is cost-effective with normal stomach acid. Hydroxyapatite for specific bone issues. Aquamin for vegans.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between citrate and carbonate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eCitrate: 21% elemental Ca, high absorption without stomach acid. Carbonate: 40% elemental Ca, lower absorption, requires stomach acid.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eHow much calcium per day?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eRI 800 mg\/day. Women 50+ often 1,000-1,200 mg\/day. UL 2,500 mg\/day. Consider dietary intake.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to take calcium?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eNo more than 500 mg per serving. Divide higher doses. Carbonate with meals, citrate independent of meal times.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eDoes calcium help with bones?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eEFSA-approved: calcium contributes to the maintenance of normal bones. Combine with D3 + K2 for maximum effect.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need calcium besides dairy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eWith 2-3 dairy servings per day plus vegetables\/legumes, it's usually sufficient. With limited dairy intake or a vegan diet: supplementation is logical.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is hydroxyapatite?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eMicrocrystalline calcium hydroxyapatite (MCHA) — natural form of calcium in bones. Premium niche.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eVegan calcium — does it exist?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eYes. Aquamin from red algae (Lithothamnion) is completely plant-based and well-absorbed.\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cstrong\u003eCan calcium be combined with vitamin D + K2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\n\u003cp\u003eHighly recommended — golden trio for bone health. D3 increases absorption, K2 directs to bones\/teeth.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003csection\u003e\n\u003ch2 id=\"bronnen\"\u003eSources\u003c\/h2\u003e\n\u003c!--en--\u003e\n\u003cul\u003e\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/health-claims\" target=\"_blank\"\u003eEFSA Regulation (EU) 432\/2012\u003c\/a\u003e — calcium claims.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/food-supplements\" target=\"_blank\"\u003eEFSA NDA Panel\u003c\/a\u003e — Tolerable Upper Intake Level for calcium (2012).\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003e\u003c!--en--\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.rivm.nl\/voeding\/aanvullend-onderzoek-microvoedingsstoffen\" target=\"_blank\"\u003eGezondheidsraad NL\u003c\/a\u003e — Dietary reference values for calcium.\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eStraub DA., \"Calcium supplementation in clinical practice: a review of forms, doses, and indications\", Nutr Clin Pract (2007).\u003c\/li\u003e\n\u003c!--en--\u003e\n\u003cli\u003eReid IR. \u0026amp; Bolland MJ., \"Calcium and cardiovascular disease\", Endocrinol Metab Clin North Am (2017).\u003c\/li\u003e\n\u003c!--en--\u003e\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!--en--\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e This text is intended for informational purposes only and does not replace medical advice. Calcium is a dietary supplement, not a medicine. If in doubt or if taking medication, we recommend consulting a doctor or orthomolecular therapist first.\u003c\/em\u003e\u003c\/p\u003e\n\u003c!--en--\u003e\u003c\/article\u003e","products":[{"product_id":"vitals-botformule-pro-60-tabs","title":"Bone and Dental Formula Pro – Calcium, Magnesium, D3, K2 \u0026 Silicon – 60 Tablets","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eVitals Bone and Tooth Formula Pro combines five classic bone nutrients in one tablet: calcium, magnesium, vitamin D3, vitamin K2, and silicon — the minerals in Albion® Minerals' amino acid-chelated TRAACS® form, vitamin K2 in Balchem's encapsulated K2VITAL™ DELTA form, and silicon as Eytelia's MESOPOROSIL®. Vegan, 60 tablets. Calcium, magnesium, vitamin D, and vitamin K contribute to the maintenance of normal bones.\u003c\/span\u003e\u003c\/p\u003e","brand":"Vitals","offers":[{"title":"Default Title","offer_id":56769567785305,"sku":"V4508","price":24.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/files\/V4508-Bot-en-Tandformule-Pro-60x165mm.png?v=1777629070"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6127\/3177\/collections\/vitals-elke-dag-90-tabletten-3.jpg?v=1776086768","url":"https:\/\/www.plenthera.com\/en\/collections\/calcium.oembed","provider":"Plenthera","version":"1.0","type":"link"}