Typical dose
1000-1300 mg daily
Oral
Oral safety: low
About this supplement
Calcium is a vital mineral that plays a crucial role in various bodily functions, including the formation and maintenance of bones and teeth, muscle contraction, nerve transmission, and blood clotting. It is essential for maintaining proper cellular function and signaling. Calcium can be found in various forms, including calcium carbonate, calcium citrate, and calcium aspartate, each with different bioavailability and absorption rates.
How much to take
- Typical amount
- 1000-1300 mg daily
- Suggested range
- 1000-1300 mg
Potential benefits
Benefits linked to this supplement form:
Things to watch for
Possible side effects linked to this form:
Health goals
Needs and goals this form may help with:
Other forms of Calcium
Compare absorption and active amounts with sibling forms:
Calcium 2-aminoethylphosphate
Calcium acetate
Calcium alpha-ketoglutarate
Calcium alpha-ketoisocaproate
Calcium Arginine alpha-ketoisocaproate
Calcium Ascorbate
Calcium Beta-Hydroxybutyrate
Calcium Bisphosphonate
Calcium borate
Calcium borogluconate
Calcium Carbonate
Calcium Caseinate
Slow-digesting milk protein; provides sustained amino acid release.
Calcium Citrate
Calcium Citrate (anhydrous)
Highly bioavailable calcium form; does not require stomach acid for absorption.
Calcium Citrate Malate
Highly absorbable calcium source; often used in fortified foods.
Calcium Citrate Tetrahydrate
Highly bioavailable calcium form; does not require stomach acid for absorption.
Calcium d-Glucarate
Calcium Folinate
Calcium Formate
Calcium fructate
Calcium Fructo-Oligosaccharides
Calcium Fructoborate
Calcium fructopyranose borate
Calcium Glycerol Gluconate
Calcium hydroxycitrate
Calcium hydroxyisopcaproate
Calcium hydroxymethylbutyrate
Calcium Iodide
Calcium leucine alpha-ketoisocaproate
Calcium Magnesium Butyrate
Calcium Magnesium Citrate
Calcium magnesium phytate
calcium Octanoate
Calcium Oligofructose
Calcium Palmitate
Calcium pangamate
Calcium Phosphate
Calcium phytate
Calcium Potassium Phosphate Citrate
Calcium pyruvate
Calcium Silicate
Calcium Stearate
Calcium sulfide
Calcium tartrate
Potassium Caseinate
Slow-digesting milk protein; often used in shakes and medical foods.
Sodium Caseinate
Slow-digesting milk protein; common in meal replacements and medical nutrition.
Technical details â–¼
Chemical ID (CAS)
7440-70-2
Physical properties
Calcium is a silvery-white, soft metal that is solid at room temperature. It is insoluble in water but soluble in acids. Calcium compounds, such as calcium carbonate, are commonly used in supplements.
How it’s made
Calcium is typically extracted from natural sources such as limestone or produced synthetically through chemical processes. It can also be derived from various calcium salts and chelates.