Beta
Other calcium supplements
supplement Under reviewOther calcium supplements is a broad category that includes less commonly used or alternative forms of calcium beyond the standard carbonate and citrate salts. Examples often grouped in this category are calcium citrate malate, calcium phosphate, calcium lactate, calcium gluconate, and blended formulations designed to improve tolerability, absorption, or specific clinical goals. These supplements provide elemental calcium, an essential mineral involved in bone mineralization, neuromuscular signaling, vascular contraction and dilation, and intracellular signaling. Mechanistically, all calcium supplements work by supplying ionic calcium to the gastrointestinal tract, where it is absorbed and contributes to circulating calcium levels and the maintenance of skeletal stores. Different salts vary in elemental calcium content, solubility, and dependence on gastric acidity for absorption. More soluble forms such as calcium citrate malate tend to be less reliant on stomach acid and may be better absorbed in individuals with hypochlorhydria or those taking acid-suppressing medications. In practice, “other calcium supplements” are mainly used in bone health regimens (often with vitamin D) and occasionally to correct dietary insufficiency in individuals who cannot tolerate carbonate or citrate. From a general health perspective, other calcium supplements are primarily considered for bone density maintenance, reduction of bone turnover markers, and fracture risk management in populations at risk of low calcium intake. They are not typically used to treat disease directly but to help meet recommended daily intakes when diet alone is insufficient. Their use must be balanced against total calcium intake from food to avoid excess, which has been associated with kidney stone risk and possibly cardiovascular concerns when long-term serum calcium levels are chronically elevated.
Research summary
Human research on other calcium supplements focuses mainly on bone health outcomes such as bone mineral density, bone mineral content, and biochemical markers of bone turnover in healthy or community-dwelling adults. Randomized controlled trials and meta-analyses indicate that calcium supplementation, including non-carbonate and non-citrate forms, can produce small increases in bone density and modest reductions in bone resorption, particularly in individuals with low baseline calcium intake. However, these effects are generally not large enough to translate into meaningful fracture reduction in healthy community-dwelling adults, and current evidence does not support routine calcium supplementation solely for fracture prevention in this population. Safety data from large randomized trials and meta-analyses suggest that calcium supplements, when total intake remains within recommended upper limits, do not clearly increase the risk of major cardiovascular events in generally healthy individuals, though they may raise the risk of renal calculi and cause gastrointestinal side effects such as constipation and bloating. Recent genetic (Mendelian randomization) analyses and broad evidence reviews further indicate that increasing serum calcium in non-deficient people provides limited systemic health benefit and may be associated with higher risks of certain conditions at chronically elevated levels. Overall, the research consensus favors targeted use of calcium supplementation, including other forms, for individuals with documented low intake or specific risk factors, preferably in combination with vitamin D, rather than universal supplementation for all healthy adults.
Reported Benefits
No reports yet
Be the first to report this effect and help the community.
Add Other calcium supplements to your stack to report effects
A controlled trial of the effect of calcium supplementation on bone density in postmenopausal women
Recker RR, Hinders S, Davies KM, Heaney RP, Stegman MR, Lappe JM
Comparison of the effects of calcium loading with calcium citrate or calcium carbonate on bone resorption in healthy postmenopausal women
Sakhaee K, Bhuket T, Adams-Huet B, Pak CYC
The effect of calcium supplementation in people under 35 years: A systematic review and meta-analysis
Yunis M, Sun Z, Zhang Y, et al.
Efficacy, safety, and dose-response effects of calcifediol supplementation on 25-hydroxyvitamin D, parathyroid hormone, and 1,25-dihydroxyvitamin D levels in healthy adults: An open-label, interventional pilot study.
Reid IR
Reported Side Effects
No reports yet
Be the first to report this effect and help the community.
Add Other calcium supplements to your stack to report effects
Efficacy, safety, and dose-response effects of calcifediol supplementation on 25-hydroxyvitamin D, parathyroid hormone, and 1,25-dihydroxyvitamin D levels in healthy adults: An open-label, interventional pilot study.
Reid IR
Health effects of calcium: evidence from Mendelian randomization studies
Kauppinen T, Magnusson PK, et al.
No reports yet
Be the first to report this effect and help the community.
Add Other calcium supplements to your stack to report effects
Efficacy, safety, and dose-response effects of calcifediol supplementation on 25-hydroxyvitamin D, parathyroid hormone, and 1,25-dihydroxyvitamin D levels in healthy adults: An open-label, interventional pilot study.
Reid IR
Research (5 studies)
The effect of calcium supplementation in people under 35 years: A systematic review and meta-analysis
Yunis M, Sun Z, Zhang Y, et al.
Efficacy, safety, and dose-response effects of calcifediol supplementation on 25-hydroxyvitamin D, parathyroid hormone, and 1,25-dihydroxyvitamin D levels in healthy adults: An open-label, interventional pilot study.
Reid IR
Health effects of calcium: evidence from Mendelian randomization studies
Kauppinen T, Magnusson PK, et al.
Comparison of the effects of calcium loading with calcium citrate or calcium carbonate on bone resorption in healthy postmenopausal women
Sakhaee K, Bhuket T, Adams-Huet B, Pak CYC
A controlled trial of the effect of calcium supplementation on bone density in postmenopausal women
Recker RR, Hinders S, Davies KM, Heaney RP, Stegman MR, Lappe JM
Community updates
No updates yet for this supplement.
Be the first to share your experience!