What does calcium do in the body?

Calcium supports bone and tooth structure and is needed for muscle contraction, nerve signaling, and normal blood vessel function.

How much calcium do adults typically need per day?

Many adults aim for about 1000–1200 mg per day from food and supplements combined, depending on age and sex. Individual needs can vary.

What are good food sources of calcium?

Common sources include dairy products, calcium-set tofu, canned fish with bones, leafy greens, and calcium-fortified foods and beverages.

Should I take calcium with vitamin D?

Vitamin D helps the body absorb calcium, so adequate vitamin D status supports calcium use. Some people take them together if dietary intake or sun exposure is low.

Are there side effects or interactions with calcium supplements?

Calcium supplements can cause constipation or stomach upset in some people. Calcium can interfere with absorption of certain medicines and minerals, so spacing doses may be needed.

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Eicosapentaenoic acid (EPA)Vitamin D3 Docosahexaenoic acid (DHA)Zinc (Bisglycinate)

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Vitamin B

Vitamin B1 (Thiamine)

Vitamin B2 (Riboflavin)

Vitamin B3 (Niacin)

Vitamin B5 (Pantothenic Acid)

Vitamin B6 (Pyridoxine)

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Vitamin B9 (Folic Acid)

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Vitamin B12 (Cobalamin)

Vitamin A & Carotenoids

Vitamin C

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Trimethylglycine (Betaine)

NMN (Nicotinamide Mononucleotide)

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Choline

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Calcium

Calcium Alpha-Ketoglutarate

Magnesium

Magnesium Bisglycinate

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Trace Minerals

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Chromium Picolinate

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Calcium

Araştırma durumu güçlü·10/10

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Calcium is an essential mineral supporting bone health, muscle function, and nerve signaling; supplementation may help those at risk of dietary insufficiency.

Cardiovascular Support Essential Nutrient Bone Health

Doz aralığı

1000–1200 mg

Usually divided into 500–600 mg per dose, not exceeding 1000–1200 mg/day from supplements.

Gelir

Take with food if using calcium carbonate; calcium citrate can be taken with or without food. Prefer food sources when possible.

Yağda çözünmez.

En iyi zaman

Split higher daily doses to improve absorption and reduce gastrointestinal side effects. Take at different times from medications with which calcium interacts.

Açıklama

Calcium is the most abundant mineral in the body, vital for bone and dental health, muscle contraction, nerve transmission, and supporting vascular and hormonal functions.

Avantajlar

Kanıt derecesi ile ana etkiler

Strong

Kanıtla ilgili not

Extensive evidence supports calcium’s role in bone and tooth health, with supplementation beneficial for at-risk groups; benefits for cardiovascular or other outcomes are less clear.

Supports bone health and prevents osteoporosis

Strong

Adequate calcium intake is critical for building and maintaining strong bones, reducing osteoporosis risk, and minimizing age-related bone loss—especially in postmenopausal women and older adults.

Özellikle ilgili olduğu kişiler: older adults · postmenopausal women

S1 · NIH Office of Dietary Supplements: Calcium Fact Sheet S2 · PubMed - Meta-analysis: Calcium supplementation and bone density S3 · EFSA Journal: Scientific Opinion on Dietary Reference Values for Calcium S4 · Cochrane Review: Calcium supplementation for prevention of bone loss

Contributes to muscle function and nerve signaling

Strong

Calcium enables normal muscle contraction (including the heart) and proper nerve impulse transmission.

Özellikle ilgili olduğu kişiler: general

S1 · NIH Office of Dietary Supplements: Calcium Fact Sheet S5 · Examine.com: Calcium

May help maintain normal blood pressure and vascular health

Mixed

Adequate calcium, particularly from food, may support blood pressure regulation and vascular function; supplemental calcium’s effect on cardiovascular risk is less established and may be neutral or, in excess, adverse.

Özellikle ilgili olduğu kişiler: general

S1 · NIH Office of Dietary Supplements: Calcium Fact Sheet S7 · PubMed: Calcium and cardiovascular risk S6 · Harvard T.H. Chan School of Public Health: Calcium

Güvenlik ve Uyarılar

Önemli güvenlik bilgileri ve bilinen riskler

Sadece eğitim amaçlıdır • tıbbi tavsiye değildir

Calcium is generally safe at recommended doses, but excessive intake or certain conditions can pose risks.

Uyarılar

Constipation and mild gastrointestinal discomfort are common minor side effects at higher doses.
Prolonged excessive intake can lead to hypercalcemia, kidney stones, and may increase cardiovascular risk, especially in susceptible populations.
People with chronic kidney disease, hyperparathyroidism, hypercalcemia, or a history of kidney stones should avoid supplementation unless under physician supervision.
Avoid calcium supplements if you have hypercalcemia or significant kidney impairment, unless directed by a physician.
Avoid co-administration with certain antibiotics (e.g., tetracyclines, fluoroquinolones) or thyroid medications, as calcium may reduce absorption.
Monitor total calcium intake (diet plus supplements) to avoid exceeding 2000–2500 mg daily, which increases risk of kidney stones and hypercalcemia, especially in older adults, those with renal dysfunction, or those using high-dose vitamin D.
Use caution with calcium supplementation if you have a history of kidney stones or are at high cardiovascular risk.

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