Supplements

Calcium in supplements · page 285

14,548 supplements on the U.S. market list Calcium with an amount per serving. The official Tolerable Upper Intake Level for adults is 2,500 mg a day.

Tolerable Upper Intake Level (UL)

The highest daily amount that is unlikely to cause harm for almost all healthy people, from food, drinks and supplements combined.

Age	Men	Women	Pregnancy	Breastfeeding
0-6 months	1,000 mg	1,000 mg	—	—
7-12 months	1,500 mg	1,500 mg	—	—
1–3 years	2,500 mg	2,500 mg	—	—
4–8 years	2,500 mg	2,500 mg	—	—
9–13 years	3,000 mg	3,000 mg	—	—
14–18 years	3,000 mg	3,000 mg	3,000 mg	3,000 mg
19–50 years	2,500 mg	2,500 mg	2,500 mg	2,500 mg
51–70 years	2,000 mg	2,000 mg	—	—
71+ years	2,000 mg	2,000 mg	—	—

Source: NIH ODS Calcium Fact Sheet for Health Professionals, Table 3 (updated 2026-06-22).

Supplements with Calcium

14,548 shown · page 285 of 304

Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mgSource Naturals · Tablet or Pill29 mg per serving

Ginger Warming Compound 530 mgPlanetary Herbals · Tablet or Pill95 mg per serving

Ginger Warming CompoundPlanetary Herbals · Tablet or Pill95 mg per serving

Full Spectrum St. John's Wort Extract 600 mgPlanetary Herbals · Tablet or Pill32 mg per serving

Full Spectrum Valerian Extract 650 mgPlanetary Herbals · Tablet or Pill47 mg per serving

CalciumBerkley Jensen · Tablet or Pill600 mg per serving

B-6 500 mgSource Naturals · Tablet or Pill20 mg per serving

Ferrous SulfateReliable 1 Laboratories · Tablet or Pill20 mg per serving

Diet PyruvateSource Naturals · Capsule120 mg per serving

Diet PyruvateSource Naturals · Capsule360 mg per serving

Diet Pyruvate 750 mgSource Naturals · Capsule360 mg per serving

Calcium 600 mg + Vitamin D3Mason Natural · Tablet or Pill600 mg per serving

Calcium Citrate Plus Vitamin D3Mason Natural · Other (e.g. tea bag)315 mg per serving

Seleno-6 50 mcgSolgar · Tablet or Pill85 mg per serving

Seleno-6 200 mcgSolgar · Tablet or Pill75 mg per serving

Calcium Citrate with Vitamin DMajor · Other (e.g. tea bag)315 mg per serving

Timed Release Niacin 500 mgMajor · Tablet or Pill28 mg per serving

Oyster Shell Calcium with Vitamin D 500 mg + DMajor · Tablet or Pill500 mg per serving

Vitamin D 25 mcgMajor · Tablet or Pill25 mg per serving

Vitamin D 50 mcgMajor · Tablet or Pill25 mg per serving

Calcium 600 mg + D with 10 mcg of Vitamin DMajor · Tablet or Pill600 mg per serving

Vitamin D 25 mcgMajor · Tablet or Pill25 mg per serving

Mild-C 500 mgCarlson · Capsule57 mg per serving

Mild C 500 mgCarlson · Capsule57 mg per serving

Mild-C 1,600 mgCarlson · Powder180 mg per serving

Calcium Citrate with Vitamin D3Solgar · Tablet or Pill1,000 mg per serving

Calcium Magnesium CitrateSolgar · Tablet or Pill1,000 mg per serving

Niacin 100 mgRugby · Tablet or Pill35 mg per serving

Vitamin D 25 mcgRugby · Tablet or Pill25 mg per serving

Buffered Vitamin CDr. Clark Research Association Dr. Clark Zentrum · Capsule115 mg per serving

CalcimateGNC · Other (e.g. tea bag)1,000 mg per serving

Calcium 600 mgGNC · Other (e.g. tea bag)600 mg per serving

Vitamin D-3 50 mcg (2000 IU)GNC · Tablet or Pill76 mg per serving

Selenium 200 mcgGNC · Other (e.g. tea bag)35 mg per serving

Selenium 100 mcgGNC · Tablet or Pill23 mg per serving

Calcium & MagnesiumHigher Nature · Tablet or Pill120 mg per serving

Calcium Citrate with D3Nova Nutritions · Tablet or Pill700 mg per serving

Non-Acid C-500Windmill Natural Vitamins · Tablet or Pill50 mg per serving

IntraCalGlobal Healing Center · Capsule90 mg per serving

Vitamin C-250Windmill Natural Vitamins · Tablet or Pill25 mg per serving

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).