Supplements

Calcium in supplements · page 258

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 258 of 304

EstroBalanceNature's Way · Tablet or Pill340 mg per serving

AMLife Extension · Tablet or Pill60 mg per serving

Dopa-MindLife Extension · Tablet or Pill100 mg per serving

Vanadyl Sulfate 7.5 mgLife Extension · Tablet or Pill34 mg per serving

Performance Amino-GHQuantum Nutrition Labs · Capsule50 mg per serving

Indole PlusAdaptogen Research · Capsule35 mg per serving

5-HTP 100 mg Time ReleaseNatrol · Tablet or Pill32 mg per serving

5-HTP 200 mg Time ReleaseNatrol · Tablet or Pill55 mg per serving

Alpha Lipoic Acid 600 mg Time ReleaseNatrol · Tablet or Pill100 mg per serving

Biotin 10,000 mcgNatrol · Tablet or Pill66 mg per serving

Biotin 1,000 mcgNatrol · Tablet or Pill66 mg per serving

DHEA 25 mgNatrol · Tablet or Pill50 mg per serving

DHEA 50 mgNatrol · Tablet or Pill60 mg per serving

Triple Strength BromelainCountry Life · Tablet or Pill141 mg per serving

High Caffeine 200 mgNatrol · Tablet or Pill75 mg per serving

DHEA 25 mgNatrol · Tablet or Pill50 mg per serving

Garlic 600 mgWindmill · Tablet or Pill170 mg per serving

Biotin 10,000 mcgWindmill · Tablet or Pill25 mg per serving

Biotin 1,000 mcgWindmill · Tablet or Pill70 mg per serving

Biotin 5,000 mcgWindmill · Tablet or Pill30 mg per serving

Cinnamon 500 mgWindmill · Other (e.g. tea bag)110 mg per serving

Co-Q10 100 mgWindmill · Capsule70 mg per serving

Co-Q10 200 mgWindmill · Capsule65 mg per serving

DHEA 50 mgWindmill · Tablet or Pill40 mg per serving

Melatonin 3 mgWindmill · Tablet or Pill70 mg per serving

Milk Thistle 560 mgWindmill · Other (e.g. tea bag)80 mg per serving

Red Yeast Rice 600 mgWindmill · Tablet or Pill300 mg per serving

Timed Release Melatonin 10 mgWindmill · Tablet or Pill60 mg per serving

Grapefruit Seed Extract 125 mgThe Vitamin Shoppe · Tablet or Pill36 mg per serving

Oxy-CapsEarth's Bounty · Capsule140 mg per serving

Stomach ComfortNature's Sunshine · Tablet or Pill550 mg per serving

Pantothenic Acid 500 mgNOW · Capsule45 mg per serving

Soy-Free Phosphatidyl Serine 150 mgNOW · Tablet or Pill50 mg per serving

Daily Bladder ComfortMason Natural · Capsule15 mg per serving

Garcinia ExtractParadise · Capsule80 mg per serving

Pantothenic AcidNature's Way · Capsule46 mg per serving

Alpha Lipoic Acid 300 mgCarlson · Tablet or Pill39 mg per serving

Chelated Chromium 200 mcgCarlson · Tablet or Pill26 mg per serving

L-Carnitine 500 mgSwanson · Tablet or Pill190 mg per serving

Pantothenic Acid 250 mgSolaray · Capsule25 mg per serving

Ease PlusHealth Concerns · Capsule292 mg per serving

Calcium & MagnesiumNatural Factors · Tablet or Pill350 mg per serving

Super AntioxidantsBronson Laboratories · Tablet or Pill65 mg per serving

Calcium CitrateOL Olympian Labs · Tablet or Pill1.0 g 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).