Supplements

Calcium in supplements · page 295

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 295 of 304

Balanced CalMag Raspberry-Lemon FlavorNatural Vitality · Powder275 mg per serving

Balanced CalMag Original (Unflavored)Natural Vitality · Powder300 mg per serving

PyruvateNOW Sports · Capsule225 mg per serving

Calcium 600 mgVitamer Laboratories · Softgel Capsule600 mg per serving

UC-II 40 mgSource Naturals · Capsule104 mg per serving

Shiitake Mushroom SupremePlanetary Herbals · Tablet or Pill139 mg per serving

Zembrin 25 mgSource Naturals · Tablet or Pill30 mg per serving

Suma 500 mgSource Naturals · Tablet or Pill53 mg per serving

Biotin 5,000 mcg Extra StrengthNatrol · Tablet or Pill66 mg per serving

Caffeine 200 mgOL Olympian Labs · Tablet or Pill34 mg per serving

LACChiro-Zyme · Capsule100 mg per serving

LACThera-Zyme · Capsule100 mg per serving

CalciumMegaFood · Tablet or Pill50 mg per serving

Blood Sugar BalanceRidgeCrest Herbals · Capsule60 mg per serving

RE-2Loomis Enzymes · Capsule45 mg per serving

5-HTP 100 mgSpring Valley · Capsule128 mg per serving

Full Spectrum Ginseng Extract 500 mgPlanetary Herbals · Tablet or Pill32 mg per serving

Potassium Citrate 99 mgNatural Factors · Tablet or Pill36 mg per serving

Melatonin 3 mgNature Made · Tablet or Pill65 mg per serving

Vitamin B12 1000 mcgNature Made · Tablet or Pill124 mg per serving

Melatonin 5 mgNature Made · Tablet or Pill80 mg per serving

Ultimate Calcium ConcentrateComplete H2O Minerals · Liquid60 mg per serving

Calcium ConcentrateComplete H2O Minerals · Liquid26 mg per serving

Melatonin 3 mgNature Made · Tablet or Pill65 mg per serving

Vitamin B12 1000 mcgNature Made · Tablet or Pill124 mg per serving

Melatonin 3 mgNature Made · Tablet or Pill65 mg per serving

Vitamin B-12 1000 mcgReliable 1 Laboratories · Tablet or Pill23 mg per serving

Pancreatin 350 mgThe Vitamin Shoppe · Tablet or Pill224 mg per serving

Alpha Lipoic Acid 100 mgThe Vitamin Shoppe · Tablet or Pill75 mg per serving

Turmeric Extract 300 mgThe Vitamin Shoppe · Capsule65 mg per serving

Alpha Lipoic Acid 100 mgThe Vitamin Shoppe · Tablet or Pill75 mg per serving

Ester-C 1000 mg With Citrus BioflavonoidsAmerican Health · Tablet or Pill110 mg per serving

Ester-C 500 mg With Citrus Bioflavoinds Timed ReleaseAmerican Health · Tablet or Pill55 mg per serving

Zygest Pancreatin EnzymeVitamin World · Unknown209 mg per serving

Calcium 1000 mg with Vitamin D3Sundown Naturals · Tablet or Pill1,000 mg per serving

Zygest Multi-EnzymeVitamin World · Tablet or Pill141 mg per serving

Calcium 600 mgVitamin World · Other (e.g. tea bag)1,200 mg per serving

Metabolic C 500 mgSource Naturals · Tablet or Pill26 mg per serving

Cider Vinegar TabletsRadiance · Tablet or Pill116 mg per serving

RNA/DNA 100 mg / 10 mgCountry Life · Tablet or Pill181 mg per serving

Calcionate SyrupRugby · Liquid115 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).