United States
Data
Supplements

Calcium in supplements · page 303

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.

AgeMenWomenPregnancyBreastfeeding
0-6 months1,000 mg1,000 mg——
7-12 months1,500 mg1,500 mg——
1–3 years2,500 mg2,500 mg——
4–8 years2,500 mg2,500 mg——
9–13 years3,000 mg3,000 mg——
14–18 years3,000 mg3,000 mg3,000 mg3,000 mg
19–50 years2,500 mg2,500 mg2,500 mg2,500 mg
51–70 years2,000 mg2,000 mg——
71+ years2,000 mg2,000 mg——

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

Supplements with Calcium

14,548 shown · page 303 of 304

A
Amino Acid Complex With CalciumSundown Naturals · Tablet or Pill178 mg per serving
C
Concentrated Soy IsoflavonesSundown Naturals · Tablet or Pill150 mg per serving
C
Concentrated Soy IsoflavonesSundown Naturals · Tablet or Pill150 mg per serving
V
Vitamin B1 100 mgBronson Laboratories · Tablet or Pill27 mg per serving
P
Pantothenic Acid 100 mgBronson Laboratories · Tablet or Pill69 mg per serving
P
Pantothenic Acid 500 mgBronson · Tablet or Pill97 mg per serving
C
Chromium 100 mcg (GTF Complex)Bronson · Tablet or Pill59 mg per serving
E
Eleuthero RootBronson · Capsule68 mg per serving
P
PycnogenolBronson Laboratories · Tablet or Pill54 mg per serving
C
Calcium Citrate Calcium + Soy21st Century · Tablet or Pill500 mg per serving
C
Carb Control21st Century · Tablet or Pill720 mg per serving
R
Red Yeast RiceWhole Foods · Tablet or Pill275 mg per serving
S
Soy Isoflavones 40 mgSpring Valley · Tablet or Pill122 mg per serving
P
PancreatinCountry Life · Tablet or Pill663 mg per serving
C
Calcium Citrate 300 mgThe Vitamin Shoppe · Tablet or Pill300 mg per serving
C
Calcium Citrate 200 mgCVS Pharmacy · Tablet or Pill1,000 mg per serving
M
Myricetin 100 mgSource Naturals · Tablet or Pill98 mg per serving
S
Super Guarana 1200 mgVitamin World · Other (e.g. tea bag)242 mg per serving
H
High Potency Vitamin B12 1500 mcgRadiance Select · Tablet or Pill160 mg per serving
S
Shark Cartilage 740 mgNature's Bounty · Capsule136 mg per serving
6
600 Calcium Supplement21st Century · Tablet or Pill600 mg per serving
C
Calcium Citrate MalateNutraBio · Powder1,000 mg per serving
C
Calcium Citrate Malate 400 MilligramsNutraBio · Capsule400 mg per serving
C
Calcium PyruvateBodyTech · Capsule110 mg per serving
C
Calcium Citrate Complex 250 mgThe Vitamin Shoppe · Capsule250 mg per serving
H
High Potency Calcium 600Nature's Bounty · Tablet or Pill1,200 mg per serving
C
Calcium 600 mgWell at Walgreens · Tablet or Pill600 mg per serving
C
Calcium Lactate 10 Grams (648 mg)Rugby · Tablet or Pill252 mg per serving
O
Oyster Shell Calcium 500 mgWindmill · Tablet or Pill1,000 mg per serving
O
Oyster Shell Calcium 500 mgEqualine · Tablet or Pill500 mg per serving
O
Oyster Shell Calcium 500 mgEqualine · Tablet or Pill500 mg per serving
C
CalciumEqualine · Tablet or Pill600 mg per serving
C
Calcium ComplexBronson · Tablet or Pill375 mg per serving
C
Calcium CitrateDouglas Laboratories · Tablet or Pill250 mg per serving
C
Calcium CMBBronson · Tablet or Pill200 mg per serving
C
Calcium ChelazomeDouglas Laboratories · Capsule100 mg per serving
C
Citracal KosherBayer Citacal · Tablet or Pill400 mg per serving
C
Cal-Tea CDouglas Laboratories · Liquid250 mg per serving
C
Calcium LactateDouglas Laboratories · Capsule200 mg per serving
C
Calcigard 250Douglas Laboratories · Tablet or Pill250 mg per serving
C
Calcium 50021st Century · Tablet or Pill1,000 mg per serving
C
Calcium 50021st Century · Tablet or Pill1,000 mg per serving
O
Oyster Shell Calcium 50021st Century · Tablet or Pill1,000 mg per serving
C
Calcium 60021st Century · Other (e.g. tea bag)1,200 mg per serving
C
Calcium 60021st Century · Other (e.g. tea bag)1,200 mg per serving
H
Highly Absorbable Calcium Citrate21st Century · Other (e.g. tea bag)400 mg per serving
C
Calcium 600 mgVitamin World · Unknown1,200 mg per serving
C
Calcium CitrateVitamin World · Other (e.g. tea bag)1,000 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).