United States
Data
Supplements

Calcium in supplements · page 239

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 239 of 304

Melatonin Advanced 10 mg Time Release, Natrol
Melatonin Advanced 10 mg Time ReleaseNatrol · Tablet or Pill23 mg per serving
Melatonin Advanced 10 mg Time Release, Natrol
Melatonin Advanced 10 mg Time ReleaseNatrol · Tablet or Pill23 mg per serving
Melatonin 3 mg, Natrol
Melatonin 3 mgNatrol · Tablet or Pill63 mg per serving
Melatonin 5 mg, Natrol
Melatonin 5 mgNatrol · Tablet or Pill60 mg per serving
Calcium Magnesium Potassium, Bluebonnet
Calcium Magnesium PotassiumBluebonnet · Other (e.g. tea bag)1,000 mg per serving
Calcium Orotate, SuperSmart
Calcium OrotateSuperSmart · Capsule1,350 mg per serving
Calcium & Magnesium Mineral Complex 750 mg, Nature's Way
Calcium & Magnesium Mineral Complex 750 mgNature's Way · Capsule500 mg per serving
Melatonin 1 mg, Natrol
Melatonin 1 mgNatrol · Tablet or Pill28 mg per serving
Melatonin Advanced 10 mg Time Release, Natrol
Melatonin Advanced 10 mg Time ReleaseNatrol · Tablet or Pill23 mg per serving
Amino Support, Kirkman
Amino SupportKirkman · Capsule52 mg per serving
Alpha Ketoglutaric Acid 300 mg, Kirkman
Alpha Ketoglutaric Acid 300 mgKirkman · Capsule27 mg per serving
CD-Herbal, Kirkman
CD-HerbalKirkman · Capsule44 mg per serving
Buffered Vitamin C 500 mg, Country Life
Buffered Vitamin C 500 mgCountry Life · Tablet or Pill100 mg per serving
Advanced Melatonin 10 mg Time Release, Natrol
Advanced Melatonin 10 mg Time ReleaseNatrol · Tablet or Pill23 mg per serving
Melatonin 3 mg, Natrol
Melatonin 3 mgNatrol · Tablet or Pill63 mg per serving
Melatonin 3 mg, Natrol
Melatonin 3 mgNatrol · Tablet or Pill63 mg per serving
L-Carnitine 250 mg, Windmill
L-Carnitine 250 mgWindmill · Capsule110 mg per serving
Calcium Hydroxyapatite Caps, NOW
Calcium Hydroxyapatite CapsNOW · Capsule500 mg per serving
Double Strength HMB 1000 mg, NOW Sports
Double Strength HMB 1000 mgNOW Sports · Tablet or Pill170 mg per serving
AKG GN Men's Formula, Higo
AKG GN Men's FormulaHigo · Tablet or Pill1,200 mg per serving
AKG GN Women's Formula, Higo
AKG GN Women's FormulaHigo · Tablet or Pill1,200 mg per serving
D3+K2 5,000 IU D3 / 120 mcg K2, Wonder Labs
D3+K2 5,000 IU D3 / 120 mcg K2Wonder Labs · Tablet or Pill55 mg per serving
Beta Glucan 10 mg with Vitamin C, Solaray
Beta Glucan 10 mg with Vitamin CSolaray · Capsule43 mg per serving
Cal/Mag with Whole Foods, NaturesPlus
Cal/Mag with Whole FoodsNaturesPlus · Tablet or Pill500 mg per serving
Bone & Marrow 3,000 mg, MK Supplements
Bone & Marrow 3,000 mgMK Supplements · Capsule777 mg per serving
Oculotrophin PMG, SP Standard Process
Oculotrophin PMGSP Standard Process · Tablet or Pill20 mg per serving
Symplex F, SP Standard Process
Symplex FSP Standard Process · Tablet or Pill20 mg per serving
O
Ostivone PlusOL Olympian Labs · Tablet or Pill1.5 g per serving
B
Barley GrassNOW · Tablet or Pill14 mg per serving
P
Phase8 VanillaMuscleTech Performance Series · Powder20 mg per serving
A
Arnold Iron Cre3 Blue RazzMusclePharm · Powder18 mg per serving
A
Arnold Iron Cre3 Fruit PunchMusclePharm · Powder18 mg per serving
A
Arnold Iron Cre3 WatermelonMusclePharm · Powder18 mg per serving
S
SaltStick Caps PlusSaltStick · Capsule14 mg per serving
T
Torrent Hawaiian PumpUniversal · Powder112 mg per serving
T
Torrent Sour Citrus RushUniversal · Powder118 mg per serving
T
Torrent Cherry Berry BlastUniversal · Powder150 mg per serving
T
Torrent Green Apple AvalancheUniversal · Powder117 mg per serving
T
Torrent Cherry Berry BlastUniversal · Capsule150 mg per serving
P
Platium 100% Iso-Whey Vanilla Ice CreamMuscleTech Essential Series · Powder118 mg per serving
L
Lecithin GranulesThe Vitamin Shoppe · Powder11 mg per serving
E
Ergonine Blue FrostPEScience · Powder220 mg per serving
E
Ergonine FlavorlessPEScience · Powder220 mg per serving
E
Ergonine Ice TeaPEScience · Powder220 mg per serving
E
Ergonine NanaberryPEScience · Powder220 mg per serving
E
Ergonine Tropical TwistPEScience · Powder220 mg per serving
K
Klean Recovery Milk Chocolate FlavorKlean Athlete · Powder40 mg per serving
Y
Yohimbe Power Max 2000Action Labs · Capsule300 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).