United States
Data
Supplements

Calcium in supplements · page 265

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 265 of 304

B12 Cyanocobalamin 500 mcg, Windmill Natural Vitamins
B12 Cyanocobalamin 500 mcgWindmill Natural Vitamins · Tablet or Pill110 mg per serving
Chromium Picolinate 200 mcg, Windmill Natural Vitamins
Chromium Picolinate 200 mcgWindmill Natural Vitamins · Tablet or Pill110 mg per serving
Folic Acid 400 mcg, Windmill Natural Vitamins
Folic Acid 400 mcgWindmill Natural Vitamins · Tablet or Pill80 mg per serving
Odor-Controlled Garlic 350 mg, Windmill Natural Vitamins
Odor-Controlled Garlic 350 mgWindmill Natural Vitamins · Tablet or Pill60 mg per serving
No Flush Niacin 500 mg, Windmill Natural Vitamins
No Flush Niacin 500 mgWindmill Natural Vitamins · Tablet or Pill150 mg per serving
Alpha Lipoic Acid 300 mg, Windmill Natural Vitamins
Alpha Lipoic Acid 300 mgWindmill Natural Vitamins · Tablet or Pill70 mg per serving
Lutein 20 mg, Windmill Natural Vitamins
Lutein 20 mgWindmill Natural Vitamins · Capsule60 mg per serving
Melatonin 1 mg, Windmill Natural Vitamins
Melatonin 1 mgWindmill Natural Vitamins · Tablet or Pill70 mg per serving
Melatonin 5 mg, Windmill Natural Vitamins
Melatonin 5 mgWindmill Natural Vitamins · Tablet or Pill65 mg per serving
Glucosamine Sulfate 750 mg, Windmill Natural Vitamins
Glucosamine Sulfate 750 mgWindmill Natural Vitamins · Tablet or Pill50 mg per serving
Chromium Picolinate 500 mcg, Windmill Natural Vitamins
Chromium Picolinate 500 mcgWindmill Natural Vitamins · Tablet or Pill120 mg per serving
Mastic Gum 500 mg, California Gold Nutrition
Mastic Gum 500 mgCalifornia Gold Nutrition · Capsule38 mg per serving
Mastic Gum 500 mg, California Gold Nutrition
Mastic Gum 500 mgCalifornia Gold Nutrition · Capsule38 mg per serving
B12 1000 mcg Time Release, Nature Made
B12 1000 mcg Time ReleaseNature Made · Tablet or Pill120 mg per serving
Melatonin 3 mg, 21st Century
Melatonin 3 mg21st Century · Tablet or Pill94 mg per serving
Bronchial Clear, Terry Naturally
Bronchial ClearTerry Naturally · Tablet or Pill46 mg per serving
Calcium D-Glucarate 200 mg, Life Extension
Calcium D-Glucarate 200 mgLife Extension · Capsule24 mg per serving
Calcium, Source Naturals
CalciumSource Naturals · Tablet or Pill200 mg per serving
C
Complete Menopause Health FormulaWindmill Rx Premium Vitamins · Other (e.g. tea bag)500 mg per serving
C
Calscorbplex Powdered Ascorbate ComplexDouglas Laboratories · Powder490 mg per serving
R
Rx Support HeartburnBronson Laboratories · Capsule120 mg per serving
C
CalZboneBronson Laboratories · Capsule250 mg per serving
C
CalZboneBronson Laboratories · Capsule250 mg per serving
L
Lydia Pinkham Herbal Tablet SupplementLydia E. Pinkham · Tablet or Pill166 mg per serving
O
Osteo-Guard One-To-OneDouglas Laboratories · Tablet or Pill125 mg per serving
O
Osteo-Guard Plus Vitamin DDouglas Laboratories · Tablet or Pill250 mg per serving
C
Cortisol Support Weight Loss Formula21st Century · Capsule150 mg per serving
E
Ester-C 1000NOW · Tablet or Pill115 mg per serving
L
Liquid Cal-Mag + Natural Raspberry FlavorKAL · Liquid600 mg per serving
S
Super CitriMaxNOW · Capsule120 mg per serving
F
Factor 2 Pre-WorkoutForce Factor · Capsule16 mg per serving
V
Volt Pre-Workout Electric PunchNeon Sport · Powder20 mg per serving
V
Volt Pre-Workout Berry PomegranateNeon Sport · Powder65 mg per serving
C
Celi-Vites For Balanced Bone HealthGluten Free Therapeutics · Powder500 mg per serving
G
Garcinia Cambogia 2250 mg With 60% HCAInteractive 1234 · Capsule270 mg per serving
G
Garcinia cambogia Green Coffee Bean ComplexInteractive 1234 · Capsule50 mg per serving
A
Acid ComfortNOW · Lozenge116 mg per serving
V
Volt Pre-Workout Lemon BerryNeon Sport · Powder32 mg per serving
C
Calcium 1000 mg ChocolateThe Vitamin Shoppe · Other (e.g. tea bag)1,000 mg per serving
C
Calcium 1000 mg CaramelThe Vitamin Shoppe · Other (e.g. tea bag)1,000 mg per serving
B
Buffered Vitamin C 500 mgWhole Foods · Capsule52 mg per serving
G
Grapeseed Extract With Resveratrol & PterostilbeneLife Extension · Capsule25 mg per serving
V
VanishPS ProSupps · Capsule8.0 mg per serving
C
Chelated Calcium Magnesium ZincRadiance Platinum · Tablet or Pill1,000 mg per serving
B
Buffered C CapsulesOrtho Molecular Products · Capsule100 mg per serving
B
Buffered C CapsulesOrtho Molecular Products · Capsule100 mg per serving
B
Buffered Lemon C PowderOrtho Molecular Products · Powder350 mg per serving
S
S2 To S4 ParaChiro-Zyme · Capsule52 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).