Supplements

Calcium in supplements · page 267

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 267 of 304

HMB 1000, MET-Rx
HMB 1000MET-Rx · Capsule130 mg per serving
Super Guarana 1200 mg, DC
Super Guarana 1200 mgDC · Tablet or Pill500 mg per serving
PQQ 20 mg, Health Thru Nutrition
PQQ 20 mgHealth Thru Nutrition · Capsule108 mg per serving
PQQ 20 mg, Health Thru Nutrition
PQQ 20 mgHealth Thru Nutrition · Capsule108 mg per serving
PQQ 40 mg, Health Thru Nutrition
PQQ 40 mgHealth Thru Nutrition · Capsule108 mg per serving
PQQ 40 mg, Health Thru Nutrition
PQQ 40 mgHealth Thru Nutrition · Capsule108 mg per serving
PQQ 20 mg, Health Thru Nutrition
PQQ 20 mgHealth Thru Nutrition · Capsule108 mg per serving
Amino hGH, Premier Research Labs
Amino hGHPremier Research Labs · Capsule50 mg per serving
NZ-Red Deer Antler Velvet, Premier Research Labs
NZ-Red Deer Antler VelvetPremier Research Labs · Capsule50 mg per serving
Biotin 5,000 mcg, Best Naturals
Biotin 5,000 mcgBest Naturals · Capsule222 mg per serving
Serrapeptase 40,000 SPU, Doctor's Best
Serrapeptase 40,000 SPUDoctor's Best · Capsule27 mg per serving
Caffeine 200 mg, Best Naturals
Caffeine 200 mgBest Naturals · Tablet or Pill25 mg per serving
Pantothenic Acid 500 mg, Healthy Origins
Pantothenic Acid 500 mgHealthy Origins · Capsule41 mg per serving
IP-6 510 mg, Best Naturals
IP-6 510 mgBest Naturals · Capsule173 mg per serving
Motility Pro, Ortho Molecular Products
Motility ProOrtho Molecular Products · Capsule30 mg per serving
Super Guarana 1200 mg, Best Naturals
Super Guarana 1200 mgBest Naturals · Tablet or Pill250 mg per serving
Vitamin B-1 100 mg, Best Naturals
Vitamin B-1 100 mgBest Naturals · Tablet or Pill70 mg per serving
Biotin 10,000 mcg, Best Naturals
Biotin 10,000 mcgBest Naturals · Capsule66 mg per serving
B12 1000 mcg, Nature Made
B12 1000 mcgNature Made · Tablet or Pill120 mg per serving
Melatonin 5 mg, Nature Made
Melatonin 5 mgNature Made · Tablet or Pill80 mg per serving
Bupleurum Calmative Compound 560 mg, Planetary Herbals
Bupleurum Calmative Compound 560 mgPlanetary Herbals · Tablet or Pill57 mg per serving
Full Spectrum Horse Chestnut 300 mg, Planetary Herbals
Full Spectrum Horse Chestnut 300 mgPlanetary Herbals · Tablet or Pill38 mg per serving
Milk Thistle Extract 300 mg, Meijer
Milk Thistle Extract 300 mgMeijer · Capsule65 mg per serving
Full Spectrum Nopal Cactus 1,000 mg, Planetary Herbals
Full Spectrum Nopal Cactus 1,000 mgPlanetary Herbals · Tablet or Pill26 mg per serving
Full Spectrum Pine Bark Extract 150 mg, Planetary Herbals
Full Spectrum Pine Bark Extract 150 mgPlanetary Herbals · Tablet or Pill80 mg per serving
Full Spectrum Chaga 1,000 mg, Planetary Herbals
Full Spectrum Chaga 1,000 mgPlanetary Herbals · Tablet or Pill32 mg per serving
Vitamin B1 100 mg, Meijer
Vitamin B1 100 mgMeijer · Tablet or Pill35 mg per serving
Bitter Melon 500 mg, Planetary Herbals
Bitter Melon 500 mgPlanetary Herbals · Capsule44 mg per serving
DMAE 130 mg, The Vitamin Shoppe
DMAE 130 mgThe Vitamin Shoppe · Tablet or Pill48 mg per serving
Ginkgo-24 40 mg, Source Naturals
Ginkgo-24 40 mgSource Naturals · Tablet or Pill20 mg per serving
L-Phenylalanine 500 mg, Source Naturals
L-Phenylalanine 500 mgSource Naturals · Tablet or Pill99 mg per serving
DLPA 375 mg, Source Naturals
DLPA 375 mgSource Naturals · Tablet or Pill87 mg per serving
DLPA 750 mg, Source Naturals
DLPA 750 mgSource Naturals · Tablet or Pill55 mg per serving
Full Spectrum Chaga 1,000 mg, Planetary Herbals
Full Spectrum Chaga 1,000 mgPlanetary Herbals · Tablet or Pill32 mg per serving
Full Spectrum Gymnema 450 mg, Planetary Ayurvedics
Full Spectrum Gymnema 450 mgPlanetary Ayurvedics · Tablet or Pill42 mg per serving
Cleanse, Custom Health Centers
CleanseCustom Health Centers · Capsule200 mg per serving
Alpha Lipoic Acid 200 mg, Source Naturals
Alpha Lipoic Acid 200 mgSource Naturals · Tablet or Pill52 mg per serving
B-1 100 mg, Source Naturals
B-1 100 mgSource Naturals · Tablet or Pill35 mg per serving
BioPerine 10 mg, Source Naturals
BioPerine 10 mgSource Naturals · Tablet or Pill28 mg per serving
Phytosterol Complex with Beta-Sitosterol 113 mg, Source Naturals
Phytosterol Complex with Beta-Sitosterol 113 mgSource Naturals · Tablet or Pill106 mg per serving
Gut Motility, HoltraCeuticals
Gut MotilityHoltraCeuticals · Capsule30 mg per serving
Trans-Ferulic Acid 250 mg, Source Naturals Athletic Series
Trans-Ferulic Acid 250 mgSource Naturals Athletic Series · Tablet or Pill61 mg per serving
St. John's Wort Extract 300 mg, Source Naturals
St. John's Wort Extract 300 mgSource Naturals · Tablet or Pill31 mg per serving
Bromelain 500 mg, Source Naturals
Bromelain 500 mgSource Naturals · Tablet or Pill68 mg per serving
Ultra Potency Gymnema Sylvestre 550 mg, Source Naturals
Ultra Potency Gymnema Sylvestre 550 mgSource Naturals · Tablet or Pill30 mg per serving
Turmeric with Meriva 500 mg, Source Naturals
Turmeric with Meriva 500 mgSource Naturals · Tablet or Pill73 mg per serving
Turmeric with Meriva 500 mg, Source Naturals
Turmeric with Meriva 500 mgSource Naturals · Tablet or Pill73 mg per serving
Bitter Melon, Source Naturals
Bitter MelonSource Naturals · Capsule46 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).