Supplements

Calcium in supplements · page 275

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 275 of 304

Alka CalB.E.S.T. Process Alka-Line Supplements · Tablet or Pill500 mg per serving

Calcium (MCHA)Pure Encapsulations · Capsule250 mg per serving

Calcium-D-GlucaratePure Encapsulations · Capsule1,000 mg per serving

Oyster Shell Calcium 500 mgBronson · Tablet or Pill500 mg per serving

Calcium (Citrate)Pure Encapsulations · Capsule300 mg per serving

High Potency Calcium 600 mgWindmill Natural Vitamins · Tablet or Pill600 mg per serving

Vitamin C 1:1Douglas Laboratories · Tablet or Pill70 mg per serving

Liquid-Filled Calcium Plus Vitamin D3Sundown Naturals · Softgel Capsule900 mg per serving

Liquid Filled Absorbable Calcium 1200 mg Plus 1000 IU Vitamin D3Rexall · Softgel Capsule1,200 mg per serving

Coral Calcium PowderBronson · Powder1,000 mg per serving

Vitamin C 1:1Douglas Laboratories · Tablet or Pill70 mg per serving

Garcinia Cambogia CompleteDynamic Health Laboratories Inc. · Capsule40 mg per serving

Osteo-GuardDouglas Laboratories · Tablet or Pill250 mg per serving

ACG3 Charged+ Pink LemonadePMD Platinum · Powder97 mg per serving

ACG3 Charged+ WatermelonPMD Platinum · Powder97 mg per serving

ACG3 Charged+ Blue RazzPMD Platinum · Powder97 mg per serving

ACG3 Charged+ OrangePMD Platinum · Powder98 mg per serving

Osteo Protector With IpriflavoneThe Vitamin Shoppe · Tablet or Pill500 mg per serving

NanostimMuscleTech Concentrated Series · Other (e.g. tea bag)150 mg per serving

Gluco-Pro 2XThompson · Tablet or Pill80 mg per serving

Calcium Magnesium With ZincThompson · Tablet or Pill1,000 mg per serving

Organic Sun EleutheroSun Chlorella Corp. · Tablet or Pill36 mg per serving

IP6 & Inositol 500 mgNatural Factors · Capsule104 mg per serving

Cal/Mag 2 GoOL Olympian Labs · Powder1,000 mg per serving

Cal/Mag 2 GoOL Olympian Labs The Optimal Blend · Other (e.g. tea bag)1,000 mg per serving

Soy IsoflavonesThe Vitamin Shoppe · Tablet or Pill300 mg per serving

Calcium 1200 With Vitamin D3The Vitamin Shoppe · Softgel Capsule1,200 mg per serving

NTFactor Healthy CurbAllergy Research Group · Tablet or Pill146 mg per serving

Neuro-Mag Magnesium L-Threonate With Calcium And Vitamin D3 Natural Lemon FlavorLife Extension · Powder500 mg per serving

Calcium Citrate Petite With Vitamins D-3 & KMember's Mark · Tablet or Pill400 mg per serving

Whole Grape ExtractLife Extension · Capsule10 mg per serving

Liquid-Filled Calcium 600 mg + DSundown Naturalist · Softgel Capsule1,200 mg per serving

Super Calcium 1200 mgSchiff · Softgel Capsule1.2 Gram(s) per serving

Calcium 1200 mg Plus Vitamin D3Sundown Naturals · Softgel Capsule1,200 mg per serving

Zygest Multi-Enzyme Broad Spectrum FormulaVitamin World · Other (e.g. tea bag)150 mg per serving

Absorbable Calcium With Vitamin D3Vitamin World · Softgel Capsule1,200 mg per serving

Ester-C Advanced Antioxidant Formula With Whole Food ComplexAmerican Health · Tablet or Pill112 mg per serving

Chelated Cal-magVitamer Laboratories · Tablet or Pill1,000 mg per serving

Cal-Mag Plus Vitamin DHighland Laboratories · Tablet or Pill1,200 mg per serving

Niacin 500 mgCountry Life · Tablet or Pill36 mg per serving

SuperHD Ultimate Cotton CandyCellucor · Powder80 mg per serving

SuperHD Ultimate Orange MangoCellucor · Powder80 mg per serving

PyruvateBIOVEA · Tablet or Pill238 mg per serving

VascuzymeOrtho Molecular Products · Tablet or Pill120 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).