Supplements

Calcium in supplements · page 242

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 242 of 304

Melatonin 3 mgBIOVEA · Tablet or Pill63 mg per serving

Melatonin 3 mgBIOVEA · Tablet or Pill63 NP per serving

Xcellent CXYMOGEN · Capsule130 mg per serving

Calcium Magnesium PotassiumBest Naturals · Tablet or Pill500 mg per serving

Buffered Vitamin C + Citrus BioflavonoidsJarrow Formulas · Tablet or Pill50 mg per serving

Buffered Vitamin C with BioflavonoidsSwanson · Capsule60 mg per serving

Inflam-XProfessional Botanicals · Capsule25 mg per serving

KelpGNC SuperFoods · Tablet or Pill80 mg per serving

Melatonin Plus 5 mgWoodstock Vitamins · Tablet or Pill50 mg per serving

Magnesium & CalciumKala Health · Capsule95 mg per serving

Allicin CareAkasha Naturals · Tablet or Pill80 mg per serving

Calcium & MagnesiumNOW · Tablet or Pill1.0 Gram(s) per serving

Pure, Buffered Calcium AscorbateNOW · Powder90 mg per serving

Extra Strength Apple Cider Vinegar 750 mgNOW · Tablet or Pill100 mg per serving

HMB 500 mgNOW Sports · Capsule160 mg per serving

Flexezy-ERPhysician's Signature · Other (e.g. tea bag)80 mg per serving

Osteo-Knbi · Capsule500 mg per serving

Osteo-K Minisnbi · Capsule200 mg per serving

Ester-C 500 mg with Citrus BioflavonoidsAmerican Health · Capsule110 mg per serving

Ester-C 500 mg With Citrus BioflavoindsAmerican Health · Capsule110 mg per serving

Gastromune & Allergy SupportKirkman · Capsule89 mg per serving

Milk ThistleKirkman · Capsule45 mg per serving

Reduced L-Glutathione 100 mgKirkman · Capsule69 mg per serving

TMG 500 mgKirkman · Capsule42 mg per serving

Calcium 600 + Vitamin D3Puritan's Pride · Other (e.g. tea bag)1,200 mg per serving

Calcium 600+Vitamin D3Puritan's Pride · Other (e.g. tea bag)1,200 mg per serving

Calcium MagnesiumPuritan's Pride · Other (e.g. tea bag)500 mg per serving

K2 + D3Mason Natural · Tablet or Pill34 mg per serving

Melatonin 5 mgMason Natural · Tablet or Pill54 mg per serving

Calcium D-Glucarate 500 mgSMNutrition · Capsule62 mg per serving

Shilajit 1,000 mgNutricost · Capsule30 mg per serving

GlyProXTS Complete StackChampion Nutrition · Powder23 mg per serving

Super Reds PowerMET-Rx · Powder17 mg per serving

Bone Builder CapsulesEthical Nutrients · Capsule400 mg per serving

Ultra Fat BurnerSlimquick · Other (e.g. tea bag)150 mg per serving

Target-Mins Cal-Mag Mini-Tabs 500 mg/250 mgCountry Life · Tablet or Pill500 mg per serving

Chewable Calcium Plus Vitamin DNature's Bounty · Other (e.g. tea bag)560 mg per serving

AB Cal Mag+AB American Biologics · Capsule1,000 mg per serving

1 ActivatorSystemic Formulas Bio Command · Capsule36 mg per serving

DB12 Digestives + Vitamin B12Systemic Formulas Bio Function · Capsule18 mg per serving

Nc CalmSystemic Formulas Bio Function · Capsule160 mg per serving

Cocoa Cal MagDaVinci Laboratories Of Vermont · Tablet or Pill500 mg per serving

C-Care PowderKaruna · Powder300 mg per serving

Natural CALM plus Calcium Raspberry-Lemon FlavorNatural Vitality · Powder117 mg per serving

Natural CALM plus CalciumNatural Vitality · Powder128 mg per serving

Iso-Gro 62 Ice Cream VanillaANSI Pro-Series · Powder310 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).