Single Vitamin and Mineral

Calcium 1000 mg

by 21st Century · Tablet or Pill

Supplement facts from the label of Calcium 1000 mg by 21st Century: Vitamin D3 20 mcg, Calcium 1,000 mg.

Label of Calcium 1000 mg, 21st Century
Label image: NIH DSLD · full label (PDF)
Serving size1 Tablet(s)
Servings per container90
Most servings a day on the label1
TypeSingle Vitamin and Mineral
Barcode740985270707
Label recordDSLD 334868 · entered 2025-04-24

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
Vitamin D3 (Cholecalciferol)20 mcg100%100 mcg · 20% at label max
Calcium (Calcium Carbonate)1,000 mg77%2,500 mg · 40% at label max

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Adult (18 - 50 Years) · Gluten Free

Claim types: Nutrient · All Other · Structure/Function

Formula re: Contains: Calcium is an important mineral for bone health. Vitamin D3 is added to assist with calcium absorption.

Suggested/Recommended/Usage/Directions: Directions: As a calcium supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider.

Precautions re: All Other: Do not exceed recommended dosage. Stop use and contact a physician if adverse reactions occur. Do not use if product appears to be tampered with or seal is broken.

All Other Content: Individual results may vary.

Precautions re: Pregnant or Nursing or Prescription Medications: Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Precautions re: Children: Keep out of reach of children.

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

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).