Highly Absorbable Calcium Citrate

product on market Other (e.g. tea bag) 21st Century 🟢 Safety: 100/100
Brand: 21st Century
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

2 Caplet(s) Serving Size
60 Servings
Mineral Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calcium
400 mg (40% DV)

Other Ingredients

Cellulose Stearic Acid Croscarmellose Sodium Magnesium Silicate Magnesium Stearate

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (100% of products) Structure/Function (81% of products) Nutrient (71% of products) Approved Health (13% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take two (2) to four (4) caplets daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

No Added Sugar, Salt, Yeast, Preservatives, Artificial Flavors or Colors.

Additional Information

Calcium is necessary for healthy bones, teeth and cartilage. Calcium Citrate is a highly absorbable source of calcium and helps build bone mass in young adults and helps prevent bone loss in later years.*

Store at room temperature.

Unconditionally guaranteed for purity, freshness and label potency.

20% FREE

100% Highly Absorbable Calcium Citrate For Strong & Healthy Bones*

MADE IN USA

0506

Product Details

UPC / SKU 7 40985 22318 5
DSLD Entry Date 2012-07-25
Product Type Mineral
Form Other (e.g. tea bag)
Brand 21st Century
DSLD ID 11130
Data Updated 2026-04-11

Research Evidence

511 Research Sources
57 Avg Quality Score
266 Meta Analysis
95 Systematic Review
76 Rct
49 Clinical Trial
12 Guideline
4 Regulatory Source
2 Cochrane Review
2 Other
2 Narrative Review
1 Openfda Safety
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI Cochrane
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI Cochrane
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI Cochrane
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
PubMed DOI Cochrane
A First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
PubMed DOI Cochrane
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
PubMed DOI Cochrane
A Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017
PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI
View all evidence for Calcium →

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