Oyster Shell Calcium 500 mg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Tablet(s)
Serving Size
1000
Servings
Single Vitamin and Mineral
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
5 mcg
(25% DV)
✅ Within RDA (0.3× RDA of 0.015 mg)
📚 604 studies (Tier A: 16, B: 251)
Calcium
500 mg
(38% DV)
Other Ingredients
Croscarmellose Sodium
FD&C Blue #1
FD&C Yellow #5
Hypromellose
Maltodextrin
Magnesium Stearate
Microcrystalline Cellulose
Polyethylene Glycol
Polyvinyl Alcohol
Talc
Titanium Dioxide
Label Claims — Verification
❓
Nutrient
❓
All Other
All Other (99% of products)
Structure/Function (85% of products)
Nutrient (54% of products)
Approved Health (3% of products)
Target Groups
Children 4 or More Years of Age
Adult (18 - 50 Years)
Product Information
⚠️ Warnings & Precautions
This package for household without young children
Tamper evident: Do not use if safety seal under cap is broken or missing
Contains shellfish
Warnings: If pregnant or breast-feeding, ask a health professional before use.
Package not child resistant. Keep out of the reach of children.
🧪 Formulation Notes
Manufactured in the USA
Calcium 500 mg + vitamin D3
Additional Information
Compare to active ingredients of Os-Cal Calcium + D3
Store at room temperature. Keep tightly closed in a cool dry place.
Questions or comments? (866) 565-2756 (Mon-Fri 8 AM to 4 PM EST)
Product Details
Research Evidence
849
Research Sources
56
Avg Quality Score
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A
Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
A
Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
A
Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
A
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
A
Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
A
Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
A
Calcium and vitamin D for increasing bone mineral density in premenopausal women
A
Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
A
The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
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