OsCal Pro
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 57% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Supplement Facts — Evidence Check
Calcium
400 mg
(31% DV)
27 mcg
(135% DV)
✅ 1.8× RDA — within safe limits
📚 604 studies (Tier A: 16, B: 251)
64 mcg
(53% DV)
✅ Within RDA (0.5× RDA of 0.12 mg)
📚 273 studies (Tier A: 9, B: 175)
164 mg
(13% DV)
✅ Within RDA (0.2× RDA of 700 mg)
📚 12 studies (Tier A: 0, B: 3)
200 mg
(48% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
100 mcg
📊 Market median: 3.0mg (58 products)
📚 2 studies — no high-quality reviews
Cissus quadrangularis extract
150 mg
Other Ingredients
Brown Rice Flour
Magnesium Stearate
Silicon Dioxide
Dicalcium Phosphate
Maltodextrin
Water
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
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Suggested Use: As a dietary supplement, take 4 capsules per day, preferably with a low fiber meal or before sleep.
⚠️ Warnings & Precautions
Keep out of reach of children.
Warning: If you are pregnant, lactating, or have serious medical condition, you should not use this product before consulting a physician.
🧪 Formulation Notes
MCHCal Microcrystalline Hydroxyapatite Calcium
Additional Information
Store in a cool dry place below 30 degrees C (86 degrees F) and avoid exposure to sunlight.
Made In USA With Globally Sourced Ingredients
Product Details
UPC / SKU
8 18174 02037 9
DSLD Entry Date
2023-11-22
Product Type
Other Combinations
Form
Capsule
Brand
Guardian Health
DSLD ID
299125
Data Updated
2026-04-11
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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