G/C 1000
90/100
This product looks safe
- Manganese: 30mg is 2.7× the Tolerable Upper Intake Level (11mg)
- 50% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Manganese: 30mg is 2.7× the Tolerable Upper Intake Level (11mg)
Label Data
2 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
60 mg
(67% DV)
30 mg
(1304% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.7× (UL: 11 mg)
📚 8 studies — no high-quality reviews
1500 mg
📊 Market median: 1000.0mg (1115 products)
📚 22 studies (Tier A: 0, B: 9)
500 mg
📊 Market median: 600.0mg (79 products)
📚 24 studies (Tier A: 0, B: 6)
Other Ingredients
Gelatin
Vegetable Lubricant
Label Claims — Verification
❓
All Other
All Other (99% of products)
Structure/Function (83% of products)
Nutrient (54% of products)
Target Groups
Adult (18 - 50 Years)
Women (not pregnant or lactating)
Product Information
📋 Directions for Use
Directions: Two capsules twice daily, or more, preferably with meals, as recommended by a health care professional.
⚠️ Warnings & Precautions
Sold only for dispensing by a licensed health care professional.
Not to be used by pregnant or lactating women.
Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.
Keep out of reach of children.
🧪 Formulation Notes
Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)
Glucosamine HCl and Chondroitin Sulfate
Additional Information
GMP Certified GMP Compliant Good Manufacturing Practices 21 CFR 111
Product Details
UPC / SKU
3 51821 07232 6
DSLD Entry Date
2023-11-22
Product Type
Other Combinations
Form
Capsule
DSLD ID
299169
Data Updated
2026-04-11
Research Evidence
371
Research Sources
54
Avg Quality Score
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A
Vitamin C supplementation for the primary prevention of cardiovascular disease
A
Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
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