Formula 491
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyGlucosamine sulfate is researched for its potential to support joint health and manage osteoarthritis symptoms. Clinical evidence for its efficacy is generally considered moderate, though results vary across different populations. This ingredient profile maintains a high safety rating for most users.
AI-generated summary based on research evidence. Not medical advice.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Directions: As a dietary supplement, take 1 capsule two times daily.
Warnings & Precautions
Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Caution: Do not take this product if you are pregnant, nursing or allergic to shellfish.
Caution: Do not take this product if you are pregnant, nursing or allergic to shellfish.
Contains crustacean shellfish (crab & shrimp) ingredients.
Formulation Notes
Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)
Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.
Gluten free
Glucosamine 1000 mg
Helps maintain healthy joint and cartilage
"Sodium free"
Made in USA
Additional Information
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).
Quali Pure
America's #1 selling ingredient for healthy joints.
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.