Glucosamine sulfate has decades of osteoarthritis data and an equally long argument about effect size. Some knees notice it; many do not. It is slower than ibuprofen and less honest in the ads.
Supplements
Moderate evidence
Glucosamine
The old joint supplement that still shows up in reviews.
How to use
1500 mg glucosamine sulfate daily with food for 8–12 weeks before judging.
Details
- Ingredients
- Glucosamine sulfate
- Benefits
- Joint comfort
- Dosage
- 1500 mg daily
- When to take
- With food
- Side effects
- Shellfish allergy risk on some sources. GI upset.
- Scientific evidence
- Meta-analyses are mixed; sulfate form and adequate dose matter more than branding.
- Form
- Capsule
- Third-party tested
- Yes
Editorial rating ★ 3.6
Cheap enough to trial for cranky joints. Strength training still does more.
Reviews
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