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Head-to-head evidence comparison — which supplement is right for you?
Glucosamine vs White Willow Bark: Glucosamine has the stronger overall evidence (5.5 vs 6/10); they're alternatives for joint health & mobility — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Glucosamine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
6 of 9 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
4 of 4 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Glucosamine and White Willow Bark have evidence — compare verdict strength side-by-side.
1500mg glucosamine sulfate
With food, Once daily or split into 3 doses
Glucosamine sulfate (most studied)
120-240mg salicin daily (from standardized extract)
With meals, Divided doses
Standardized extract (15% salicin)
4-12 weeks
8-12 weeks
6-12 months
1-2 weeks
1-4 weeks
Chondroitin for osteoarthritis
The Cochrane database of systematic reviews (2015) · Meta analysis · n=4962
Loss of minimum joint space width in the chondroitin group was statistically significantly less than in the placebo group, with a relative risk difference of 4.7% less (95% CI 1.6% to 7.8% less; n = 2 trials) (level of evidence, high; risk of bias, low).
The Safety and Efficacy of Glucosamine and/or Chondroitin in Humans: A Systematic Review
Nutrients (2025) · Systematic review · n=146
Of the 2013 articles screened, 146 studies were included in our review, with nearly 60% being randomized controlled trials and most conducted in Europe, Asia, or the U.S.
Efficacy and safety of the combination of glucosamine and chondroitin for knee osteoarthritis: a systematic review and meta-analysis
Archives of orthopaedic and trauma surgery (2023) · Meta analysis · n=1067
Our study confirmed that the combination of glucosamine and chondroitin is effective and superior to other treatments in knee osteoarthritis to a certain extent.
Efficacy and Safety of White Willow Bark (Salix alba) Extracts
Phytotherapy research : PTR (2015) · Review
In recent years, various in vitro and animal studies have demonstrated that the anti-inflammatory activity of willow bark extract is associated with down regulation of the inflammatory mediators tumor necrosis factor-α and nuclear factor-kappa B.
A systematic review on the effectiveness of willow bark for musculoskeletal pain
Phytotherapy research : PTR (2009) · Systematic review
All studies investigated ethanolic extracts with daily doses up to 240 mg salicin over periods of up to six weeks.
The historical analysis of aspirin discovery, its relation to the willow tree and antiproliferative and anticancer potential
Cell proliferation (2006) · Review
For several millennia, the willow tree and salicin have been associated with salicylic acid, the key precursor molecule that has contributed to the discovery of acetylsalicylic acid, traded as aspirin.
Evidence shows modest pain reduction in osteoarthritis. GAIT study showed no overall significant effect but benefits in moderate-to-severe subgroup. Glucosamine sulfate form preferred for bioavailability. Effects may take 3+ months to manifest.
Based on Cochrane review showing dose-response relationship with 240mg more effective than 120mg. Studies limited to 6 weeks duration. Requires salicin-standardized extract.
AI-estimated from published studies. Interpret as directional guidance.
Glucosamine has a higher evidence score (5.5/10 vs 6/10) and wins in 2 of 3 categories.
Both Glucosamine and White Willow Bark score equally (88) for joint health & mobility.
No known interactions between Glucosamine and White Willow Bark have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.