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Head-to-head evidence comparison — which supplement is right for you?
Glucosamine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
4 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 10 studies with measurable effects showed benefit.
Top outcomes
25-50mg for women; 50-100mg for men (start low)
Morning (mimics natural rhythm)
Micronized DHEA capsules
1500mg glucosamine sulfate
With food, Once daily or split into 3 doses
Glucosamine sulfate (most studied)
4-8 weeks
8-12 weeks
4-12 weeks
8-12 weeks
6-12 months
Dehydroepiandrosterone for depressive symptoms: A systematic review and meta-analysis of randomized controlled trials
Journal of neuroscience research (2020) · Meta analysis · n=742
No hormonal changes that indicated any risk to the participants' health were seen.
Hormonal Treatments and Vaginal Moisturizers for Genitourinary Syndrome of Menopause : A Systematic Review
Annals of internal medicine (2024) · Systematic review
Vaginal estrogen, vaginal DHEA, oral ospemifene, and vaginal moisturizers may improve some GSM symptoms in the short term.
TEAS, DHEA, CoQ10, and GH for poor ovarian response undergoing IVF-ET: a systematic review and network meta-analysis
Reproductive biology and endocrinology : RB&E (2023) · Meta analysis · n=2323
Compared with the control group, CoQ10 (OR 2.22, 95% CI: 1.05 to 4.71) and DHEA (OR 1.92, 95% CI: 1.16 to 3.16) had obvious advantages in improving the clinical pregnancy rate.
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.
Based on meta-analysis showing OR 1.92 for clinical pregnancy rate in poor ovarian response patients. Effect specific to fertility treatment context with medical supervision. Limited long-term safety data.
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.
AI-estimated from published studies. Interpret as directional guidance.
Glucosamine has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
No known interactions between DHEA and Glucosamine have been documented in our database. However, always consult a healthcare provider before combining supplements.