Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we'll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more
Head-to-head evidence comparison — which supplement is right for you?
L-Glutamine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
3 of 3 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
5-10g
Post-workout, Before bed, Or split throughout day
L-Glutamine powder
150-500mg trans-resveratrol
With a meal containing fat
Trans-resveratrol capsules
2-4 weeks
2-4 weeks
1-2 weeks
4-12 weeks
4-8 weeks
A Phase 3 Trial of l-Glutamine in Sickle Cell Disease
The New England journal of medicine (2018) · Rct · n=230
A total of 230 patients (age range, 5 to 58 years; 53.9% female) were randomly assigned, in a 2:1 ratio, to receive l-glutamine (152 patients) or placebo (78 patients).
What Is the Role of Nutritional Supplements in Support of Total Hip Replacement and Total Knee Replacement Surgeries? A Systematic Review
Nutrients (2018) · Systematic review
Amino acid supplementation is reported to reduce muscle atrophy and accelerate return of functional mobility.
Evidence and gaps in clinical outcomes of novel pharmacologic therapies for sickle cell disease: A systematic literature review highlighting insights from clinical trials and real-world studies
Blood reviews (2025) · Systematic review · n=97
A pivotal phase III study of l-glutamine showed that patients treated with l-glutamine had a 25 % reduction in pain crises and 33 % fewer hospital days compared to placebo. l-glutamine was generally well tolerated with minimal side effects.
A Systematic Review and Meta-Analysis of Randomized Controlled Trials on the Impact of Resveratrol Supplementation on Anthropometric Indices in Patients With Type 2 Diabetes
Phytotherapy research : PTR (2025) · Meta analysis · n=614
We determined overall effect sizes using a random-effects model and assessed heterogeneity using the I 2 statistic and Cochrane's Q test.
Resveratrol for the Management of Human Health: How Far Have We Come? A Systematic Review of Resveratrol Clinical Trials to Highlight Gaps and Opportunities
International journal of molecular sciences (2024) · Systematic review · n=200
Over the last 20 years, there have been almost 200 studies evaluating resveratrol across at least 24 indications, including cancer, menopause symptoms, diabetes, metabolic syndrome, and cardiovascular disease.
Resveratrol and Female Fertility: A Systematic Review
International journal of molecular sciences (2024) · Systematic review
The current literature, though limited, suggests that resveratrol may play a role in female infertility.
Based on RCT showing reduced URTI incidence in combat athletes (n=21) and enhanced IgA levels. Limited sample size and specific population studied. Effect may be primarily in high-stress/training conditions.
Based on meta-analysis showing TNF-α reduction in young and obese subjects. Effect sizes were modest and heterogeneity was high (I2=60-74%). Higher doses associated with increased GI upset risk.
AI-estimated from published studies. Interpret as directional guidance.
L-Glutamine has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
For reduce inflammation, L-Glutamine has a higher relevance score (85 vs 65).
No known interactions between L-Glutamine and Resveratrol have been documented in our database. However, always consult a healthcare provider before combining supplements.