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Head-to-head evidence comparison — which supplement is right for you?
Gymnema Sylvestre vs Psyllium Husk: Psyllium Husk has the stronger overall evidence (8.5 vs 5.5/10); they're alternatives for metabolic health — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Psyllium Husk wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
Top outcomes
Verdict
Likely helps
6 of 6 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Gymnema Sylvestre and Psyllium Husk have evidence — compare verdict strength side-by-side.
200-400mg standardized extract (≥25% gymnemic acids) 1-2x daily, or 2-4g dried leaf
With meals
Standardized extract (≥25% gymnemic acids)
5-10g daily
Before meals, With plenty of water
Whole husk powder
8-12 weeks
Immediate-2 weeks
8-12 weeks
Days
2-3 days
4-8 weeks
Immediate
First 1-2 weeks
The effect of Gymnema sylvestre supplementation on glycemic control in type 2 diabetes patients: A systematic review and meta-analysis.
Phytotherapy research : PTR (2021) · Meta analysis
Significant reductions in fasting blood glucose and HbA1c versus control
The effects of Gymnema Sylvestre supplementation on lipid profile, glycemic control, blood pressure, and anthropometric indices in adults: A systematic review and meta-analysis.
Phytotherapy research : PTR (2023) · Meta analysis
Reductions in fasting glucose and improvements in lipid profile
A systematic review of Gymnema sylvestre in obesity and diabetes management.
Journal of the science of food and agriculture (2014) · Systematic review
Possible benefits for glycemic control and body weight
Galactomannans are the most effective soluble dietary fibers in type 2 diabetes: a systematic review and network meta-analysis
The American journal of clinical nutrition (2023) · Meta analysis · n=2685
Galactomannans had the highest effect on reducing the levels of HbA1c (SUCRA: 92.33%) and fasting blood glucose (SUCRA: 85.92%).
The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials
The American journal of clinical nutrition (2022) · Meta analysis · n=1251
Overall, 311 of 473 (66%) participants responded to fiber treatment and 134 of 329 (41%) responded to control treatment [RR: 1.48 (95% CI: 1.17, 1.88; P = 0.001); I2 = 57% (P = 0.007)], with psyllium and pectin having significant effects.
The effect of psyllium on fasting blood sugar, HbA1c, HOMA IR, and insulin control: a GRADE-assessed systematic review and meta-analysis
BMC Endocrine Disorders (2024) · Meta analysis · n=962
19 RCTs, 962 participants: FBS reduced by 6.89 mg/dL (95% CI: -10.62, -3.16).
Psyllium Husk has a higher evidence score (8.5/10 vs 5.5/10) and wins in 3 of 3 categories.
For metabolic health, Gymnema Sylvestre has a higher relevance score (62 vs 60).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
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The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.