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Head-to-head evidence comparison — which supplement is right for you?
Psyllium Husk wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
15 of 20 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
6 of 7 studies with measurable effects showed benefit.
Top outcomes
5-10g daily
Before meals, With plenty of water
Whole husk powder
10-50mg sulforaphane (or equivalent from broccoli sprout extract)
With meals, Morning preferred
Stabilized sulforaphane (Prostaphane, Avmacol) or broccoli sprout extract with myrosinase
2-3 days
4-8 weeks
Immediate
First 1-2 weeks
2-4 weeks
2-4 weeks
1-2 weeks
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
FBS reduced by 6.89 mg/dL
Broccoli Consumption and Risk of Cancer: An Updated Systematic Review and Meta-Analysis of Observational Studies
Nutrients (2024) · Meta analysis · n=31292
In summary, the findings indicate that individuals suffering from some type of cancer consumed less broccoli, suggesting a protective biological effect of broccoli on cancer.
Do Brassica Vegetables Affect Thyroid Function?-A Comprehensive Systematic Review
International journal of molecular sciences (2024) · Systematic review
We analyzed the results of 123 articles of in vitro, animal, and human studies, describing the impact of brassica plants and extracts on thyroid mass and histology, blood levels of TSH, T3, T4, iodine uptake, and the effect on thyroid cancer cells.
Potential Effects of Bioactive Compounds of Plant-Based Foods and Medicinal Plants in Chronic Kidney Disease and Dialysis: A Systematic Review
Nutrients (2024) · Systematic review
Systematic review examining Sulforaphane efficacy
Based on multiple meta-analyses showing 8.55 mg/dL LDL reduction and 0.278 mmol/L reduction. Effect appears dose-dependent with plateau around 10g. Must take with adequate water.
Based on meta-analyses showing significant improvements in Social Responsiveness Scale and irritability/hyperactivity scores. Effects were modest and required 4-10 weeks of supplementation. Limited to autism populations only.
AI-estimated from published studies. Interpret as directional guidance.
Psyllium Husk has a higher evidence score (8.5/10 vs 5.5/10) and wins in 2 of 3 categories.
For healthy aging, Sulforaphane has a higher relevance score (85 vs 75).
No known interactions between Psyllium Husk and Sulforaphane have been documented in our database. However, always consult a healthcare provider before combining supplements.