Fiber / Psyllium Husk
Psyllium (Plantago ovata husk)
Soluble fiber that forms a viscous gel in the GI tract; binds bile acids (lowering cholesterol), slows glucose absorption (improving glycemic control), and promotes beneficial gut microbiome composition via SCFA fermentation; also bulks stool for regularity
Typical longevity dose: 5-10g/day psyllium husk
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
NOW Foods Psyllium Husk Caps 500mg 500 Capsules 1500mg · capsule · 166 servings | iHerb | $11.62 | $0.07 | 8 | Buy |
NOW Foods Psyllium Husk Powder 24oz (680g) 7000mg · powder · 97 servings | iHerb | $11.75 | $0.12 | 8 | Buy |
Nutricost Psyllium Husk 500mg 500 Capsules 1500mg · capsule · 166 servings | iHerb | $19.95 | $0.12 | 8 | Buy |
NOW Foods Organic Psyllium Husk Powder 12oz (340g) 7000mg · powder · 48 servings | iHerb | $13.96 | $0.29 | 8 | Buy |
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Key Research
Psyllium husk reduced LDL cholesterol by 6-24% depending on dose, earning FDA health claim for heart disease risk reduction
Gibb RD et al. (2015). British Journal of Nutrition
Psyllium improved stool consistency and microbiome diversity in IBS patients
Jalanka J et al. (2019). Alimentary Pharmacology & Therapeutics
Interaction Warnings
All oral medications
Psyllium can bind and reduce absorption of medications taken at the same time; take medications 1-2 hours before psyllium
Diabetes medications
Psyllium may lower blood sugar; dose adjustment of hypoglycemics may be needed
Synergies
Probiotics
Psyllium acts as prebiotic fiber, feeding beneficial bacteria and enhancing probiotic colonization
Magnesium
Both support bowel regularity through different mechanisms; combined effect on digestive health
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.