Supplement
Psyllium Husk
Fiber with actual RCTs behind it.
Psyllium husk is soluble fiber with solid evidence for LDL cholesterol lowering and regularity. We grade Psyllium Husk B+ on evidence and A- for worth-it at about $8-12 per month.
Evidence
Worth it
Typical cost: $8-12/month
What it does
Psyllium husk is soluble fiber with solid evidence for LDL cholesterol lowering and regularity. One of the least controversial supplements in the database.
What the research says
Lowers LDL cholesterol
Evidence: moderate. Multiple RCTs and meta-analyses support a modest LDL reduction.
Supports regularity
Evidence: strong. Well established.
DRAFT: real RCTs, real effect sizes, boring in the best way.
Is it worth it?
DRAFT: pennies per day for a real effect.
Typical cost
$8-12/month
Common form, not a brand recommendation
Dosage contextestablished
5-10 g/day in the cholesterol trials.
Safety notes
Take with plenty of water. Take medications at a different time of day. Talk to your doctor. This page is information, not medical advice.
Longevity Lab Report
Psyllium Husk news, graded when it happens.
New studies, dose debates, and expert shifts on psyllium husk, in one email a week. Free.
Changelog
Last updated 2026-10-15
- 2026-10-15|Batch 3 entry, DRAFT. Grades provisional; expert positions unsourced unless noted.