Saccharomyces boulardii
One of the few supplements that actually delivers. Proven to support diarrhea with real clinical backing.
Verdict
8/10 Solid
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
The travelers probiotic. Not bacteria, but yeast that helps.
DOES IT WORK?
8/10 Solid. Good pick. Beneficial yeast, not bacteria. Survives antibiotics. Best for diarrhea, travelers illness, and alongside antibiotics.
HOW MUCH TO TAKE
250-500mg 1-2x daily
COST
Mid-range. $35-50/month. Standard for most people.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Most people notice something by week 2-3.
SAFETY
One heads-up: immunocompromised. Otherwise, you're good.
HOW IT FEELS
Less GI upset. Essential for antibiotics and travel.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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