L. reuteri ATCC PTA 6475
Solid evidence for testosterone. Not a miracle worker, but genuinely useful for the right person.
Verdict
6/10 Mixed
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
The "testosterone probiotic." Rodent studies show impressive hormone effects.
DOES IT WORK?
6/10 Mixed. Animal studies showed dramatic testosterone and luteinizing hormone increases. Human evidence more modest. Combined with DSM 17938 in some products. The strain-specific effects are real.
HOW MUCH TO TAKE
Follow label
COST
$25-60/month depending on brand and form.
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
Safe for most people. No red flags at normal doses.
HOW IT FEELS
Some notice improved energy and wellbeing. Hormone effects vary by individual.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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