Otr-Ac
People mainly take Otr-Ac for performance, recovery. Based on 3 first-hand reports and 0 meta-analyses & systematic reviews in the medical literature. Ranked #2281 of 3,539 overall.
Of reports that state an outcome, 100% are positive.
What Otr-Ac does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
No randomized controlled trials in humans found on PubMed. The grade measures how much human research exists — read the conclusions below for what it found.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
“one week in on otr-ac and I can feel it strong, strength is going up, better recovery.”
Other options for performance
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate