S-4 Andarine
The short answer. There isn't much data on S-4 Andarine yet — 2 mentions, 0 with a clear outcome — so treat these numbers as anecdotal. It is not an approved supplement and carries real risks.
From 2 mentions in total — the rest didn't say how it went and aren't counted.
What S-4 Andarine 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.
Dosage people report
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.
More sarms
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