Primobolan
People mainly take Primobolan for performance, hormones. Based on 9 first-hand reports and 0 meta-analyses & systematic reviews in the medical literature. Ranked #896 of 1,974 overall.
Of reports that state an outcome, 67% are positive.
What Primobolan 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
Verbatim quotes, shortened only — each links to the original discussion.
“switching to Primo for 10 weeks”
“280 primo a week, 6-8iu of gh depends and anavar 25mg daily”
“The stack i used. I only testosterone for the first year and then i added the other compounds.”
“Add primo to your trt regime.”
“I noticed a huge difference in aggression after about 2 weeks on about 400mg/wk primo.”
Top discussions (5)
- 105kg-83kg December 2024 - september 2026 ↗
- Wife & I (both 43) went all-in on TRT/HRT + Tirzepatide + Peptides — 4 months in and life is transforming ↗
- Gh test primo reta ↗
- 6 month Retatrutide transformation - 112kg to 98kg! - 14kg/30lbs Loss - AMA ↗
- Best peptide for increasing daily energy + improving muscle mass? ↗
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 2, 2026. How we rate