IGF-1 LR3
People mainly take IGF-1 LR3 for recovery, performance. Based on 14 first-hand reports and 0 meta-analyses & systematic reviews in the medical literature. Ranked #732 of 1,974 overall.
Of reports that state an outcome, 75% are positive.
What IGF-1 LR3 does, according to users
Of the people who reported each effect, the share who said it got better.
1 more with fewer than 3 reports
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.
“Muscle growth plateau? IGF-1 LR3”
“Igf1-lr3 100mcg on training days...igf1-lr3 is pretty insane if monitored properly”
“Usual dosages of IGF-1 LR3 (IGF-1 LONG R3) are 10mcg to around 50mcg per day.”
“I used lr3 on quads after a surgery and have regained all my mass.”
“They call this the fountain of youth. I find this to be a huge lifesaver in n out of the gym.”
Top discussions (5)
- The reality of starting if peptides lol. ↗
- Tesamorelin finally kicking in ↗
- My dad (65) wants to know the best peptides for anti-aging and longevity. Can anyone help? ↗
- Best Peptide for Muscle Mass growth ↗
- If HGH was the same price as GHS (CJC-1295, Ipamorelin, Sermorelin) what would you use and why? ↗
Other options for recovery
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