Growth & hormones · ~3 min read
IGF-1 LR3: What It Is, How It Works & What the Research Shows
Overview
Long R3 analog of Insulin-like Growth Factor 1 with prolonged half-life and reduced binding to IGFBPs.
How it works
Long R3 analog of Insulin-like Growth Factor 1 with prolonged half-life and reduced binding to IGFBPs.
Adamantane & the blood–brain barrier
Chemically attaching an adamantane group to a peptide can increase its lipid (fat) solubility. Researchers hypothesize that this modification may help certain compounds cross the tightly regulated blood–brain barrier. The effect depends on the specific modified molecule; greater lipid solubility alone does not establish brain delivery or clinical benefit. This does not apply automatically to the unmodified peptide and is not a reconstitution additive.
What the research shows
- Anabolic signaling
- Muscle cell proliferation
- Recovery support
Typical protocol
Community-reported range (unverified): 20–80 mcg/day SC
Community-reported range (unverified); not a clinically verified schedule.
The dossier calculator is a pure math tool, not compound-specific preparation guidance.
Sources
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