Compound Library

Peptide / GH Axis

Pegylated IGF-1 LR3

PEGylated form of IGF-1 LR3. Significantly extended half-life vs standard IGF-1 LR3. Longer anabolic window. Same hypoglycaemia concerns but prolonged.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose20–50 mcg SubQ 2–3x per week
Half-life96 hours
Risk flaghigh
Regulatory noteResearch-only flag

Side effects and watch-outs

  • ⚠️ Prolonged hypoglycaemia risk — have glucose available at all times
  • Organ/tissue growth
  • Headache
  • Joint pain
  • Lethargy
  • ⚠️ Cancer growth factor concern with chronic supraphysiological use