Peptide overview

IGF-1 LR3

The muscle-building powerhouse signal (strong growth messaging).

Muscle Support
Hormonal
Injection

Also known as: IGF1 LR3, IGF-1LR3

Benefits

  • Supports muscle-building signals
  • Supports recovery capacity
  • Supports performance output

How it works

Acts like an amplified growth signal that encourages cells to prioritize growth and repair. It is often described as a longer-acting IGF-1 messenger in research.

Safety profile

Generally well tolerated. Minor side effects occasionally reported include: water retention, appetite shifts, and low-blood-sugar-like feelings.

Quick facts

DeliveryInjection
Vial Size(s)Available in: 1mg vials

Timeline

Some notice performance and recovery sooner; visible changes usually take weeks.

Duration & cycling

Cycling is common; avoid going longer than ~12 weeks continuous and include time off to reset.

Have a question? Ask pep.ai