Is IGF-1 LR3 researched for muscle gain?

IGF-1 LR3 is a Performance compound. Growth Mediator. For muscle gain specifically, the relevant mechanism is increasing lean mass via gh/igf-1 axis, satellite-cell activity, or anabolic signaling.

What is the typical research dose of IGF-1 LR3 for muscle gain?

20-50 mcg daily (post-workout), Long half-life; highly anabolic.

What side effects of IGF-1 LR3 matter most when used for muscle gain?

Hypoglycemia; Gut growth (abuse)

Performance · For Muscle Gain

IGF-1 LR3 for Muscle Gain

Growth Mediator.

Why IGF-1 LR3 for muscle gain?

Polypeptide hormone similar in molecular structure to insulin.

Muscle Gain context: Increasing lean mass via GH/IGF-1 axis, satellite-cell activity, or anabolic signaling. IGF-1 LR3 fits this goal because its category (Performance) and benefit profile align with the underlying mechanism.

Benefits relevant to muscle gain

Muscle hyperplasia

Reference dosing by bodyweight

Anchored to the most-cited research dose (20 mcg @ 75 kg). Reference only.

Bodyweight band	Reference dose range
<60 kg / <132 lb	12–17 mcg
60–75 kg / 132–165 lb	15–21 mcg
75–90 kg / 165–198 lb	19–25 mcg
90–105 kg / 198–231 lb	22–30 mcg
>105 kg / >231 lb	26–35 mcg

Side effects to weigh against muscle gain benefit

Hypoglycemia
Gut growth (abuse)

Calculator

Reconstitute IGF-1 LR3

Reference

Full bodyweight chart

Profile

IGF-1 LR3 guide

Also researched for

IGF-1 LR3 for Fat Loss IGF-1 LR3 for Recovery

Educational use only

This calculator is provided for research and educational purposes. Outputs are derived from the values you enter. Always verify your math and consult a licensed physician before acting on any result.