IGF-1 LR3

IGF-1 LR3 (Insulin-Like Growth Factor-1 Long R3) is a modified form of IGF-1, designed to have a longer half-life and enhanced potency. It is used in research and by some athletes/bodybuilders for its growth-promoting effects.

Primary Effects

• Muscle growth: Stimulates muscle cell proliferation and differentiation.
• Fat loss: Enhances fat metabolism.
• Recovery: Speeds up tissue repair and reduces downtime between workouts.

Dosage and Administration

• Typical doses range from 20–100 mcg daily.
• Administered via subcutaneous or intramuscular injections.
• Often cycled for 4–6 weeks.

Side Effects

• Hypoglycemia: Can lower blood sugar levels.
• Joint pain and swelling.
• Organ growth: Potential for unwanted growth of internal tissues.
• Injection site reactions.