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IGF-1 LR3 · What it helps
Muscle growth
IGF-1 builds protein through mTOR and adds new nuclei to muscle fibres through satellite cells. Muscles grow fuller and denser with training. Gains come as tissue, not water. It works best on muscle that is being loaded.
Sources
Read the original sources
- Novel recombinant fusion protein analogues of insulin-like growth factor (IGF)-I indicate the relative importance of IGF-binding protein and receptor binding for enhanced biological potency (Abstract · checked 2026-10-13)
- Insulin-like growth factor-I (IGF-I) and especially IGF-I variants are anabolic in dexamethasone-treated rats (Abstract · checked 2026-10-13)
- Роль инсулиноподобного фактора роста-I в метаболизме, регуляции клеточного обновления и процессах старения (Gennadinik, Nelaeva, Obesity and Metabolism 2010) (Abstract · checked 2026-10-13)