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Mechanisms of Muscle Hypertrophy IGF-1 DES promotes muscle growth through potent activation of IGF-1 receptors on muscle cells, triggering PI3K/Akt/mTOR pathways mediating protein synthesis, increased amino acid and glucose uptake into myocytes, satellite cell activation and proliferation, inhibition of protein degradation (anti-catabolic effects), and enhanced muscle fiber hypertrophy

doi: 10.1002/sim.4067 40 WilliamsonEJForbesA

This difference is consistent across multiple clinical trials and BMI subgroups

Within this flux-constrained state, long-term metabolic resilience likely reflects the interaction between receptor-mediated signaling and substrate-supported regeneration

Glutathione has incredible antioxidant properties (removal of heavy metals and harmful free radicals)