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Muscle Healing Animal studies on muscle transection models reported: Faster muscle fiber regeneration Reduced inflammatory markers Reference: Pevec et al., 2010 4

This dual enhancement of NAD+ and SAM creates favorable conditions for cellular repair, metabolic flexibility, and stress resiliencekey determinants of healthy aging

Clinical Trials: Studies have shown that patients receiving BPC-157 therapy experience significant improvements in pain and function

You are not alone, and the story is more complicated than testosterone simply being the villain

The former is, I would argue, simply obvious given the facts on the ground of money available with no universal testing regime