References Lu H, Stratton CW, Tang YW
The Role of Carnitine in the Human Body At its core, carnitine is a compound that shuttles long-chain fatty acids into mitochondria the energy factories of our cells
GH secretagogues: Systemic GH/IGF-1 elevation, create whole-body anabolic environment, support general tissue repair capacity, indirect broad effects
Aside from providing cysteine as a glutathione precursor, NAC also appears to have antioxidant properties by itself, and is a valuable sulfur donor for various metabolic needs
IGF-1 is crucial for growth through adolescence, and for cell health and survival throughout life
Finally, there is no evidence in humans that exogenous lipoic acid can be 'activated' with ATP or GTP and incorporated into lipoic acid-dependent enzymes by a lipoyl transferase (14)