l carnitine muscletech L-Carnitine 3000, Peach Mango , 24 fl oz (709 ml) Tech Ripped — for ⁶⁰ days Muscletech Platinum 100% Carnitine 180

N-acetylcysteine (NAC), a bioavailable cysteine donor, can support endogenous GSH synthesis and may also exert antioxidant effects independent of GSH replenishment

Bohn, T., de Lera, A

Ipamorelin, a synthetic peptide that belongs to the growth hormone secretagogue family, works by stimulating the pituitary gland to release growth hormone, leading to increased levels of growth hormone in the body

Melanocortin receptor ligands: new horizons for skin biology and clinical dermatology. J Invest Dermatol

The study did not measure the L-carnitine excretion from urine before and after the intervention, which might provide further explanation of L-carnitine distribution inside the human body