l arginine or l carnitine which is better and , Arginine an amino acid we can also L - Carnitine & L

2017 Mar 23;169(1):132-147.e16

But for now, the strongest evidence is still preclinical

Potential Hair & Scalp Benefits 1

Kolluri N, Sun Z, Sampson AR, Lewis DA (2005)

Discontinuation implications here prove more favorable - once acute issues like scarring, hyperpigmentation, or inflammatory damage resolve through GHK-Cu treatment, improvements typically persist because underlying pathology has been corrected rather than merely suppressed

Glutathione Foods Include Antioxidants that Facilitate Glutathione Production Certain other micronutrients with antioxidant and metabolic properties are critical to the bodys glutathione production process, including carnitine, selenium, and alpha lipoic acid