The ratio of eumelanin to pheomelanin is genetically determined by a number of factors including the degree of base-line functional activity of the enzymes and proteins driving the mixed melanogenesis, by the melanocortin 1 receptor (MC1R) genetic polymorphism, and by the amount of the tyrosine in the melanosome [6]
However, human clinical trials specifically for disc herniations are limited, so definitive claims about disc healing in humans cannot yet be made
Vitamin B12 is water-soluble, and the body can efficiently excrete excess amounts through urine
Vitamin C (ascorbic acid, AA) can increase GSH metabolism and improve cellular oxidative stress
Future research needs to address these issues further to facilitate the clinical application of these therapies
Obesity 31 , 21712177 (2023)