82 The analysis of B-complex vitamins relationship to hair follicle metabolism reveals that out of the eight water-soluble B vitamins essential for cellular function, only four compounds - riboflavin (B2), biotin (B7), folate, and cobalamin (B12) - demonstrate a clinically significant correlation with hair loss pathophysiology
But as mentioned, there's evidence to show that high oral doses of vitamin B12 can be just as effective at treating a deficiency
Without this cross-linking, collagen fibers would be mechanically unstable, compromising the structural integrity of skin, tendons, and blood vessels
Histone modifications have been extensively studied in both human and murine models of SLE (92)
Therefore, GHK-Cu does not have FDA GRAS status for oral dietary supplement use