Since 2001, many clinical trials have been conducted on omnivores to see if lowering homocysteine through pharmacological doses of folate, B12, and sometimes vitamin B6, could reduce the risk of cardiovascular disease, premature death, and cognitive decline
Alpha Arbutin: Evens out skin tone and reduces the appearance of dark spots
J Ethnobiol Ethnomed 8:114 Valko M, Leibfritz D, Moncol J, Cronin MT, Mazur M, Telser J (2007) Free radicals and antioxidants in normal physiological functions and human disease
The buildup of free radicals contributes to a condition called oxidative stress, which is associated with aging and PD
doi: 10.1038/nrendo.2013.56
They might also employ it in animal models to study wound healing rates, hair growth stimulation, or anti-aging effects at a systemic level