GSTP1 is responsible for metabolism of alkylating agents, topoisomerase inhibitors, antimetabolites, or tubulin inhibitors used in treatment of cancer
Common examples of this category include HIV-1 Tat, penetratin, Herpes Simplex Virus-1 (HSV-1) VP22 peptide transduction domains, nonarginine (R9), Retinoid X receptor (RXR) 4, etc
What the evidence supports today is biological plausibility worth a proper trial
The reasons for this are complex, but the overlap between the various functions of the different B vitamins is thought to be one aspect
Plus, people with certain vitamin deficiencies may have greater success with injections over oral supplements since your body can better absorb the nutrients
It may help with conditions like KC, TED, DED, ocular surface problems, cataracts, glaucoma, retinoblastoma, and other retinal diseases