Adverse events, such as hypoglycemia, cancer, pancreatitis, and heart failure were similar with alogliptin and placebo (95)
We do not market glutathione as a whitening or bleaching agent, ever
Side effects can occur, however
Melanotan 1 (MT1) is a synthetic peptide analog of alpha-melanocyte stimulating hormone (alpha-MSH), an endogenous peptide hormone with effects on skin pigmentation, sexual function, appetite, and metabolism
Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant