Instead, it is available as a dietary supplement, either alone or with other ingredients, and listed in the Dietary Supplement Label Database (DSLD) of the Office of Dietary Supplements (ODS), the lead federal US government entity for the scientific exploration of dietary supplements
It could manifest as worsening B12 deficiency symptoms like skin rashes, tingling sensations, burning pain, tremors, heart palpitations, joint pain, and more
Psoralen (PSR) in conjunction with ultraviolet A (PUVA) treats vitiligo, a depigmenting skin condition, by promoting both tyrosinase activity and melanin production in melanocytes
Peptides offer a more sophisticated approach
Kaplowitz, N., Aw, T