oral melanotic Can a black pigmented lesion of the cavity... : Journal of Family Medicine and Primary Care Melanocytic Lesions | A Guide

A declining vitamin B6 status and a concurrent lower dietary intake of choline/betaine suggests a perfect storm leading to raised homocysteine and a higher inflammatory profile due in part to inadequate supply of methyl donors to the methionine cycle

Even though it is pretty expensive, glutathione injections are quite popular as they significantly increase the bioavailability of glutathione

Glutathione neutralizes free radicals, supports collagen, and may help reduce hyperpigmentation for brighter, more even skin

BPC-157 is right up there as a top pick for protocols, but sorting out sourcing is the real challenge