Metformin enhances GLUT1 expression and function in intestinal cells Previous studies have demonstrated that changes in glucose metabolism within the GI tract observed following gastric bypass surgery or metformin treatment are associated with alterations in the gene expression of glucose transporters 26,28,30,31,32
Spermidine and Gray Hair Reversal Spermidine, a naturally occurring polyamine with well-documented roles in cellular renewal and healthy aging, is being explored as a potential factor in restoring hair pigmentation and supporting growth
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Other common ingredients for treating melasma (many of which can be used in combination) include retinoids, vitamin C, kojic acid, niacinamide, alpha hydroxy acids, beta hydroxy acids, azelaic acid, and arbutin