The supply of CH 3 moieties depends on de novo synthesis from S-adenosylmethionine (SAM) via a folate-dependent enzyme which catalyses the production of S-adenosyl homocysteine (SAH), or by re-methylation of the next metabolite, homocysteine, via choline-betaine and vitamin B 12 -folate cycles that need ATP and are facilitated by ascorbic acid , the bioactive from of vitamin C (30)
Mirone M, Giannetta E, Isidori AM
Niacinamide, also known as vitamin B3, is a versatile skincare ingredient celebrated for its anti-inflammatory, brightening, and skin barrier-strengthening properties
One still eludes me though I just purchased Pacifica Cactus Water Micellar Cleansing Tonic, which of course has cactus (cereus grandiflorus) flower extract
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