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These reports suggest that -KG generated via glutaminolysis is closely related to the cellular decisions that characterize stem cells

SIRT2 and FOXO3a expressions in the cerebral cortex and hippocampus of young and aged male rats: antioxidant and anti-apoptotic effects of melatonin

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Think of it like this: you wouldn't just buy a high-performance engine and drop it into your car without knowing how to connect it

Arquivos Brasileiros de Cardiologia, 112 (4), 374380

It also deactivates the enzyme tyrosine which produces the melanin pigment and hence causes skin lightening