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& Parthasarathy, S

But for most people, the effect is more of a gradual return to your normal baseline, not a sudden, dramatic spike in energy

The compound appears to work by increasing intracellular NAD+ levels (through preventing nicotinamide consumption by NNMT), which activates sirtuins and enhances mitochondrial function and fatty acid oxidation, while also promoting a phenomenon called "browning" of white adipose tissue - the transformation of energy-storing white fat cells into metabolically active beige/brown adipocytes that burn fatty acids for thermogenesis rather than storing them

In StatPearls [Internet]