1. This enzyme participates in butanoate metabolism and nicotinate and nicotinamide metabolism. 2. This enzyme participates in nicotinate and nicotinamide metabolism and nitrogen metabolism. 3. This enzyme participates in glutamate metabolism and nicotinate and nicotinamide metabolism. 4. This enzyme participates in purine metabolism and nicotinate and nicotinamide metabolism. 5. Nicotinamide riboside prevents muscle, neural and melanocyte stem cell senescence.6. This enzyme participates in nicotinate and nicotinamide metabolism and calcium signaling pathway. 7. Niacin is a precursor to nicotinamide , a necessary component of NAD +. 8. This enzyme is also called "'nicotinamide methyltransferase " '. 9. Nicotinamide does not reduce cholesterol or cause flushing.10. The energy carrier Nicotinamide adenine dinucleotide reacts as a hydride donor or hydride equivalent.