Wouldn't high dose fast-acting Niacin (500mg) help resolve it like it does help resolving almost any addiction by bumping up levels of NAD+ in the brain, reduci

Wouldn't high dose fast-acting Niacin (500mg) help resolve it like it does help resolving almost any addiction by bumping up levels of NAD+ in the brain, reducing cravings to continue whatever addiction a person has? With the added benefit of improving cardiovascular system.