Niacin Niacin (nicotinic acid and nicotinamide), is required for many metabolic processes
Nevertheless, some studies have noted a heightened likelihood of edema and joint discomfort, which were temporary side effects that correlated with the dosage [30]
Peptide therapies should only be used under medical supervision
It was placed on the FDAs 503A Category 2 bulk-substances list in September 2023, a designation that restricted its use in pharmacy compounding
Int J Sport Nutr 4:280288 Wachter S, Vogt M, Kreis R, Boesch C, Bigler P, Hoppeler H, Krahenbuhl S (2002) Long-term administration of l-carnitine to humans: effect on skeletal muscle carnitine content and physical performance