bulksupplements AAKG (L-Arginine Alpha-Ketoglutarate) - Mass Gainer for Men What Is AAKG? AAKG is a salt of the amino acid L-Arginine and alpha-ketoglutarate acid. AAKG has grown in popularity over the years with bodybuilders for its purported benefits on muscles and performance due to the belief that it may help increase nitric oxide levels. AAKG Benefits* AAKG may help bodybuilders increase muscle mass as well as boost performance and energy. It is commonly taken as a preworkout supplement. ⚖️ WEIGHT GAINER - AAKG may help bodybuilders gain weight, which can be useful for those who are looking to bulk up. It is also beneficial for endurance athletes since it helps the muscles recover faster after workouts.