Reduce muscle soreness during resistance training Acetyl L-Carnitine is your perfect training buddy. It can reduce tiredness, fatigue, and a feeling of weakness during exercise, so it could be just what you need to get through that last set. Anyone who has had a heavy gym session knows the feeling of standing at the bottom of the set of stairs the next day.. Bulk Nutrients' Alcar capsules can decrease muscle aches and pains and improve muscle recovery time. In support of your all-round health and wellbeing, Acetyl L-Carnitine is an antioxidant and can help reduce free radicals formed in the body. Bulk Nutrients also have Acetyl L-Carnitine (ALCAR) powder in resealable 250g pouches.