Acetyl L Carnitine (ALCAR) Supplement for Horses Mad Barn Acetyl L Carnitine is a modified form of carnitine that has the dual benefit of supporting mental fatigue, improving mood levels and alertness as it crosses the blood brain barrier with ease while supporting Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction Acetyl L Carnitine New Roots Herbal L Carnitine Linus Pauling Institute Oregon State University