Alcar by PrimaForce provides you with 100% high grade acetyl l-carnitine. Alcar is formulated to support help your body perform better while dieting. Alcar may support overall recovery times after strenuous training and function as a neuro-supporting agent. Alcar is an ester of carnitine that modulates cellular concentrations of free coenzyme A and Acetyl-Coenzyme A, two compounds integrally involved in numerous cellular functions. This includes the transfer of fatty acids across mitochondrial membranes to support energy production.