BulkL-Carnitine supplements use an "L-Tartrate" ester form of L-Carnitine. This is the purest format available. Contains 1000mg L-Carnitine per capsule. L-Carnitine is an amino acid found naturally in the body. L-Carnitine is used to carry fat to the mitochondria in the cells to use for energy. Supplement is typically used as a pre-workout supplement. Available in 90 Capsule and 270 Capsule packs. Ingredients Per Capsule: L-Carnitine L-Tartrate 1000mg, Capsule Shell (Gelatin), Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Stearic Acid.