HealthWise Acetyl L CarnitineDerived from L Cysteine Pharmaceutical grade Vegan Friendly Acetyl forms of amino acids are directly taken into the brain, and Carnitine is no exception, making Acetyl L Carnitine the preferred form of Carnitine for brain and nervous system support as it can cross the blood brain barrier, strengthening the receptors and neurons. The body can convert Acetyl L Carnitine into L Carnitine and visa versa.