Amazon.com: Lypo Spheric Acetyl L Carnitine 1,000 mg Acetyl L Carnitine & Essential Phospholipids Per Packet Liposome Encapsulated for Maximum Bioavailability 100% Non GMO (30 Individual Packets) : Health & Household Dairy Research 2016 Injectable l carnitine has 100% bioavailability and its a supplement, not steroid., Even as a natty you can use and it can also help you in your bulking process, not just in fat loss. , ., Baaki if What is L Carnitine, L Carnitine is an amino acid that plays a role in energy production and fat metabolism. Its found in foods like red meat, fish, and dairy, and also available as a supplement.,