Compounded Carnitine (L) Injection Empower Pharmacy Amazon.com: BulkSupplements.com L Carnitine L Tartrate Powder Carnitine Supplement, L Carnitine Tartrate, L Carnitine 1000mg Amino Acids Supplement, Gluten Free, 1000mg per Serving, 1kg (2.2 lbs) : Health & Household L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you When to Take L Carnitine for Optimal Training Benefits Transparent Labs