Bronson Acetyl L Carnitine 500 mg Vitamins & Supplements Bronson Vitamins Bronson Vitamins Quality Vitamins and Supplements since 1960 When to Take L Carnitine for Optimal Training Benefits Transparent Labs 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 Berberine and L Carnitine: Safety, Benefits and Dosage Guide Bolt Pharmacy