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 Weight Loss & Maximize Results L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. Combining Berberine and L Carnitine can be beneficial for weight management, metabolism, and overall health. Berberine may improve insulin sensitivity, lower blood sugar, and support weight loss, while L carnitine helps the body use L Carnitine 500mg 60 Tablets Weight Management H&B