L Carnitine Ampule contains a very effective and 3000 mg high dose of L Carnitine. Designed specifically for athletes who want professional help to achieve their fitness goals. When to take L carnitine: Dosage, forms, and side effects Neither L Carnitine nor Berberine work like caffeine, yohimbine, or fat burners. They do NOT: Spike your heart rate Jack up your nervous system Cause jitters or crashes Mask L Carnitine 60 tablets Zenement L Carnitine 3000mg 180 Vegan Capsules, High Dose Energy & Fat Metabolism Support For Active Lifestyles Fat Loss