Amazon.com: Clean Nutra Berberine with Ceylon Cinnamon Supplement Liquid Drops + Bitter Melon Extract, Glucomannan, Gymnema, Chromium, Turmeric, Organic Panax Ginseng, Moringa GLP 1 Support : Health & Household 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 Can I Take Berberine With L Carnitine? Swiss Peak Health Chromium vs. Berberine: Which Is Better for Lowering Blood Sugar? Berberine for Weight Management and Sugar Control: What Science Says Berberine is a potential alternative for metformin with good regulatory effect on lipids in treating metabolic diseases ScienceDirect