Tirzepatide did not impact metabolic adaptation in people with obesity, but increased fat oxidation ScienceDirect How Long Should You Take L Carnitine for Weight Loss Results? Did you know the benefits of tirzepatide go far beyond weight management? When used in microdoses, clients often notice: Clearer focus A calmer relationship with food Restful sleep Better digestion, less inflammation, When Should You Take L Carnitine for Best Results? (Canada) Does L Carnitine Work for Fat Loss? A Dietitian Explains 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