Acetyl L Carnitine Superior Supplement Products Science First Designs for Health L Carnitine 3000 Liquid Unlock Peak Performance & Fertility with L Carnitine! Did you know that injectable L Carnitine is a game changer compared to oral supplements? While oral L Carnitine has low bioavailability (only ~14 18% Product Spotlight! L Carnitine injections infusions and the benefits thereof! Acetyl L Carnitine Confident Health Acetyl L Carnitine (ALCAR) for Cognition and Mental Energy PureBulk, Inc.