Some supplements that can lower blood sugar may lower it too much if you take them with medication. Other supplements may raise blood sugar. See link below L Carnitine Complex 2200mg 180 High Strength Vegan Capsules 1.5 Month Supply What is Acetyl L Carnitine? The Lowdown Innermost Alpha Lipoic Acid & Acetyl L Carnitine 60 Vegan Capsules G&G Vitamins Frontiers The Effects of L Carnitine, Acetyl L Carnitine, and Propionyl L Carnitine on Body Mass in Type 2 Diabetes Mellitus Patients Some supplements that can lower blood sugar may lower it too much if you take them with medication. Other supplements may raise blood sugar. See link below