Designs For Health Carnitine Synergy is a mix of two different blends of Carnitine: L-Carnitine and Acetyl-L-Carnitine HCL. Without Carnitine, fats cant be burned for energy. If there is not enough energy then cells will become weak and die. Designs For Health has created a one-of-a-kind dietary supplement that is not like any other formula by combining L-Carnitine and Acetyl-L-Carnitine. Carnitine is a very important amino acid that is naturally found in the kidneys and liver. Its stored in the heart, brain, and muscles. Without the proper amount of Carnitine, all of these organs can be affected. Hypoglycemia, cardiomyopathy, and liver disease are just a few diseases that can present with a Carnitine deficiency.