L-carnitine is a very important substance which is used by your body to help burn fat and to make energy. L-carnitine has been shown to decrease blood pressure in some individuals. CarniClear Liquid may also has the additional benefits of promoting weight loss, improving mental function and thyroid health. It is important to note that many of the L-carnitine supplements on the market contain a contaminant (not listed on the label) known as D-carnitine that greatly decreases the benefits of carnitine. This product contains NO D-carnitine. This product is a pleasant tasting raspberry flavored liquid that also contains B12 and B5 vitamins. These B vitamins are also used in the production of energy and for the burning of fat. L-carnitine has also been shown to increase sperm motility!