Fepadiet Fepa-Alpha-Lipoic Acid R-ALA is a dietary supplement containing alpha-lipoic acid R-ALA. This product is used to help maintain a healthy metabolism and promote energy production in the body. It may also have antioxidant properties and may help protect cells from oxidative damage. It is important to follow the manufacturers instructions and consult a healthcare professional before starting to use this product. ingredients The main active ingredient in this product is alpha-lipoic acid (R-ALA).