Phenylalanine is an essential amino acid that the body cannot produce on its own and must be obtained through food. The nutritional supplement DLPA is a combination of two forms of the amino acid phenylalanine - the L-form and the D-form, which uses its unique properties and effectiveness for the correct production of endorphins (hormones of happiness). DLPA extra contains vitamins C and B6, which contribute to the normal functioning of the nervous and mental systems and to the proper functioning of the immune system. Recommended dose: 1-5 capsules per day on an empty stomach. It is advisable to swallow the capsules whole and drink the necessary amount of water. Taking with a protein meal reduces the effect of the product See other Kompava products in Head, Memory & Mental Wellbeing, Nutritional Supplements and Immunity categories. The product has been evaluated by 7 customers and they recommend it 100%. The product has a 9% discount. If you are not sure about the choice of this product, get inspired in the Nervous category.