The Iberian ham is also characterized by their content of vitamins B1, B6, B12 and folic acid, very beneficial to the nervous system and vitamin E, which acts as an antioxidant.

      - Vitamin B1 (thiamine).- Vitamin B1 is essential for energy production, for the metabolism of carbohydrates and fats, and for growth. Its main function is the decarboxylation. Vitamin B1 and heart: the pronounced lack of B1 causes cardiac dilation.

      - Vitamin B6 (Pyridoxine).- It is essential for the synthesis of many enzymes. It enters on the metabolism of amino acids, the synthesis of transaminases and alkaline phosphatase. His absence causes fatigue, nervousness, fluid retention and vomiting. The main functions of vitamin B6 are: transamination of amino acids, the decarboxylation of amino acids, deamination of amino acids, and the synthesis of gamma butyric acid (GAB), the tryptophan metabolism and transulfuration.

      - Vitamin B12 (Cobalamine). - It is a vitamin present in foods of animal origin. The B12 deficiency leads to anaemia similar to the folic acid. It involves part in the proteins, sugar and fats metabolism. Vitamin B12 is necessary to obtain energy from food, for the metabolism of amino acids, for growth and development. The B12 involve in the synthesis of myelin, a substance that recover the nerves.