Besides biotin, pineapple contains vitamin B12, vitamin F, and all other vitamins and also 16 different minerals and minor nutrient elements such as iron, zinc and copper. Pineapple is extremely rich in bromelain. This protein enzyme destroys intestinal bacteria, removes parasites, heightens the blood coagulation, improves blood supply and lowers the blood pressure, further on it has anti-inflammatory effect and relaxes the muscles.