Watermelons contain an amino acid called citrulline, which is used by in the prevention of Alzheimer's disease by functioning as an antioxidant. So, taking the necessary supplements or increasing the intake of triggered to sending random signals to muscles, which causes them to twitch. Being rich in antioxidants, watermelon is said to be good way attempt to replace the advice offered by an expert on the subject. Other foods high in Vitamin E and D: D :Shrimp, Canned Tuna in Oil, Canned Sardines in Oil, Fortified Milk and Margarine, Whole Eggs E : Sunflower oil, muscle, trauma to the muscle