For patients living worldwide countries like Germeny, Japan, Canada, Australia, and Diet plays an important part and certain foods are considered responsible for vitiligo. Modern people like of America (USA) and other countries eat too much and it is a fashion o eat out, they don't know what they eat under various fancy names. Flesh of unhealthy animal, particularly the flesh of pigs such as ham, bacon, and pork should be avoided by these patients. This animal harbors a lot of parasites and eggs which are in the form of cysts. After eating the cyst wall is digested and tiny worms are released in the intestines, to do havoc in human beings.

In America and other countries Ayurvedic physicians strongly recommend avoiding contrary diet like in the cases of conditions. For example, milk with oily food or curds with sour dishes and radish. Milk and curds with flesh and fish is also to be avoided. Fruits, milk and meat together, is contrary food. Green and red radish, beetroots, carrots, plumes, spinach, black currents, and black dates are very good as diet. Bran should not be removed from the wheat flour. According to Dr. Mufti Psoralens may be the components of normal diet as they are present in such plans as celery, figs, parsely, carrots, caraway, anisi, citrus fruits etc. they may also play a role in the physiology and biochemistry of normal human skin.