Certain nutrients are beneficial in relieving stress. These are vitamins A and B, minerals such as calcium, potassium and magnesium which reduce the feeling of irritability and anxiety. Vitamin A is found in green and yellow vegetables. Some of the valuable sources of vitamin B are cashews, green leafy vegetables, yeast, sprouts and bananas. An element of vitamin B complex, pantothenic acid is especially important in preventing stress. It has a deep effect on the adrenal glands and the immune system and adequate amount of this vitamin along with vitamin A can help prevent many of the changes caused by stress.