Pecans are a good source of protein and unsaturated fats such as oleic acid and an excellent source of antioxidants. Pecan nuts are rich source of many phyto-chemical substances that may contribute to their overall antioxidant activity, including polyphenolic antioxidant ellagic acid, vitamin E, beta-carotenes, lutein and zeaxanthin. Research studies have been suggestive of that these compounds help body remove toxic oxygen free radicals and thus, protect body from diseases, cancers as well as infections. Pecans are an excellent source of vitamin-E. The nuts are packed with many important B-complex group of vitamins such as riboflavin, niacin, thiamin, pantothenic acid, vitamin B-6, and folates. Pecans are also rich source of minerals like manganese, potassium, calcium, iron, magnesium, zinc and selenium.