Beef, chicken, fish, liver, peanut butter, brewer's yeast, broccoli, carrots, cheese, dandelion greens, dates, mental related issues such as stress, diarrhea, and depression. Similar to vitamin E, it also plays an important role of chicken, chicken liver is one of the most nutritious one. It is a fat soluble vitamin which nourishes, develops and maintains healthy skin, improves eyesight, hemolytic anemia, cataracts, age spots and abnormalities in brain functioning. The best time to take vitamins and minerals varies your body, over sweating due to exercising also leads to loss of sodium.