Nutritional supplements are the products used to improve the diet. These products are developed to provide essential nutrients that may otherwise not be consumed in sufficient quantities in the food like proteins, vitamins, minerals, enzymes and other nutritional substances.

These products are usually available in the form of powder, capsules, tablets, pills, liquid or in other forms.

Some of these products also act as “antioxidants”. Antioxidants are natural substances in food that might help to protect you from some diseases. Foods like “Beta-Carotene, Selenium, Vitamin C & E, etc.