Mass gainer is really useful for people who want to gain weight. Usually mass gainer supplements are rich in carbohydrates and fats and contain a less amount of protein. Mass gainer increases the daily calorie intake and promotes weight gain.
Biotin, also known as vitamin B7 or coenzyme R is a water-soluble vitamin and a member of the vitamin B complex family. It is essential for healthy hair, nails, and skin. It also helps in the metabolism process of carbohydrates, proteins, and fats.
Whey protein is a mixture of protein, that is isolated from the watery portion of the milk. It is easily digestible and has many potential health benefits. It helps to gain muscle and lose a significant amount of weight.