Casein Protein

Casein is a slow digesting dairy protein, also known as Night Time Protein, since it is often taken before bed or long periods of fasting. It is considered a slow digesting protein, because it realeses the amino acids found in the protein at a much slower rate than other forms of protein, such as whey and whey protein isolate. 

Supplement your diet with casein protein in order to maintain muscle mass through long periods without eating or protein intake. Try taking whey protein right after a workout and casein protein just before bed to get the best benefits from both!