Whey protein isolate is a dietary supplement and food ingredient created by separating components from whey. It contains a higher percentage of pure protein than whey concentrates and whey hydrolysates. It can be pure enough to be virtually lactose free, carbohydrate free, fat free, and cholesterol free.

Whey protein concentrate is a common bodybuilding supplement. Its main purpose is to increase dietary protein intake for maximizing muscle hypertrophy. It is generally low in fat and cholesterol and high in bioactive compounds and carbohydrates such as lactose.

AstraGin is a plant-derived compound that promotes absorption, intestinal wall regeneration, microbiota population, and immune function. It aids in the absorption of amino acids by multiplying the amount of transporter mRNA molecules in the body. It is commonly used together with supplements like creatine, L-Arginine, and L-Citrulline for optimal absorption.