What does WPI stand for?

There are conflicting opinions on what is the best protein and when is the best time to take it, but most agree that whey protein isolate for pre and post workout provides you the most benefit.

Approximately 280 consumers evaluated a variety of drinks: eight pre-workout sport drinks containing natural berry or tropical fruit flavor protein--whey protein isolate or whey protein concentrate--and carbohydrate (sucrose or glucose); and eight post-workout drinks containing a lemon-lime or fruit mix fruit flavor, whey protein isolate or concentrate, and carbohydrate (sucrose or glucose).

Open-labeled pilot study of cysteine-rich whey protein isolate supplementation for nonalcoholic steatohepatitis patients.

UF/MF whey protein isolate utilizes special processing methods that do not damage or denature whey protein peptides.

Lastly, lactose intolerant individuals must consume whey protein isolate rather than the normal variety as the former has less lactose content.

Protein Powders: Whey protein isolate is the best fast acting protein to aid in repair and growth of muscle tissue after an intense training session.

For example, the emergence and growth in consumption of sports nutrition products across Western Europe has had a knock on effect in sales of whey protein concentrates and whey protein isolates.

With the higher manufacturing costs, you should also expect to pay more for a whey protein isolate powder.