Standing in the supplement aisle of a grocery store is the ‘Charlie and the Chocolate Factory’ moment for most lifters.

Protein powders are the most popular supplement in the sports nutrition segment.

And why wouldn’t they be? They promise bigger muscles, faster recovery, and better performance within a few weeks. There is virtually no other supplement that can deliver this holy trifecta.

However, choosing a protein supp can be overwhelming, as you can choose between a concentrate, isolate, and casein option. As a personal trainer with over 17 years of hands-on experience, I see this confusion daily.

In this article, I’ll break down the protein-picking dilemma into an easy step-by-step decision-making process by comparing concentrate, isolate, and casein head-to-head. You will also lea

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