Whey concentrate and isolate are both a by-product of cheese-making but the latter is more filtered. As mentioned above, isolate has a higher protein content with less fat, carbohydrate and lactose.

Manufacturers make protein powder from many different animal and plant sources. Whey protein is one of the most popular types. It’s protein isolated from cow’s milk, so it’s animal-based.

Whole food protein sources will add other nutrients to your diet that a protein isolate will not. For example, eating chicken gives you protein as well as vitamin B12, zinc and iron.

Emily Hulse, MS, RD | Apr 11, 2023 Whey Protein Concentrate vs. Whey Isolate: How Are They Different and Which One is Right for You? / ...