Head-to-head comparison updated for 2026. See which protein product comes out on top.
| Attribute | ||
|---|---|---|
| Brand | Dymatize | MyProtein |
| Protein / serving | 25gBest | 21g |
| Calories / serving | 110 | 103Best |
| Fat / serving | 0.5gBest | 1.9g |
| Carbs / serving | 2g | 1gBest |
| Sugar / serving | 1gBest | 1g |
| Price / serving | $1.03 | $0.45Best |
| Price / gram protein | $0.0411 | $0.0214Best |
| Overall score | 79/100Best | 78/100 |
| Value score | 65/100 | 95/100Best |
| Purity score | 93/100Best | 78/100 |
| Protein source | Whey Isolate | Whey Concentrate |
| Sweetener | sucralose | sucralose |
| Certifications | Informed Sport | None |
| Dietary tags | Gluten-Free | Gluten-Free |
| Third-party tested | Yes | No |
| Buy on Amazon | Buy on Amazon |
Dymatize ISO100 is one of the highest-quality whey protein isolates on the market. What sets it apart is the hydrolysis process, which pre-breaks down the protein into smaller peptides for faster absorption. Each serving delivers 25g of protein with only 110 calories, 0.5g of fat, and 2g of carbs, making it one of the leanest protein options available.
MyProtein Impact Whey Protein is the go-to choice for anyone seeking maximum protein value without breaking the bank. With 100 servings per 5.5 lb bag at just $0.45 per serving, it delivers the lowest cost per gram of protein among major brands. Each 25g scoop provides 21g of protein with only 103 calories, giving it an impressive 84% protein-by-weight ratio for a concentrate.
Dymatize ISO100 Hydrolyzed edges ahead with an overall score of 79 vs 78. For value, MyProtein Impact Whey Protein wins with a 95/100 value score.
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Last updated: March 2026
