Head-to-head comparison updated for 2026. See which protein product comes out on top.
| Attribute | ||
|---|---|---|
| Brand | Dymatize | Transparent Labs |
| Protein / serving | 25g | 28gBest |
| Calories / serving | 110Best | 120 |
| Fat / serving | 0.5gBest | 0.5g |
| Carbs / serving | 2g | 1gBest |
| Sugar / serving | 1g | 0gBest |
| Price / serving | $1.03Best | $2.00 |
| Price / gram protein | $0.0411Best | $0.0714 |
| Overall score | 79/100Best | 72/100 |
| Value score | 65/100Best | 40/100 |
| Purity score | 93/100 | 98/100Best |
| Protein source | Whey Isolate | Whey Isolate |
| Sweetener | sucralose | stevia |
| Certifications | Informed Sport | Informed Sport, Non-GMO |
| Dietary tags | Gluten-Free | Gluten-Free, Soy-Free |
| Third-party tested | Yes | Yes |
| 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.
Transparent Labs 100% Grass-Fed Whey Isolate lives up to its name with complete formula transparency and zero artificial ingredients. Each serving packs 28g of protein from 100% grass-fed whey isolate with a remarkable 6.2g of BCAAs and 12g of EAAs, making it one of the most amino-acid-dense protein powders available. It is sweetened exclusively with stevia and contains no soy, gluten, or artificial additives.
Dymatize ISO100 Hydrolyzed edges ahead with an overall score of 79 vs 72. For value, Dymatize ISO100 Hydrolyzed wins with a 65/100 value score.
AI-generated content — verify important details independently.
Last updated: March 2026
