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The value king of whey protein. 21g protein per serving at the lowest price in the tested category. Whey concentrate, not isolate -- but for most people, that is fine.
Impact Whey dominates the value segment. At $0.62/serving, it delivers quality whey protein at roughly half the price of premium isolates. The lower formulation score reflects whey concentrate being less pure than isolate, and the transparency score reflects some past Labdoor findings of minor label discrepancies. For the vast majority of gym-goers meeting daily protein goals, the functional difference from expensive isolates is negligible.
Myprotein Impact Whey uses whey protein concentrate providing 21g protein per serving. Whey concentrate is the least processed whey form -- it retains more lactose and fat but also more bioactive compounds. The protein content per serving is slightly lower than isolate products but the cost savings are substantial. Informed Sport certified in many markets. Labdoor testing has generally confirmed label accuracy with minor variance.
| Ingredient | Dose | Verdict |
|---|---|---|
| Whey Protein Concentrate | 21g protein | Adequate |
| Soy Lecithin | N/A | Adequate |
| Sucralose | N/A | Adequate |
Whey concentrate has higher lactose content -- not ideal for lactose sensitivity. 21g protein per serving is below the 24-28g of competitors. Some Labdoor tests showed minor batch variation. Flavoring systems use artificial sweeteners. Concentrate has more fat and carbs per serving than isolate.
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