Impact Whey

The score explained
evidence, testing and value, weighed before price
Why 8.0 of 10: Provisional: same evidence, best price per gram.
- Great price per gram
- Tested
- 21g slightly low
what the evidence says
Whey protein is one of the best-evidenced supplements in sports nutrition: a large body of human trials shows that adequate daily protein, with whey as a convenient high-quality source, supports muscle growth and strength when combined with resistance training, and helps preserve lean mass in a calorie deficit. The evidence attaches to hitting total daily protein, not to any brand; powder is simply a cheap, consistent way to get there. Impact Whey's case is purely economic: the most protein per dollar of any tested option here, with the same underlying evidence.
Plain-language assessment of the human evidence. No cherry-picked citations.
reviews
Most reviewers take it for strength and report it doing its job quietly. Ratings cluster around 4.5 stars across retailer sites, with few complaints beyond shipping.
Stack this with
SupplementsMyprotein Creatine Monohydrate PowderBoth target strength. Myprotein Creatine Monohydrate Powder covers the nutrient side of strength, a cheap daily base under everything else you do.
SupplementsOptimum Nutrition Gold Standard 100% WheyBoth target strength. Optimum Nutrition Gold Standard 100% Whey covers the nutrient side of strength, a cheap daily base under everything else you do.
FoodFitthree Macro-tracked Meal PlanBoth target strength. Fitthree Macro-tracked Meal Plan handles the food side of strength without you having to think about it.