Impact Whey Protein Powder - 405G - 15servings Review
We review this Myprotein product using our own data (price history, nutrition facts, category comparison). We don't claim hands-on experience; we only present the objective data we have, openly.

Cost per serving and protein cost are based on the 27 g serving Myprotein states for this product; we don't assume a standard serving. When a brand gives no serving size, these fields stay empty.
Price history, last 30 days
What we measured about this product
Every row in this table comes from our own data: the price history we collect regularly from Myprotein and the numbers on the product label. We don't republish the brand's marketing copy here.
| Category | Protein Powder |
|---|---|
| Package | 405 g |
| Servings per package | 15 servings (405 g ÷ 27 g serving) |
| Serving size | 27 g |
| Cost per serving | £1.00 |
| Protein per serving | 20 g |
| Protein density | 74% (how much of a serving is protein) |
| Cost of 30 g of protein | £1.50 |
| Reference price we measured | £19.49 — the current price is 23% below it |
| 30-day trend | The current price is the lowest we measured in the last 30 days |
| Customer rating on Myprotein | 4.64 out of 5 (29585 reviews) |
| What Myprotein shows on its own site | Was £20.99, 28.5% off (the store's claim, not our verification) |
Nutrition Facts
| Serving Size | 27g |
|---|---|
| Energy | 432kJ / 102kcal |
| Fat | 1.6g |
| of which saturates | 1.0g |
| Carbohydrate | 2.1g |
| of which sugars | 1.3g |
| Protein | 20g |
| Salt | 0.12g |
Best Value per Serving in Protein Powder
| Product | Price | Per serving | Cost of 30 g protein | |
|---|---|---|---|---|
| Best Vegan Protein Powder - 1kg (40 Servings) BEST | £9.99 | £0.25 | — | Compare → |
| Pea Protein Isolate - 5kg Bulk | £66.99 | £0.40 | £0.50 | Compare → |
| Brown Rice Protein - 2.5kg Bulk | £34.99 | £0.42 | £0.52 | Compare → |
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