Best Protein Powders UK 2026
Updated October 2026 · 313 protein powders ranked
We scored every protein powder sold in the UK on one public formula — how much of its calories come from protein. Whey, casein, isolate and plant-based blends, all ranked on the same scale. Here are the most protein-efficient powders you can buy.
Our top 3 picks
Full ranking — top 10
| # | Product | Protein /100g | Kcal /100g | Score | Grade |
|---|---|---|---|---|---|
| 1 | MyProtein Collagen Protein Unflavoured 600gMyProtein | 100g | 400 | 100 | 100A |
| 2 | MyProtein Collagen Protein Chocolate 630gMyProtein | 96g | 400 | 100 | 100A |
| 3 | MyProtein Collagen Protein Vanilla 630gMyProtein | 95g | 397 | 100 | 100A |
| 4 | Vilgain Hydrolysed Fish Collagen Unflavoured 250gVilgain | 95g | 381 | 100 | 100A |
| 5 | Clear Whey Isolate — Blue RaspberryWarrior | 90g | 374 | 100 | 100A |
| 6 | ALLMAX ISOFLEX Chocolate 907gALLMAX | 90g | 400 | 100 | 100A |
| 7 | Bulk Clear Protein Lemon Iced Tea 400gBulk | 90g | 374 | 100 | 100A |
| 8 | Bulk Clear Protein Peach Iced Tea 400gBulk | 90g | 374 | 100 | 100A |
| 9 | ALLMAX ISOFLEX Chocolate Mint 908gALLMAX | 90g | 400 | 100 | 100A |
| 10 | Bulk Clear Protein Cola 400gBulk | 90g | 374 | 100 | 100A |
How we rank
Every protein powder is scored 0–100 on the share of its calories that come from protein — the same public formula across the whole site. Rankings update automatically as new products are verified. Read the full methodology →
Frequently asked
What is the highest-protein protein powder in the UK?
By protein-per-calorie efficiency, the MyProtein Collagen Protein Unflavoured 600g by MyProtein currently leads our ranking with a score of 100/100 (100g protein per 100g).
How do you rank the best protein powders?
Every product is scored 0–100 on the share of its calories that come from protein — one public formula applied to the full UK nutrition label. No sponsored placements; the ranking recalculates automatically as new products are added.
How often is this ranking updated?
Automatically — every time a new protein powder is verified and added to the directory, the ranking recalculates. The date at the top of this page shows the last update.
