Top 10 Whey Protein Powders
These are the UK’s most popular whey protein powders — ranked by real Amazon sales, trusted reviews, and nutritional quality. Updated monthly so you can shop with confidence.
- ✅ Updated July 2025
- 🏆 Amazon UK Bestsellers
- 🔍 Evidence‑Based Reviews
Jamie’s Tip: Whey isolate is ultra‑filtered and low in lactose — great for lean goals or if you’ve got a sensitive stomach.
See Rankings ↓
1
BestsellerGluten Free
Optimum Nutrition
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Standard Protein Glutamine
★★★★★
Whey Isolate | 24 g Protein | 5.5 g BCAAs | 4 g Glutamine | Gluten‑Free
3
Low Sugar
Warrior Whey
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Protein Powder 500g
★★★★★
Whey Concentrate Blend | 35 g Protein per 50 g | Low Sugar | Milk‑Based
5
Low Carb
PhD
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Nutrition Protein Belgian Chocolate
★★★★★
Whey/Micellar Casein Blend | 35 g Protein | <7 g Carbs | CLA & L‑Carnitine
6
VeganGluten Free
Free Soul
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Formulated Nutrients Nutrition
★★★★★
Pea & Hemp Protein | 20 g Protein | Gluten‑ & Dairy‑Free | 11 Vitamins & Superfoods
8
BudgetVegetarian
PBN Premium
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Nutrition Protein Improved
★★★★★
Whey Protein | ~23.5 g Protein | Vegetarian | Budget-Friendly
9
Low Carb
Warrior Muscle
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Building Protein Chocolate
★★★★★
Whey Blend | Up to 36 g Protein per Serving | Low Carb | GMP Certified
10
Mass Gainer
Bulk Protein
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Company Serious Gainer
★★★★★
High-Calorie Mass Gainer | ~3,000 kcal per 60 g | Carb‑Rich | For Hard Gainers
Best Selling Whey Protein Powders (Compared Side by Side)
| 🥇 Optimum Gold Standard | 🥈 Bulk Pure Whey | 🥉 MyProtein Impact Whey | |
|---|---|---|---|
| Protein (g) | 24g | 22g | 21g |
| Calories | 120 kcal | 110 kcal | 103 kcal |
| Price/kg | £24/kg | Best Value £19/kg | £18/kg |
| Protein Type | Isolate Blend | Concentrate | Concentrate |
| Sugar Level | Low | Moderate | Low |
| Carbs (g) | 3g | 4g | 2g |
| Servings | 28 | 33 | 40 |
| Protein % | 80% | 77% | 71% |
| Prime | Prime | Prime | Prime |
| Rating | 4.6/5 | 4.0/5 | 4.3/5 |
| Overall | Excellent | Excellent | Good |
| Best For | Lean Goals | Budget Pick | Low Lactose |
| View Product → | View Product → | View Product → |
FAQs
What’s the difference between whey isolate and concentrate?
Isolate is more refined, with higher protein and lower carbs/fats — ideal for cutting or sensitivity.
Can I take whey every day?
Yes, it's safe for daily use and fits well into most training plans.
Is whey good for weight loss?
When combined with calorie control, whey can support fat loss by preserving muscle and promoting fullness.
How soon after a workout should I take it?
Within 30–60 minutes is ideal for recovery, but consistency is more important than timing.
Want a plant‑based protein that performs? Discover the best vegan blends for strength, recovery, and digestion.
See Top 10 Vegan Proteins →