Top 10 Whey Proteins
Our editors analyse the UK's leading whey protein powders, evaluating formulation, nutrition, suitability and value. This guide explains the strengths and limitations of each product to help you choose the best match for your goals.
Editor’s quick picks
- Top pick:Optimum Nutrition Gold Standard 100% Whey Protein
- Best value:BULK POWDERS Protein Powder Vanilla
- Best for flavour range:Warrior Whey Protein Powder 500g

Gold Standard 100% Whey Protein

Protein Powder Vanilla

Protein Powder 500g

Impact Whey Protein Vanilla

Nutrition Protein Belgian Chocolate

Formulated Nutrients Nutrition

Clear Isolates Peach

Nutrition Protein Improved

Building Protein Chocolate

Company Serious Gainer
Side-by-side comparison
| 🥇 Optimum Nutrition Gold Standard 100% Whey Protein | 🥈 Bulk Pure Whey Protein Powder Vanilla | 🥉 Warrior Whey Protein Powder 500g | |
|---|---|---|---|
| Protein (g) | 24g | 23g | 18g |
| Calories | 120 kcal | 113 kcal | 97 kcal |
| Type | Isolate & Concentrate Blend | Concentrate | Concentrate & Milk Protein |
| Texture | Milkshake‑like & smooth | Creamy & smooth | Smooth & light |
| Sweetener | Acesulfame K & Sucralose | Sucralose | Sucralose |
| Sugar Level | Low | Low | Low |
| Carbs Level | Low | Low | Low |
| Fat Level | Low | Low | Low |
| Fibre Level | Low | Low | Low |
| Servings | 28 | 33 | 20 |
| Extras | Isolate, Concentrate & Peptides; 5.5 g BCAAs & 4 g Glutamine | Whey Concentrate with BCAAs & Glutamic Acid | Concentrate & Milk Protein; High Protein per 50 g serving |
| Value for money | 3.5/5 | Best Value 4.0/5 | 4.0/5 |
| Overall | Excellent | Excellent | Good |
| Best for | Lean Goals | Budget Pick | Low Sugar |
| View Product → | View Product → | View Product → |
Serving figures and supporting notes are based on published product information at the time of writing. Any value-for-money scores shown are editorial judgements, not customer ratings.
FAQs
What’s the difference between whey isolate and concentrate?
Whey isolate is more processed to remove more carbohydrates and fats, while whey concentrate retains more of these nutrients. Choose based on your dietary preferences or tolerance.
Can I take whey every day?
Whey can be used daily if it fits your dietary needs. Always follow the serving instructions on the label and consider total protein intake from all sources.
Is whey good for weight loss?
Whey provides protein that can contribute to feeling fuller for longer when part of a balanced diet. For weight management, overall calorie intake matters more than any single ingredient.
How soon after a workout should I take it?
There’s no universal rule about exact timing. Many people consume protein around their workouts, but meeting your daily protein needs and following the product’s serving suggestions is most important.
Want a plant‑based protein that performs? Discover the best vegan blends for strength, recovery, and digestion.
See Top 10 Vegan Proteins →