Note: different product types
You're comparing products of different types (e.g. isolate vs concentrate). This makes a fair comparison difficult.
Optimum Nutrition 100% Whey Gold Standard vs ESN Iso Whey Protein
Fair comparison based on price per gram of protein, quality and more.
Verdict
Optimum Nutrition 100% Whey Gold Standard is the better deal at £0.044/g
| Property | ![]() Optimum Nutrition 100% Whey Gold Standard Best value | ![]() ESN Iso Whey Protein |
|---|---|---|
| Price | £78.47 | £43.51 |
| Weight | 2270g | 908g |
| Price per gram protein | £0.044 | £0.058 |
| Price per kg | £34.57 | £47.92 |
| Protein per shake | 24g | 25g |
| Protein percentage | 78% | 83% |
| Calories per shake | 120 kcal | 107 kcal |
| Type | Blend | Isolate |
| Servings | 74 | 30 |
| Rating | 4.7 (15420 reviews) | 4.5 (80142 reviews) |

Optimum Nutrition 100% Whey Gold Standard
Best value- Price
- £78.47
- Weight
- 2270g
- Price per gram protein
- £0.044
- Price per kg
- £34.57
- Protein per shake
- 24g
- Protein percentage
- 78%
- Calories per shake
- 120 kcal
- Type
- Blend
- Servings
- 74
- Rating
- 4.7 (15420 reviews)

ESN Iso Whey Protein
- Price
- £43.51
- Weight
- 908g
- Price per gram protein
- £0.058
- Price per kg
- £47.92
- Protein per shake
- 25g
- Protein percentage
- 83%
- Calories per shake
- 107 kcal
- Type
- Isolate
- Servings
- 30
- Rating
- 4.5 (80142 reviews)

Optimum Nutrition 100% Whey Gold Standard
Iconic Gold Standard whey. Worldwide bestseller, proven quality.
Pros
- ✓ Iconic brand
- ✓ Proven quality
- ✓ Good taste
Cons
- ✗ Premium price
Rate this product
Via Optimum Nutrition★4.7(15,420 ratings)
100%Via WheyWijzerNo community ratings yet
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ESN Iso Whey Protein
ESN whey isolate. Low in carbs and fat, high in protein.
Pros
- ✓ 90% protein
- ✓ Low fat
- ✓ German quality
Cons
- ✗ Fewer flavors
Rate this product
Via ESN★4.5(80,142 ratings)
100%Via WheyWijzerNo community ratings yet
0%Is this product good?