Note: different product types
You're comparing products of different types (e.g. isolate vs concentrate). This makes a fair comparison difficult.
Bulk Pure Whey Protein vs Optimum Nutrition Gold Standard 100% Isolate
Fair comparison based on price per gram of protein, quality and more.
Verdict
Bulk Pure Whey Protein is the better deal at £0.027/g
| Property | ![]() Bulk Pure Whey Protein Best value | ![]() Optimum Nutrition Gold Standard 100% Isolate |
|---|---|---|
| Price | £51.83 | £61.90 |
| Weight | 2500g | 930g |
| Price per gram protein | £0.027 | £0.080 |
| Price per kg | £20.73 | £66.56 |
| Protein per shake | 23g | 25g |
| Protein percentage | 76% | 83% |
| Calories per shake | 117 kcal | 100 kcal |
| Type | Concentrate | Isolate |
| Servings | 83 | 31 |
| Rating | 4.4 (11515 reviews) | 4.8 (4800 reviews) |

Bulk Pure Whey Protein
Best value- Price
- £51.83
- Weight
- 2500g
- Price per gram protein
- £0.027
- Price per kg
- £20.73
- Protein per shake
- 23g
- Protein percentage
- 76%
- Calories per shake
- 117 kcal
- Type
- Concentrate
- Servings
- 83
- Rating
- 4.4 (11515 reviews)

Optimum Nutrition Gold Standard 100% Isolate
- Price
- £61.90
- Weight
- 930g
- Price per gram protein
- £0.080
- Price per kg
- £66.56
- Protein per shake
- 25g
- Protein percentage
- 83%
- Calories per shake
- 100 kcal
- Type
- Isolate
- Servings
- 31
- Rating
- 4.8 (4800 reviews)

Bulk Pure Whey Protein
Basic whey concentrate. Excellent value for money.
Pros
- ✓ Great price
- ✓ 82% protein
- ✓ Many flavors
Cons
- ✗ Standard whey
Rate this product
Via Bulk★4.4(11,515 ratings)
100%Via WheyWijzerNo community ratings yet
0%Is this product good?

Optimum Nutrition Gold Standard 100% Isolate
Ultra-pure whey isolate with 25g protein per serving. Fast-absorbing, low in fat and sugar.
Pros
- ✓ 25g pure whey isolate
- ✓ Fast absorbing
- ✓ Low in fat and sugar
Cons
- ✗ Premium price
Rate this product
Via Optimum Nutrition★4.8(4,800 ratings)
100%Via WheyWijzerNo community ratings yet
0%Is this product good?