Note: different product types
You're comparing products of different types (e.g. isolate vs concentrate). This makes a fair comparison difficult.
Optimum Nutrition Gold Standard 100% Isolate vs XXL Nutrition Whey Protein Zero
Fair comparison based on price per gram of protein, quality and more.
Verdict
Optimum Nutrition Gold Standard 100% Isolate is the better deal at $0.036/g
| Property |  Optimum Nutrition Gold Standard 100% Isolate Best value |  XXL Nutrition Whey Protein Zero |
|---|---|---|
| Price | $27.79 | $43.31 |
| Weight | 930g | 1000g |
| Price per gram protein | $0.036 | $0.055 |
| Price per kg | $29.88 | $43.31 |
| Protein per shake | 25g | 24g |
| Protein percentage | 83% | 79% |
| Calories per shake | 100 kcal | 115 kcal |
| Type | Isolate | Concentrate |
| Servings | 31 | 33 |
| Rating | 4.8 (4800 reviews) | 4.8 (4 reviews) |
Optimum Nutrition Gold Standard 100% Isolate
Best value- Price
- $27.79
- Weight
- 930g
- Price per gram protein
- $0.036
- Price per kg
- $29.88
- Protein per shake
- 25g
- Protein percentage
- 83%
- Calories per shake
- 100 kcal
- Type
- Isolate
- Servings
- 31
- Rating
- 4.8 (4800 reviews)
XXL Nutrition Whey Protein Zero
- Price
- $43.31
- Weight
- 1000g
- Price per gram protein
- $0.055
- Price per kg
- $43.31
- Protein per shake
- 24g
- Protein percentage
- 79%
- Calories per shake
- 115 kcal
- Type
- Concentrate
- Servings
- 33
- Rating
- 4.8 (4 reviews)
Optimum Nutrition Gold Standard 100% Isolate
Ultra-pure whey isolate with 25g protein per serving. Fast-absorbing, low in fat and sugar.
View at Amazon.com →Rate this product
Via Optimum Nutrition★4.8(4,800 ratings)
100%Via WheyWijzerNo community ratings yet
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XXL Nutrition Whey Protein Zero
Lactose-free whey concentrate. Ideal for lactose intolerance.
View at Xxlnutrition →Rate this product
Via XXL Nutrition★4.8(4 ratings)
100%Via WheyWijzerNo community ratings yet
0%Is this product good?