Cellucor C4 Ultimate vs XXL Nutrition Black Label Pre-Workout
Fair comparison based on price per gram of protein, quality and more.
Verdict
XXL Nutrition Black Label Pre-Workout is the better deal at £0.86/per serving vs £1.66/per serving (48% cheaper).
| Property | ![]() Cellucor C4 Ultimate | ![]() XXL Nutrition Black Label Pre-Workout Best value |
|---|---|---|
| Price | £33.12 | £25.78 |
| Price/serving | £1.66 | £0.86 |
| Servings | 20 | 30 |
| Per scoop | 20.5g | 13g |
| Weight | 410g | 390g |
| Clinical doses | 4 | 4 |
| Value score | 2.4 | 4.7 |
| Calories per shake | 5 kcal | 5 kcal |
| Type | Stimulant | Stimulant |
| Rating | ⭐ 4.5 (0 reviews) | ⭐ 3.8 (143 reviews) |

Cellucor C4 Ultimate
- Price
- £33.12
- Price/serving
- £1.66
- Servings
- 20
- Per scoop
- 20.5g
- Weight
- 410g
- Clinical doses
- 4
- Value score
- 2.4
- Calories per shake
- 5 kcal
- Type
- Stimulant
- Rating
- ⭐ 4.5 (0 reviews)

XXL Nutrition Black Label Pre-Workout
Best value- Price
- £25.78
- Price/serving
- £0.86
- Servings
- 30
- Per scoop
- 13g
- Weight
- 390g
- Clinical doses
- 4
- Value score
- 4.7
- Calories per shake
- 5 kcal
- Type
- Stimulant
- Rating
- ⭐ 3.8 (143 reviews)

Cellucor C4 Ultimate
Premium C4 with 300mg caffeine, 6g citrulline malate, 3.2g beta-alanine, and 3g creatine. Fully clinically dosed — top of the C4 line.
Pros
- ✓ 6g citrulline malate (clinical dose)
- ✓ 3.2g beta-alanine (clinical dose)
- ✓ 300mg caffeine
- ✓ 3g creatine
Cons
- ✗ Only 16 servings per tub
- ✗ Expensive per serving (€2.39)
- ✗ Large serving (24.8g)
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XXL Nutrition Black Label Pre-Workout
Premium pre-workout from XXL Nutrition with 330mg caffeine and extra focus ingredients like tyrosine and EnXtra. High-dosed formula.
Pros
- ✓ 330mg caffeine per serving
- ✓ Extra focus with tyrosine (1000mg)
- ✓ EnXtra & ginseng for mental sharpness
Cons
- ✗ More expensive option
- ✗ No creatine
Rate this product
Via XXL Nutrition★3.8(143 ratings)
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