Optimum Nutrition Gold Standard Pre-Workout vs 5% Nutrition Kill It
Fair comparison based on price per gram of protein, quality and more.
Verdict
Optimum Nutrition Gold Standard Pre-Workout is the better deal at £0.87/per serving vs £1.13/per serving (23% cheaper).
| Property |  Optimum Nutrition Gold Standard Pre-Workout Best value |  5% Nutrition Kill It |
|---|---|---|
| Price | £26.00 | £45.25 |
| Price/serving | £0.87 | £1.13 |
| Servings | 30 | 40 |
| Per scoop | 11g | 8.9g |
| Weight | 330g | 357g |
| Clinical doses | 2 | 1 |
| Value score | 2.3 | 0.9 |
| Calories per shake | 10 kcal | 5 kcal |
| Type | Stimulant | Stimulant |
| Rating | ⭐ 4.3 (0 reviews) | ⭐ 4.2 (0 reviews) |
Optimum Nutrition Gold Standard Pre-Workout
Best value- Price
- £26.00
- Price/serving
- £0.87
- Servings
- 30
- Per scoop
- 11g
- Weight
- 330g
- Clinical doses
- 2
- Value score
- 2.3
- Calories per shake
- 10 kcal
- Type
- Stimulant
- Rating
- ⭐ 4.3 (0 reviews)
5% Nutrition Kill It
- Price
- £45.25
- Price/serving
- £1.13
- Servings
- 40
- Per scoop
- 8.9g
- Weight
- 357g
- Clinical doses
- 1
- Value score
- 0.9
- Calories per shake
- 5 kcal
- Type
- Stimulant
- Rating
- ⭐ 4.2 (0 reviews)
Optimum Nutrition Gold Standard Pre-Workout
Optimum Nutrition's pre-workout with 175mg caffeine, 3g creatine, and 1.5g citrulline. Mild but reliable — ideal for beginners who trust ON.
Pros
- ✓ 175mg caffeine (mild, good for beginners)
- ✓ 3g creatine monohydrate
- ✓ ON quality and reputation
- ✓ 30 servings
Cons
- ✗ 1.5g citrulline (far below clinical dose)
- ✗ 1.5g beta-alanine (below clinical dose)
- ✗ Less powerful than competitors
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5% Nutrition Kill It
Pre-workout from Rich Piana's 5% Nutrition with creatine, citrulline, and caffeine. Broad spectrum but lower individual dosages.
Pros
- ✓ Broad ingredient spectrum
- ✓ Contains creatine (1.25g)
- ✓ Affordable per serving
Cons
- ✗ Underdosed on most ingredients
- ✗ 800mg beta-alanine is low
- ✗ 2.5g citrulline below clinical dose
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