GNC Pro Performance Pre-Workout
GNC Pro Performance Pre-Workout is a pre-workout with 160 mg caffeine per serving. StimIndex grades it F tier (44.0/100, methodology v2.10.1). Third-party testing: none on file. It isn't clinically dosed, so there's no fair price per clinically dosed serving (lowest price $24.99, checked Oct 2, 2026).
The label math says this one is mostly hope.
Flavor / size
Tropical Fruit Punch: No artificial dyes.
- Per serving
- $0.83
- 30 servings on the tub
- Per effective serving
- $1.11
- one clinically dosed serving
Lowest price we found: $24.99 at 1 of 1 stores · checked 2026-10-02 · prices vary by store
We don't earn a commission from store links on this site.
How we got this tier
How much of the ideal pre this delivers at clinical doses. Missing ingredients, or ones under 80% of their dose, count as 0.
Fully disclosed— every active amount is on the label.
Electrolytes vs. a 300 mg sodium reference. Doesn't affect the tier.
Label math
Scored ingredient totals from the current run, the yield-adjusted actual amount, and the clinical dose we compared it to.
| Category | Ingredient | Label | Yield | Actual | Reference | % of dose | Source |
|---|---|---|---|---|---|---|---|
| Endurance | EnduranceBeta-Alanine | Beta-Alanine 1.6g1,600 mg | ×1 | 1,600 mg | 3,200 mg | 50%builds up with daily use; not in the tier | |
| Strength | StrengthBetaine Anhydrous (counts toward the tier) | Betaine Anhydrous 2.5g2,500 mg | ×1 | 2,500 mg | 2,500 mg | 100% ✓ | |
| Energy | EnergyCaffeine (counts toward the tier) | Caffeine 160mg160 mg | ×1 | 160 mg | 200 mg | 80% | |
| Pump | PumpL-Citrulline (counts toward the tier) | L-Citrulline 3g3,000 mg | ×1 | 3,000 mg | 4,000 mg | 75%under 80%: no credit | |
| Focus | FocusL-Theanine (counts toward the tier) | L-Theanine 200mg200 mg | ×1 | 200 mg | 100 mg | 100% ✓ | |
| Hydration | HydrationSodium (Electrolytes) | Sodium 200mg200 mg | ×1 | 200 mg | 300 mg | scored under Salty; excluded from Dose |
Energy Pump Endurance Strength Focus Hydration
= part of the ideal pre and counts toward the tier. Everything else is shown for the record.
Where the points went
- 100.0Perfect pre-workout
- Pump−30.0L-Citrulline: 75% of 4,000 mg; under 80% earns nothingreference (opens in new window)
- Focus−10.0L-Tyrosine: not on the label (reference 1,000 mg)reference (opens in new window)
- Endurance−10.0Taurine: not on the label (reference 1,000 mg)reference (opens in new window)
- Energy−6.0Caffeine: 80% of 200 mgreference (opens in new window)
- 44.0Formula score
Scoring notes 11 electrolyte scored under Salty
Scored elsewhere
- sodium is marked electrolyte; excluded from dose score and scored under Salty
Show full nutrition label for Tropical Fruit Punch
Supplement Facts
Serving columns: 1 scoop (11.3 g)
Servings Per Container: 1 scoop: 30
| Nutrient | 1 scoop |
|---|---|
| Calories | 5 kcal |
| Total Carbohydrate | 0 g (0%) |
| Sodium | 200 mg (9%) |
| Magnesium | 105 mg (25%) |
| Potassium | 100 mg (2%) |
| sodium | 200 mg |
| potassium | 100 mg |
| magnesium | 105 mg |
| L-Citrulline | 3g |
| Betaine Anhydrous | 2.5g |
| Beta-Alanine | 1.6g |
| L-Theanine | 200mg |
| Caffeine | 160mg |
Only nutrients printed on the captured Supplement Facts panel are shown; omitted calories, carbohydrates, vitamins, or minerals were not listed on that label.
Other Ingredients for Tropical Fruit Punch
Citric acid, natural flavors, sucralose, silicon dioxide, calcium silicate.
Artificial dyes: None
Sweeteners: sucralose
Label captured Oct 2, 2026 from the manufacturer's label (opens in new window). Human review of this label is pending.
Lowest-available price history
Lowest in-stock price found per week, across every tracked store except Amazon.
Not enough weekly price history yet to chart a trend.
Compare GNC Pro Performance Pre-Workout with other pre-workouts
- GNC Pro Performance Pre-Workout vs Cellucor C4 Ultimate Pre-WorkoutF tier · Formula score 40.0
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