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BodyTech Elite Altered Strength Stim-Free Preworkout vs GNC Pro Performance Pre-Workout

The verdict

  • BodyTech Elite Altered Strength Stim-Free Preworkout scores 1.8 points higher than GNC Pro Performance Pre-Workout on formula: 45.8 (D tier) vs 44.0 (F tier).
  • Caffeine: 0 mg vs 160 mg.
  • Hidden-blend share is 1.1% for Altered Strength Stim-Free Preworkout and 0% for GNC Pro Performance Pre-Workout.
  • Neither product has a comparable price per clinically dosed serving.
  • Testing: Altered Strength Stim-Free Preworkout has only a brand claim of testing (T4); GNC Pro Performance Pre-Workout is untested.
  • Largest panel dose differences for Altered Strength Stim-Free Preworkout vs GNC Pro Performance Pre-Workout: Betaine Anhydrous: none listed vs 2,500 mg; L-Theanine: none listed vs 200 mg; L-Tyrosine: 500 mg vs none listed.
  • Bottom line: Altered Strength Stim-Free Preworkout has the higher formula score.

Straight from the label math; no editorial picks. We don't earn a commission from store links on this site.

Head-to-head: BodyTech Elite Altered Strength Stim-Free Preworkout vs GNC Pro Performance Pre-Workout
Metric
Altered Strength Stim-Free Preworkout product image
Skipped Leg Day
Pre-Workout product image

GNC Pro Performance

Pre-Workout
🧚 Fairy Dust
Scores
TierD · 45.8 (best)F · 44.0
Overall score37.3 (best)36.1
Dose46.2 (best)44.0
Transparency98.9100.0 (best)
Pump60.0 (best)45.0
Focus75.0 (best)60.0
Endurance66.3 (best)50.0
Caffeine0 mg · 😴 Night Shift160 mg · ⚡ Standard Send
Lowest price$29.99$24.99 (best)
Per clinically dosed serving$2.00 · Underdosed$1.11 · Underdosed
Real servings3 of 3022.5 of 30 (best)
TestingT4 · Brand Claim OnlyUntested
Ingredients (per graded serving)
L-Citrulline (counts toward the tier)4,666.9 mg100% ✓3,000 mg75%
Caffeine (counts toward the tier)missing160 mg80%
Betaine Anhydrous (counts toward the tier)missing2,500 mg100% ✓
L-Tyrosine (counts toward the tier)500 mg50%missing
Taurine (counts toward the tier)100 mg10%missing
L-Theanine (counts toward the tier)missing200 mg100% ✓
Beta-Alanine3,200 mg100% ✓1,600 mg50%
Sodium (Electrolytes)50 mg200 mg
Alpha-GPC300 mg100% ✓—
Ashwagandha root extract (KSM-66)100 mg—
AstraGin25 mg—
Cordycepshidden in blend—
Huperzine A50 mcg100% ✓—
Lion's mane mushroomhidden in blend—
Potassium50 mg—

= best in the row. = part of the ideal pre and counts toward the tier. Percentages are of the clinical reference dose.