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Transparent Labs BULK Pre-WorkoutCellucor C4 Original Pre-Workout

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Read our full Transparent Labs BULK Pre-Workout vs Cellucor C4 Original Pre-Workout comparison — verdict, winners by criterion and FAQ
Side-by-side comparison of Transparent Labs BULK Pre-Workout, Cellucor C4 Original Pre-Workout
Transparent Labs BULK Pre-Workout

Transparent Labs

BULK Pre-Workout

Best Overall

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Cellucor C4 Original Pre-Workout

Cellucor

C4 Original Pre-Workout

Best Budget

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FR ScoreFR Score 9.0 out of 10, ExceptionalTOPFR Score 8.1 out of 10, Great
Formula & Dosing9.4 (best)7.4
Quality & Transparency9.5 (best)7.6
Taste & Mixability8.3 (best)8.2
Value per Serving8.69.3 (best)
Typical price~$49.99~$34.99
Video reviews5 videos4 videos
Pros
  • Fully disclosed formula with 8 g citrulline malate, 4 g beta-alanine and 2.5 g betaine
  • Moderate 200 mg caffeine balanced with 200 mg L-theanine
  • Informed Choice certified, with batch test results published
  • Among the cheapest name-brand pre-workouts (about $0.62–$0.80 per serving)
  • Moderate caffeine suits beginners (150–200 mg depending on formula)
  • Wide flavor range and available almost everywhere
Cons
  • Stevia-sweetened flavors are milder than candy-style pre-workouts
  • Pricier per serving than mass-market brands
  • Strong beta-alanine tingles for newcomers
  • Light citrulline and beta-alanine doses compared with premium formulas
  • Two formulas on the market (150 mg vs 200 mg caffeine) can confuse buyers
  • Uses sucralose and acesulfame potassium
Caffeine per serving200 mg (organic PurCaf) plus 50 mg theobromine—
L-citrulline malate (2:1)8 g—
Beta-alanine4 g2 g CarnoSyn (current label)
Betaine anhydrous2.5 g—
Focus ingredients1 g L-tyrosine, 300 mg alpha-GPC, 200 mg L-theanine—
SweetenerStevia (no artificial sweeteners or dyes)—
Servings30 per tub30 per tub (60-serving tubs also sold)
Third-party testingInformed Choice certified; batch results published—
Caffeine—200 mg on Cellucor's current label (older stock: 150 mg)
L-citrulline / L-arginine—1.2 g / 1.2 g
Creatine nitrate—1 g
Serving size—8.9 g (about 1 level scoop)
Sweeteners—Sucralose, acesulfame potassium
Sugar and calories—0 g sugar, 10 calories per serving

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