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#1 in Pre-Workout Third-Party Tested

Transparent Labs PreSeries BULK V4 Pre-Workout

by Transparent Labs

"21 clinically dosed ingredients with 8g citrulline + 4g beta-alanine + 200mg caffeine — the most transparent pre-workout on the market"

Amazon Rating
4.4/5
Reviews
2,800+
Price Range
$49-56
Servings
30 servings
Informed SportGMP Certified
Our Editorial Rating
9.0
Excellent
FormPowder
CategoryPre-Workout
SubcategoryPre-Workout (Transparent Label, Clinical Doses)
View on Amazon

Overview

Transparent Labs PreSeries BULK V4 is the latest iteration of their flagship pre-workout, providing 21 ingredients at clinical doses with zero proprietary blends. Key ingredients include 8g citrulline malate (full clinical dose), 4g beta-alanine, 4g BetaPure betaine, 300mg AlphaSize Alpha-GPC, 200mg caffeine (moderate), 100mg theanine (for smooth energy), and 50mg Senactiv (for ATP regeneration). The V4 update added Senactiv and increased the Alpha-GPC dose. Every ingredient amount is disclosed on the label — the brand's core philosophy.

Key Ingredients

4 ingredients linked to detailed encyclopedia profiles

Pros & Cons

What We Like

  • 21 clinical doses
  • 8g citrulline (full dose)
  • Zero proprietary blends
  • 200mg caffeine (moderate)
  • Theanine for smooth energy

What Could Be Better

  • Premium price ($49+)
  • 30 servings
  • Large scoop size
  • 2,800+ reviews (direct sales focused)

Who Is This For?

Best For

  • Transparent label seekers
  • Those wanting clinical doses
  • Moderate caffeine users
  • Science-based pre-workout fans

Not Ideal For

  • Budget seekers
  • Those wanting high stimulant
  • Those wanting small scoop
  • Those wanting 60+ servings

Our Verdict

9.0/10 — Excellent

Transparent Labs BULK V4 is the gold standard for transparent pre-workouts — 21 ingredients at clinical doses with zero proprietary blends. The 8g citrulline and 4g betaine set the benchmark; the 200mg caffeine + theanine provides smooth, focused energy.

Alternatives to Consider

No direct alternatives listed for this product yet.