Transparent Labs PreSeries BULK
by Transparent Labs
"The gold standard for fully-dosed, transparent pre-workout formulas"
Overview
Transparent Labs PreSeries BULK is widely considered the best pre-workout for serious lifters who want clinical doses of every ingredient. Each serving delivers 8g citrulline malate, 4g beta-alanine, 200mg caffeine, 2.5g betaine, 1.3g taurine, and more — all at research-backed doses with zero proprietary blends. The formula is free from artificial sweeteners, colors, and preservatives.
Key Ingredients
Pros & Cons
What We Like
- Every ingredient at clinical doses
- Fully transparent label — zero proprietary blends
- No artificial sweeteners or colors
- 8g citrulline malate — massive pump
- Informed Sport certified
- 200mg caffeine — strong but not excessive
What Could Be Better
- Premium pricing ($49-54)
- Large scoop size (21g)
- Fewer flavor options than mainstream brands
- Stevia taste is polarizing
Who Is This For?
Best For
- Serious lifters wanting clinical doses
- Those who value ingredient transparency
- Clean-ingredient enthusiasts
Not Ideal For
- Budget pre-workout buyers
- Those who prefer small scoops
- People who dislike stevia
Our Verdict
Transparent Labs PreSeries BULK is the pre-workout that other pre-workouts should aspire to be. Every ingredient is dosed at or above clinical thresholds, and the fully transparent label means you know exactly what you're getting. The premium price is justified by the premium formula.