Transparent Labs PreSeries LEAN
by Transparent Labs
"Pre-workout designed for cutting — clinical doses with thyroid support, fat oxidation, and zero artificial ingredients"
Overview
Transparent Labs PreSeries LEAN is a pre-workout specifically formulated for cutting phases and fat loss goals. It includes the standard performance ingredients (6g citrulline, 4g beta-alanine, 2g betaine, 300mg caffeine) plus fat-loss specific additions: iodine and selenium for thyroid support, acetyl-L-carnitine for fat oxidation, and chromium for blood sugar regulation. True to their name, Transparent Labs uses a fully transparent label with no proprietary blends — every ingredient and dose is disclosed. Zero artificial sweeteners, colors, or preservatives.
Key Ingredients
| Ingredient | Amount |
|---|---|
| L-Citrulline | 6000 mg |
| Beta-Alanine | 4000 mg |
| Caffeine | 300 mg |
| Acetyl-L-Carnitine | 750 mg |
| Chromium + Iodine + Selenium | Thyroid/metabolism support |
Pros & Cons
What We Like
- Designed specifically for cutting
- Fully transparent label
- Zero artificial ingredients
- Thyroid support included
- Clinical doses throughout
What Could Be Better
- Premium price ($44-52)
- 300mg caffeine (high for some)
- 30 servings only
- Strong beta-alanine tingles (4g)
Who Is This For?
Best For
- Cutting and fat loss phases
- Those wanting clean pre-workout
- Transparent label advocates
- Thyroid and metabolism support
Not Ideal For
- Bulking phases
- Caffeine-sensitive individuals
- Budget pre-workout seekers
Our Verdict
Transparent Labs PreSeries LEAN is the most thoughtfully formulated fat-loss pre-workout available. The thyroid support, fat oxidation ingredients, and zero artificial additives make it unique. For cutting phases, this is the pre-workout to choose.