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GGR Score: 4.16
Product Highlights
- Formulated for those looking to lose weight but maintain muscle mass
- 14 grams of evidence-based ingredients
- Naturally flavored and sweetened with Stevia
- Available in 9 different flavors
- Backed by a 60-day money-back guarantee
In-Depth Review
Transparent Labs LEAN Review (2026): The Best Pre-Workout for Cutting?
Author: Destini Moody, RD, CSSD, LDIn this Transparent Labs LEAN review, we tested out and rated our experience using this pre-workout that also doubles as a fat burner. Read the full review.
Pros & Cons
Pros
- Includes vitamins/micronutrients to support thyroid production
- High levels of citrulline to increase oxygen delivery to muscles
- No artificial sweeteners
- No artificial colors
- 60-day money-back guarantee
Cons
- Bitter and unpleasant taste for some consumers
- Several reports of receiving wrong item
Specs
| Serving Suze | 14.2g (1 scoop) |
|---|---|
| Citrulline | 6 g citrulline malate |
| Servings Per Container | 30 |
| Third-party Tested | Yes |
| Caffeine Content | 220mg total |
| Beta-Alanine | 2 g |
| Price Per Serving | $1.67 |
| Caffeine | 180 mg |
| Available Flavors | Sour Peach, Blue Raspberry, Green Apple, Orange, Cherry Limeade, Sour Grape, Strawberry Lemonade, Tropical Punch, Watermelon |
| Rating | 4.05 |
| Serving Size | 14.2 g |
| Flavors | 8 flavors |
| Nickname | Transparent Labs LEAN |
Product Summary
Transparent Labs’ LEAN pre-workout supplement promises to deliver better endurance, power, alertness, and focus. The fat loss component is less of a guarantee with few reports of an actual change in body composition.
