A lot of people want the performance benefits of a pre-workout but either cannot tolerate caffeine, train at times when caffeine would disrupt sleep, or already get plenty of caffeine from other sources throughout the day. A stimulant-free pre-workout addresses all of those situations without sacrificing the ingredients that actually improve your workout performance.
Transparent Labs built their stim-free formula specifically to give you everything that works in a pre-workout except the caffeine. The result is a product with a very impressive ingredient profile that stands on its own merits.
You get 8 grams of citrulline malate for blood flow and pump, 4 grams of beta-alanine for muscular endurance, 2.5 grams of betaine, and 1.3 grams of taurine for focus and hydration. These are clinical doses across the board. Transparent Labs takes the same approach as Legion when it comes to label transparency, meaning every ingredient is fully disclosed with no proprietary blending.
The focus component in a stim-free product comes primarily from taurine and other nootropic ingredients rather than caffeine. It is a different kind of focus than the caffeine-driven alertness you might be used to, but it is real and it works well.
The pump from the citrulline malate at 8 grams is excellent. I notice a meaningful difference in vascularity and muscle fullness during workouts when using this versus training without any pre-workout. The endurance benefit from beta-alanine at 4 grams is also real over time, though like all beta-alanine it requires consistent use to fully experience.
The absence of caffeine means the onset is less dramatic than a stimulant-based pre-workout. There is no buzz, no tingles from caffeine. What you get instead is a steady, sustainable performance boost that does not come with any crash afterward.
This is ideal for evening workouts, for people who are already consuming caffeine from coffee or other sources throughout the day, for athletes who want to stack it with their own caffeine source to control the dose precisely, or for anyone who has had bad experiences with high-caffeine pre-workouts in the past.
| Caffeine | 0mg (Stim-Free) |
| Citrulline Malate | 8g |
| Beta-Alanine | 4g |
| Betaine | 2.5g |
| Taurine | 1.3g |
| Proprietary Blend | None |
| Servings | 30 |
| Price per Serving | ~$1.67 |