Caffeine and L-theanine synergize to optimize performance–when taken together, they’re widely considered to improve cognitive performance.
Studies have shown that together, caffeine + L-theanine can boost components of short-term working memory and long-term semantic memory.1
Subjective Feeling of Alertness
A meta-analysis of eleven studies concluded that caffeine + L-theanine increased alertness for at least two hours after consumption.1
Most widely used and scientifically-supported psychoactive substance in the world6
Reliably enhances endurance up to 12%14
Caffeine + L-theanine have synergistic effects on cognition–meaning that together, they produce cognitive benefits not seen when either is used alone
A stem and leaf extract used in traditional medicine for centuries
Our plant extract is one of the purest available, standardized to 5% ginsenosides
Improves simple reaction time26
HVMN Evidence Grading
Rooted in principles of science and engineering, we share full knowledge of HVMN products and their ingredients. Each products is systematically graded by the breadth of evidence available:
Theoretical effect or in vitro evidence
Animal model evidence of effects
Early human evidence of ingredient effects
High-quality human evidence of ingredient effects
Human study of product as sold
Sprint is a zero-calorie, dose-adjustable and fast-acting nootropic designed to help boost energy, reaction time, and enable the clear thinking you need to dominate your day
A meta-analysis of eleven studies found a consistent effect of the combination of caffeine and L-theanine on accuracy.1
Athletes in all sports employ caffeine to heighten physical and mental performance. Caffeine is a mainstay of the pre-workout ritual for athletes, and can improve performance by up to 12%.14
† Daily value not established
Other Ingredients: Hypromellose (Vegetable Capsule shell), Microcrystalline Cellulose, Silicon Dioxide, Magnesium Stearate.
We recommend taking one or two capsules as needed, to increase alertness and focus. One capsule of Sprint contains the caffeine equivalent to one cup of coffee (100mg). Do not take more than eight in one day.
Sprint works almost immediately (within about 30 minutes) and is effective for four to six hours. Use instead of coffee or an energy drink for intense focus & productivity.