Teacrine® & Caffeine are Perfect Complements

TeaCrine® has distinct advantages over other energy sources, including a complementary experience when used in combination with caffeine. It is synergistic with caffeine by extending the feeling of energy. Caffeine alone delivers energy for 2 hours, when used with TeaCrine® energy can be utilized for 4-6 hours**. TeaCrine® provides a cleanerenergy without the crash or jitters that is often associated with caffeine.



     - Boosts mental and physical energy
     - Supports energy without jitters, crash or habituation
     - Supports a positive mood
     - Increases motivation to exercise
     - Improves perceived focus and concentration
     - Only TeaCrine® has Informed-Sport and Informed-Choice certifications so competitive athletes can use TeaCrine® with peace of mind.
     - Only TeaCrine® has long-term safety data in both humans and rats.
     - Only TeaCrine® has an established research program, with further clinical trials underway.
     - Only TeaCrine® is self-affirmed Generally Recognized As Safe (self-GRAS).
     - Only TeaCrine® has multiple patents-pending globally through the USPTO and PCT (Patent Cooperation Treaty)



    TeaCrine®’s unique ability to enhance performance in one safe, non-habituating ingredient has been proven, not once, but twice in two separate human clinical trials.*



    The reasons above are exactly why HAK Nutrition incorporated TeaCrine® in its Pre HAK pre-workout. The synergistic combination of TeaCrine® and caffeine allows for a longer, more sustained burst of energy compared to caffeine alone. At HAK Nutrition we strive to provide the safest and most effective products, and by including TeaCrine® it allows for jitter free energy without the crash you can expect from other pre-workouts. TeaCrine® not only delivers sustained energy but doesn’t allow a tolerance build-up over time, so you can expect the same jitter-free energy in every serving of Pre HAK.

    Please check out the TeaCrine® website to learn even more about this remarkable ingredient. Link Here


    **Results are anecdotal with human clinical trials in progress

    *Study: A Two-Part Approach to Examine the Effects of Theacrine (TeaCrine®)

    *Study: Safety of TeaCrine, a non-habituating, naturally-occurring purine alkaloid over eight weeks of continuous use


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