Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Teacrine (theacrine) is a purine alkaloid structurally similar to caffeine, naturally found in certain teas like Camellia assamica var. kucha. It is marketed as an energy, focus, and performance enhancer in sports supplements. The scientific evidence for Teacrine’s role as an athletic and exercise aid is emerging but remains limited and somewhat preliminary.

Several small, randomized, placebo-controlled trials have investigated Teacrine’s effects on physical performance, energy, and mood. Some studies indicate that acute supplementation with 200-300 mg Teacrine may enhance subjective feelings of energy, focus, and motivation to exercise, and reduce fatigue, without the habituation or tolerance seen with caffeine. However, objective improvements in physical performance measures (such as power output, endurance, or strength) are either modest or not statistically significant compared to placebo. Safety profiles appear favorable, with minimal cardiovascular stimulation at recommended doses.

Overall, while there is scientific interest and some preliminary evidence supporting Teacrine’s potential to enhance subjective markers of exercise performance or mental energy, robust, high-quality studies demonstrating clear, consistent benefits to athletic performance are lacking. The current evidence justifies a moderate rating (2/5), as the ingredient is actively researched, but claims outpace what is firmly established by science.

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