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Sports Research

L-theanine // Relaxation & Focus

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Suntheanine® in Soft Gels

SportsResearch® L-Theanine contains the premium, patented, branded ingredient Suntheanine®. Formulated with Virgin Coconut Oil, SR L-Theanine may help support an alert state of relaxation without drowsiness, as indicated by an increase in Alpha brain waves.*

Ways to Enjoy

Take 1-2 Liquid Softgels daily with food or as directed by your qualified healthcare professional.

More about Suntheanine®


Established in 1980, Sports Research is a family owned & operated company dedicated to providing the highest quality health & wellness products that complement your healthy lifestyle. We believe in our products because we only use the best raw materials, sourced from the finest suppliers in the industry. We source premium nutraceutical ingredients from around the world, many which have been the center of scientific studies— just like the Sports Research name implies. 

Today, SR confidently remains true to its long tradition of helping families achieve their health & fitness goals by delivering high quality products at affordable pricing.