L-Theanine
WhatToTrustTM Score
12345678910
Sports Research®
Last updated: Dec 05, 2025
Get ready to take on the day with Sports Research® L-Theanine—an amino acid commonly found in green tea and often used to help with relaxation. Our L-Theanine softgels are specially formulated to support focus, alertness and relaxation without the crash, jitters or drowsiness that often follow energy pills, coffee and energy drinks.*
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L-Theanine Ingredients*
We only evaluate bioactive ingredients—the ones that truly contribute to a product's performance. Below is a list of bioactive ingredients found in this product.
For each ingredient, the quantity in parentheses indicates the amount per serving.
Suntheanine® is a patented, purified form of L-theanine, a natural compound found in green tea. It is produced through a specialized process to ensure consistency and quality. The trademark for Suntheanine® is owned by Taiyo International, Inc.
*These product and ingredient description statements have not been evaluated by the Food and Drug Administration (FDA). This product or its ingredients are not intended to diagnose, treat, cure or prevent any disease.
Product description and ingredient list are obtained from the product's brand/company website. Ingredient description is provided by our expert.
WhatToTrustTM scores are based on ingredient quality tests as well as pre-clinical and clinical testing to ensure that a product is scientifically developed and manufactured.
Breakdown of WhatToTrustTM Score for this product
WhatToTrustTM Science Score
10/10
Ingredient Quality Testing (Batch-to-Batch Testing)
Identity and Potency Testing
yes
Purity/Contaminant Testing
yes
Ingredient Validation Testing
Ingredient Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Ingredient Validation Pre-clinical Testing and Certification
no
Ingredient Clinical Trial/Testing
yes
Borrowed Science
no
Product Validation Testing
Product Validation Pre-clinical Testing (non-Canomiks test)
no
CanTrust by Canomiks® Product Validation Pre-clinical Testing and Certification
no
Product Clinical Trial/Testing
yes
Borrowed Science
no
WhatToTrustTM ScoreHow we calculate WhatToTrustTM Score.
WhatToTrustTM Score
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