L-Theanine
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Rice Flour, Hypromellose, Magnesium Stearate, Silica
Recommended Use
Directions: Take 1 capsule daily or as directed by your healthcare professional.
Frequently Asked Questions
What is Momentous L-Theanine's Formulate score?
Momentous L-Theanine scores 95 out of 100 (grade A) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Momentous L-Theanine worth it?
Momentous L-Theanine scores 95/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Momentous L-Theanine?
Each serving contains L-Theanine (200 mg). Serving size: 1 Capsule(s). 60 servings per container.
How do I take l-theanine?
Directions: Take 1 capsule daily or as directed by your healthcare professional.
Who makes L-Theanine?
L-Theanine is made by Momentous. See Formulate's full grade and product lineup for Momentous on its brand page.
Is Momentous L-Theanine third-party tested?
Momentous lists the following certifications and testing for this product: Gluten-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.