Nutricost

Nutricost L-Theanine 200mg, 120 Capsules, Double Strength, Gluten Free

$11.95
30K+ bought in past month
Last updated Sep 7, 2026 at 7:45am
Nutricost

About this product

About this item 120 Capsules of L-Theanine Per Bottle
200mg L-Theanine Per Serving (120 Servings)
Easy To Take Capsules
GMO-Free, Gluten Free
Manufactured In a NSF Certified, GMP Compliant, FDA Registered Facility

Editor's Take

Amazon reviewers say this Nutricost L-Theanine is effective for relaxation, stress reduction, and sleep support, and many also describe it as a good value for the 120-capsule bottle. Some Amazon customers note that it works quickly, while a smaller group has mixed opinions about capsule size.

On Reddit, users report that it helps with anxiety and mention having no side effects so far. Review sites and product roundups also describe it as a strong budget-friendly option with a high-potency 200 mg dose.

YouTube search results surfaced several real videos about this exact product, including review-style videos and a comparison video that mentions Nutricost L-Theanine. The available results did not provide enough verified detail to confidently extract and return up to two exact video IDs here.

Price History

Specifications

Form Capsules
Count 120

Product Details

Product Dimensions 2.36 x 2.36 x 4.4 inches; 2.2 ounces
Item model number No Model
Department All Ages
Date First Available January 26, 2016
Manufacturer Nutricost
ASIN B01B3RWQNM
Best Sellers Rank #866 in Health & Household ( See Top 100 in Health & Household ) #4 in Blended Vitamin & Mineral Supplements
Customer Reviews 4.6 4.6 out of 5 stars (10,207)