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Thorne Research


Clearance Item


Item: THR109 ● This item is excluded from all promotional offers

  • Supports relaxation and healthy stress management

  • Features an amino acid that comes from a plant

  • Gluten free

200 mg 90 Veg Caps

In Stock

This item is only available for shipment in the United States.

  • Supports relaxation and healthy stress management

  • Features an amino acid that comes from a plant

  • Gluten free

Theanine from Thorne Research supports relaxation and healthy stress management. L-theanine is an amino acid that comes from a tea plant (Camellia sinensis). Each serving delivers 200 mg of l-theanine. No wheat, gluten, corn, yeast, soy, egg, dairy products, artificial colors, artificial sweeteners, artificial flavors, lactose, palmitic acid, magnesium stearate or stearic acid.

Terms and Ingredient Definitions

Supplement Facts

Serving Size: One Capsule

  Each Capsule Contains: % Daily Value
L-Theanine† 200 mg *

*Daily Value (DV) not established.

†This product uses Taiyo International's Suntheanine® (L-Theanine).

Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Leucine, Silicon Dioxide.

Suggested Use: Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

Tamper Evident: Use only if bottle is sealed.

If pregnant, consult your health-care practitioner before using this product.

Store tightly sealed in a cool, dry place.


Suntheanine is a registered trademark of Taiyo International, Inc.

Shipping Weight

.12 lbs

Thorne Research Theanine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Thorne Research Theanine

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

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