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Doctor's Best

Suntheanine L-Theanine

Item: DB118

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Retail $29.99
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150 mg 90 Veg Caps

  • Doctor's Best Suntheanine L-Theanine supplement

  • Promotes healthy stress management

  • Does not cause drowsiness, but may support healthy sleep

Doctor's Best Suntheanine® L-Theanine supplement supports relaxation without drowsiness to help manage stress and tension. Suntheanine is the premier, patented form of the amino acid L-theanine. Suntheanine is the purest form of L-theanine on the market today, derived from the amino acid in green tea that is responsible for the relaxation-inducing effect of tea consumption. Suntheanine has been shown to create an alert state of relaxation, and it may also support sleep quality and mental acuity.

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Product Description:

Suntheanine L-Theanine

  • Doctor's Best Suntheanine L-Theanine supplement

  • Promotes healthy stress management

  • Does not cause drowsiness, but may support healthy sleep

Doctor's Best Suntheanine® L-Theanine supplement supports relaxation without drowsiness to help manage stress and tension. Suntheanine is the premier, patented form of the amino acid L-theanine. Suntheanine is the purest form of L-theanine on the market today, derived from the amino acid in green tea that is responsible for the relaxation-inducing effect of tea consumption. Suntheanine has been shown to create an alert state of relaxation, and it may also support sleep quality and mental acuity.

Product Label:

Suntheanine L-Theanine

Supplement Facts

Serving Size 1 Capsule

Servings Per Container 90 servings

  Amount Per Serving %Daily Value
Suntheanine® L-theanine 150 mg

†Daily Value not established.

Other ingredients: Rice powder, modified cellulose (vegetarian capsule).

Suggested adult use: Take 1 capsule daily, or as directed by a healthcare professional.

Suitable for Vegetarians

Contains Nothing Other Than Listed Ingredients.

Terms and Ingredient Definitions

Suntheanine L-Theanine

Swanson $14.99
Add To Cart

Doctor's Best Suntheanine L-Theanine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 4.8 out of 5 by 5 reviewers.
Rated 5 out of 5 by It works. L-theanine is to help one relax and isn't meant to be a sleep aid, yet it does help me sleep well. January 30, 2016
Rated 5 out of 5 by Great for Relaxation Suntheanine L-Theanine is an excellent supplement for those who are stressed. The supplement works within 15-30 minutes of taking and returns one to a more relaxed state of mind and body (just like a good cup of hot tea). This product was the most effective of the supplements I have taken in reducing stress and has helped me during emotionally fragile times to relax and regain control. December 16, 2013
Rated 5 out of 5 by I like Doctor's Best I like this brand of supplements, everything I have tried from them seems to be of high quality October 16, 2013
  • 2016-02-06 T09:42:38.918-06:00
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