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Best L Theanine For Anxiety (2025 Updated)

L-theanine is an amino acid that is found in green tea. It has been shown to be effective in reducing anxiety and improving mood. L-theanine works by increasing levels of GABA, a neurotransmitter that is responsible for regulating mood.

20 Best L Theanine For Anxiety

Product Image Product Name Features Price

The Vitamin Shoppe L-Theanine – 100 mg (60 Capsules)

  • 100 Mg

L-Theanine 200mg by Nature's Trove – 120 Vegetarian Capsules

  • Help promote relaxation and a sense of calm without causing drowsiness or loss of focus.
  • Promote cognitive and memory functions.

Natural Factors Stress-Relax Suntheanine L-Theanine – 100 mg – 120 – Chewable

  • 120 Count (Pack Of 1)

Now Foods L-Theanine 200 mg – 120 Veg Capsules

  • Double Strength.
  • Vegan.
  • Dietary Supplement.

GNC L-Theanine 200mg – 60 Capsules

  • RELAX & UNWIND:, L-theanine and supports a restful, relaxed state
  • KEEP CALM: Helps you cope with stress from everyday overwork and fatigue

Jarrow Formulas Theanine, 100 mg, Veggie Caps – 60 veggie caps

  • Amino Acid Derivative
  • Considered as Dietary Supplement
  • Neurotransmitter

Life Extension L-Theanine – 100 mg – 60 Capsules

  • 60 Veggie Capsules 100 Milligrams

Healthy Origins L Theanine AlphaWave 100 mg 180

  • 180 Count (Pack Of 1)

Double Wood L-Theanine 200 mg Dietary Supplement – 120 Capsules

  • Our L Theanine capsules are third party tested and manufactured right here in the USA PROMOTE RELAXATION.
  • L-Theanine may help reduce stress, especially stress caused by other stimulants PREVENTS SIDE EFFECTS FROM STIMULANTS.

Douglas Laboratories – L-Theanine 60 Capsules

  • Supplement Facts.
  • Amount Per Serving.
  • Serving Size 1 Vegetarian Capsules.

Solaray L-Theanine 200 mg 45 Capsules

  • Ingredients: Green Tea
  • Type: Capsules
  • Quantity: 45 Capsules

L-Theanine 200 mg Solaray 90 Caps

  • Works naturally to promote relaxation without drowsiness
  • Offers nutritional support for a feeling of relaxation
  • Suitable for vegetarians

Now Foods – L-Theanine Pure Powder – 1 oz.

  • 1 oz Powder

L-Theanine Veg Capsules, 100 mg – 60 count

  • Promotes relaxation and wellbeing.
  • Helps reduce stress.
  • L-Theanine is an amino acid that helps you manage stress.

Thorne Research – Theanine 90 Capsules

  • RELAXATION: Promotes relaxation, focus, and memory by enhancing alpha-wave production in the brain
  • STRESS: Supports a healthy stress response

Integrative Therapeutics L-Theanine 60 Capsules

  • L-Theanine is an amino acid that supports a relaxed state without diminishing daytime alertness
  • Suntheanine L-Theanine is an amino acid that helps support relaxation and a healthy stress response
The Vitamin Shoppe L-Theanine – 100 mg (60 Capsules)
  • 100 Mg
L-Theanine 200mg by Nature's Trove – 120 Vegetarian Capsules
  • Help promote relaxation and a sense of calm without causing drowsiness or loss of focus.
  • Promote cognitive and memory functions.
Natural Factors Stress-Relax Suntheanine L-Theanine – 100 mg – 120 – Chewable
  • 120 Count (Pack Of 1)
Now Foods L-Theanine 200 mg – 120 Veg Capsules
  • Double Strength.
  • Vegan.
  • Dietary Supplement.
GNC L-Theanine 200mg – 60 Capsules
  • RELAX & UNWIND:, L-theanine and supports a restful, relaxed state
  • KEEP CALM: Helps you cope with stress from everyday overwork and fatigue
Jarrow Formulas Theanine, 100 mg, Veggie Caps – 60 veggie caps
  • Amino Acid Derivative
  • Considered as Dietary Supplement
  • Neurotransmitter
Life Extension L-Theanine – 100 mg – 60 Capsules
  • 60 Veggie Capsules 100 Milligrams
Healthy Origins L Theanine AlphaWave 100 mg 180
  • 180 Count (Pack Of 1)
Double Wood L-Theanine 200 mg Dietary Supplement – 120 Capsules
  • Our L Theanine capsules are third party tested and manufactured right here in the USA PROMOTE RELAXATION.
  • L-Theanine may help reduce stress, especially stress caused by other stimulants PREVENTS SIDE EFFECTS FROM STIMULANTS.
Douglas Laboratories – L-Theanine 60 Capsules
  • Supplement Facts.
  • Amount Per Serving.
  • Serving Size 1 Vegetarian Capsules.
Solaray L-Theanine 200 mg 45 Capsules
  • Ingredients: Green Tea
  • Type: Capsules
  • Quantity: 45 Capsules
L-Theanine 200 mg Solaray 90 Caps
  • Works naturally to promote relaxation without drowsiness
  • Offers nutritional support for a feeling of relaxation
  • Suitable for vegetarians
Now Foods – L-Theanine Pure Powder – 1 oz.
  • 1 oz Powder
L-Theanine Veg Capsules, 100 mg – 60 count
  • Promotes relaxation and wellbeing.
  • Helps reduce stress.
  • L-Theanine is an amino acid that helps you manage stress.
Thorne Research – Theanine 90 Capsules
  • RELAXATION: Promotes relaxation, focus, and memory by enhancing alpha-wave production in the brain
  • STRESS: Supports a healthy stress response
Integrative Therapeutics L-Theanine 60 Capsules
  • L-Theanine is an amino acid that supports a relaxed state without diminishing daytime alertness
  • Suntheanine L-Theanine is an amino acid that helps support relaxation and a healthy stress response

1. The Vitamin Shoppe L-Theanine – 100 mg (60 Capsules)

The Vitamin Shoppe L-Theanine - 100 mg (60 Capsules)

  • 100 Mg

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Walmart – The Vitamin Shoppe
The Vitamin Shoppe

Product Details

Specifications

Details
Vitamin u0026 Supplement Type L-Theanine
Primary Ingredient Theanine
Multipack Quantity 1
Body Part Body

Reviews From Real Customers

Tiffany
MARY
D D

2. L-Theanine 200mg by Nature’s Trove – 120 Vegetarian Capsules

L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules

  • Help promote relaxation and a sense of calm without causing drowsiness or loss of focus.
  • Promote cognitive and memory functions.
  • Nature’s Trove – Good Health from the Source!

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Amazon
beautymeek.com

Product Details

Specifications

Details
Is Discontinued By Manufacturer No
Package Dimensions 3.7 x 1.89 x 1.85 inches; 2.12 Ounces

Reviews From Real Customers

kelsey.t
carrie.m
anon51577

3. Natural Factors Stress-Relax Suntheanine L-Theanine – 100 mg – 120 – Chewable

Natural Factors Stress-Relax Suntheanine L-Theanine - 100 mg - 120 - Chewable

  • 120 Count (Pack Of 1)

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Amazon
Walmart
National Nutrition
Pharmaca

Product Details

Specifications

Details
Formulation Tablet
Ingredients Suntheanine
Active Ingredients Chondroitin Sulfate
Main Purpose Cognitive Health
Nutrition Facts Label Yes

4. Now Foods L-Theanine 200 mg – 120 Veg Capsules

Now Foods L-Theanine 200 mg - 120 Veg Capsules

  • Double Strength.
  • Vegan.
  • Dietary Supplement.
  • Now Foods L-Theanine is an amino acid now available in this vegetarian formula.

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Amazon
Walmart
iHerb
Vitacost.com

Product Details

Specifications

Details
Vitamin u0026 Supplement Type L-Theanine
Primary Ingredient Theanine
Count Per Pack 120
Count 120
Multipack Quantity 1
Body Part Body
Assembled Product Weight 0.2 oz
Assembled Product Dimensions (L x W x H) 2.25 x 2.25 x 4.38 Inches

5. Life Extension Theanine XR Stress Relief 30 Vegetarian Tablets

Life Extension Theanine XR Stress Relief 30 Vegetarian Tablets

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Amazon
Walmart – Natures Nest Store
Life Extension
Healthland

Product Details

Specifications

Details
Expires October 28, 2023
Total Weight 0.12 lbs (0.05 kg)
Package Format 30 Vegetarian Capsules
Origin Made In USA

6. GNC L-Theanine 200mg – 60 Capsules

GNC L-Theanine 200mg - 60 Capsules

  • RELAX & UNWIND:, L-theanine and supports a restful, relaxed state
  • KEEP CALM: Helps you cope with stress from everyday overwork and fatigue
  • PMS SUPPORT: Offers calming support for premenstrual syndrome, or PMS
  • GLUTEN FREE: Contains no sugar, no artificial colors or flavors, no wheat, no corn, no soy and no dairy

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Amazon
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GNC
iBeautyCity.com

Product Details

Specifications

Details
Ingredients Microcrystalline Cellulose, Gelatin, Magnesium Stearate Vegetable Source, Silicon Dioxide.
Other Warnings KEEP OUT OF REACH OF CHILDREN
Instructions DIRECTIONS: As a dietary supplement, take one capsule daily.
Food Facts Gluten Free
Distributor General Nutrition Corporation

Reviews From Real Customers

A
amber.s

7. Jarrow Formulas Theanine, 100 mg, Veggie Caps – 60 veggie caps

Jarrow Formulas Theanine, 100 mg, Veggie Caps - 60 veggie caps

  • Amino Acid Derivative
  • Considered as Dietary Supplement
  • Neurotransmitter
  • Promotes Relaxation and Learning Ability

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Amazon
PureFormulas.com
Return2Health US
LuckyVitamin

Product Details

Specifications

Details
Units in Package 60
Directions Usage: Take 1 capsule 1 or 2 times per day with water or juice on an empty stomach or as directed by your qualified healthcare professional. Store in a cool, dry place.
Ingredients Other Ingredients: Vegetarian Capsule (Hydroxypropylmethylcellulose, Water), Cellulose, Magnesium, Stearate (Vegetable Source) and Silicon Dioxide.
Warnings Note: If you have a medical condition, are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product. Keep out of reach of children.
Serving Size 1 capsule

Reviews From Real Customers

Embryonic

8. Life Extension L-Theanine – 100 mg – 60 Capsules

Life Extension L-Theanine - 100 mg - 60 Capsules

  • 60 Veggie Capsules 100 Milligrams

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Amazon
Pine Street Clinic
Vitacost.com
HiLife Vitamins

Product Details

Specifications

Details
Rich Ingredients microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate.
Ingredients microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate.
Nutrition Claim Non GMO
Nutrition Claim Gluten Free
Storage Instructions STORE TIGHTLY CLOSED IN A COOL, DRY PLACE.

9. Healthy Origins L Theanine AlphaWave 100 mg 180

Healthy Origins L Theanine AlphaWave 100 mg 180

  • 180 Count (Pack Of 1)

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Amazon
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Walmart – Swanson Health Products
Swanson Health Products

Product Details

Specifications

Details
A WAVE OF RELAXATION L
Assembled Product Dimensions (L x W x H) 2.60 x 2.60 x 4.70 Inches

Reviews From Real Customers

Diana S
Norman
KimK

10. Doctor’s Best Suntheanine L-Theanine 150 mg 90 Veggie Caps

Doctor's Best Suntheanine L-Theanine 150 mg 90 Veggie Caps

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Amazon
Walmart
Walgreens.com
iHerb

Product Details

Specifications

Details
Vitamin u0026 Supplement Type L-Theanine
Primary Ingredient Theanine
Count Per Pack 90 – 119ct
Count 90
Multipack Quantity 1
Body Part Hand
Assembled Product Weight 0.1260 oz
Assembled Product Dimensions (L x W x H) 2.00 x 2.00 x 3.70 Inches

11. Double Wood L-Theanine 200 mg Dietary Supplement – 120 Capsules

Double Wood L-Theanine 200 mg Dietary Supplement - 120 Capsules

  • Our L Theanine capsules are third party tested and manufactured right here in the USA PROMOTE RELAXATION.
  • L-Theanine may help reduce stress, especially stress caused by other stimulants PREVENTS SIDE EFFECTS FROM STIMULANTS.
  • L Theanine works alongside stimulants such as caffeine in order to reduce their side effects to make focusing and memorizing things easier.

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Amazon
Walmart – Double Wood Supplements
Double Wood Supplements
Vitacost.com

Product Details

Specifications

Details
Product Dimensions 1.5 x 2.0 x 3.13 inches

Reviews From Real Customers

doublewoodsupplements.com
Ana

12. Douglas Laboratories – L-Theanine 60 Capsules

Douglas Laboratories - L-Theanine 60 Capsules

  • Supplement Facts.
  • Amount Per Serving.
  • Serving Size 1 Vegetarian Capsules.
  • Servings Per Container 60.
  • L-Theanine (Suntheanine) 100 mg.

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Amazon
Pine Street Clinic
Bock Nutritionals
Healthy Habits Living

Product Details

Specifications

Details
Dimensions 1.815 × 1.815 × 3.274 in
Count 60 CT

Reviews From Real Customers

lmjvancouver
Qinghua
Peng

13. Solaray L-Theanine 200 mg 45 Capsules

Solaray L-Theanine 200 mg 45 Capsules

  • Ingredients: Green Tea
  • Type: Capsules
  • Quantity: 45 Capsules

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Amazon
Bikeinn.com
Perfumes Club US

Product Details

Specifications

Details
Ingredients Green Tea

Reviews From Real Customers

gorgeguy
Kathleen
JUDITH

14. L-Theanine 200 mg Solaray 90 Caps

L-Theanine 200 mg Solaray 90 Caps

  • Works naturally to promote relaxation without drowsiness
  • Offers nutritional support for a feeling of relaxation
  • Suitable for vegetarians

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Amazon
eBay – nanogen
Walmart
Vitacost.com

Product Details

Specifications

Details
Amount Per Serving % Daily Value
L-Theanine 200 mg
Green Tea Leaf 100 mg

Reviews From Real Customers

blake.c
Blondie

15. Now Foods – L-Theanine Pure Powder – 1 oz.

Now Foods - L-Theanine Pure Powder - 1 oz.

  • 1 oz Powder

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Walmart
PureFormulas.com

Product Details

Specifications

Details
Package Quantity 1 oz
Dimensions 3.2 x 1.8 x 1.8 in, 0.1 lb
Serving Size 1/8 Level Teaspoon (approx. 0.3 g)
Serving Per Container about 93

16. Olly Goodbye Stress – 120 Gummies – Anxiety & Stress Relief – with L-Theanine, Lemon Balm & GABA – Gummy Supplement – Flavor: Berry Verbena

Olly Goodbye Stress - 120 Gummies - Anxiety & Stress Relief - with L-Theanine, Lemon Balm & GABA - Gummy Supplement - Flavor: Berry Verbena

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Amazon
Olly

Product Details

Reviews From Real Customers

Denise Fox
Rgeddy
MMarie1284

17. L-Theanine Veg Capsules, 100 mg – 60 count

L-Theanine Veg Capsules, 100 mg - 60 count

  • Promotes relaxation and wellbeing.
  • Helps reduce stress.
  • L-Theanine is an amino acid that helps you manage stress.

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Amazon
Walmart – AmericaRx Smart Shop
Swanson Health Products
Fred Meyer

Product Details

Specifications

Details
Units in Package 60
Directions Recommendation: Take 1 capsule up to three times daily. For maximum support, take 2 capsules three times daily. If pregnant, nursing or taking any medications, consult a healthcare professional before use.
Ingredients Other Ingredients: Cellulose, Plant-Derived Capsule (Modified Cellulose), Vegetable Magnesium Stearate.
Warnings Keep out of reach of children. Safety sealed with printed outer shrinkwrap and inner seal. Do not use if either is broken or missing.
Serving Size 1 capsule

18. Thorne Research – Theanine 90 Capsules

Thorne Research - Theanine 90 Capsules

  • RELAXATION: Promotes relaxation, focus, and memory by enhancing alpha-wave production in the brain
  • STRESS: Supports a healthy stress response
  • GABA: Enhances GABA production in the brain (a brain chemical that acts like a brake during times of runawaystress)

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Amazon
Walmart – iServe Products
Thorne
DailyBenefit.com

Product Details

Specifications

Details
Main Purpose Adrenal Support
Ingredients 1-Deoxynojirimycin (DNJ)
Number of Pills 1
Dosage 5 mg
Flavor Apple
Volume 0.1 fl oz
When to Take After Meal
Active Ingredients 1-Deoxynojirimycin (DNJ)
Formulation Bar
Package Quantity 90 Count
Satisfaction 100% Costumer Satisfaction

19. L-Theanine, 200 mg, 60 Quick Release Capsules, 2 Bottles

L-Theanine, 200 mg, 60 Quick Release Capsules, 2 Bottles

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Amazon
Piping Rock Health Products

Product Details

Specifications

Details
Porciones por envase 60

Reviews From Real Customers

Carrie Smiles
Deb 51
jamesey

20. Integrative Therapeutics L-Theanine 60 Capsules

Integrative Therapeutics L-Theanine 60 Capsules

  • L-Theanine is an amino acid that supports a relaxed state without diminishing daytime alertness
  • Suntheanine L-Theanine is an amino acid that helps support relaxation and a healthy stress response
  • Clinically studied, L-theanine can support a healthy stress response
  • Soy free, dairy free. No wheat, corn, or artificial colors, flavors, or preservatives

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eBay
Walmart
Village Green Apothecary
Koshland Pharm

Product Details

Specifications

Details
Country/Region of Manufacture United States
Main Purpose General Wellness
Ingredients Cellulose/Vegetable Capsule/Magnesium Stearate
Number of Pills 60
Dosage 100 mg

Reviews From Real Customers

strudelin
Jesica

Conclusion

L-theanine is an amino acid found in green tea that has been shown to have a variety of health benefits. One of these benefits is its ability to reduce anxiety. A number of studies have shown that L-theanine can help reduce anxiety levels in both healthy individuals and those with anxiety disorders.

So far, the research on L-theanine for anxiety has been promising. However, more research is needed to confirm its effectiveness. If you’re considering taking L-theanine for anxiety, be sure to talk to your doctor first to see if it’s right for you.

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