Best L-Theanine Supplements [Top 20 Picks]

Are you bored of reading about these pros and cons listed in reviews? Most likely, and we can tell the reason! They convey a stereotypical impression and aren’t convincing enough to affect your purchase decision most effective word to use. As a consumer you’d like to understand the actual user experience with a product, and likely want to experience it through reading the review.

A well-written review could include greater insight into factors like the value of the brand since you’re looking for quality items from brands that are reputable. There may be a need for more details on warranty or aftersales since they are believed to be an indicator of trustworthiness. Cost comparisons and other reliable factors such as convenience in terms of setup, use and maintenance could also influence your purchase decision.

If you’re looking for the best L-Theanine Supplements the yardsticks we’ve discussed earlier will help you realize that this review guide isn’t a stereotype and trustworthy enough to guide you to purchase the things you want!

Follow This Table For Quickly Selection A Best Product


Place Image Product Information Score

1

Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes Alertness & Relaxation without Drowsiness - 200mg L Theanine Supplement - 60 Softgel Capsules for Adults

Sports Research Double Strength Suntheanine L-Theanine with



by
Sports
9.1



2

NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules

NOW Supplements L-Theanine mg with Inositol Stress



by
NOW
9.1



3

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

Nutricost L-Theanine mg Capsules Double Strength –



by
Nutricost
9



4

L-Theanine 200mg Super Value Size - 365 Vegetarian Capsules

L-Theanine mg Super Value Size – Vegetarian



by
L-Theanine
9.4



5

Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed State & Healthy Stress Response* - Vegan and Gluten Free - 60 Capsules

Integrative Therapeutics L-Theanine mg – Suntheanine Brand



by
Integrative
9.3



6

NOW Supplements, L-Theanine 100 mg with Decaf Green Tea, Stress Management*, 90 Veg Capsules

NOW Supplements L-Theanine mg with Decaf Green



by
NOW
9.3



7

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

L-Theanine mg by Nature’s Trove – Vegetarian



by
L-Theanine
8.9



8

NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules

NOW Supplements L-Theanine mg with Inositol Stress



by
NOW
9.5



9

Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free, Vegan, 150 mg (DRB-00197), 90 Count

Doctor’s Best L-Theanine Contains Suntheanine Helps Reduce



by
Doctor’s
9



10

BulkSupplements.com L-Theanine Powder - Amino Acid Nutritional Supplements - GABA Supplements - Focus Aid Supplements - L Theanine - Stress Supplements (250 Grams - 8.8 oz)

BulkSupplements com L-Theanine Powder – Amino Acid



by
BulkSupplements
9.1



The Best L-Theanine Supplements : Top 20 Picks in 2022

Save 7%No. 1

Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil – Promotes Alertness & Relaxation without Drowsiness – 200mg L Theanine Supplement – 60 Softgel Capsules for Adults

Popularity Score 9.7
Quality Score 9.3
Sentiment Score 9.1

Highlighted Features

  • PREMIUM QUALITY: Sports Research is proud to offer products using only the best ingredients available so that you can have total peace of mind in the supplements that you are taking. Our L-Theanine 200mg softgel capsules are certified non-GMO and free of soy, gluten, artificial colors, Hexane, Stearates, and Titanium Dioxide.
  • EASY TO USE: As a dietary supplement, simply take one (1) easy to swallow liquid softgel daily with or without food or as directed by your qualified healthcare professional. Promoting an increase in Alpha brain waves and a decrease in Beta brain waves, you’ll find your spark and get the boost you need with none of the sugar or unwelcome side effects from energy drinks or energy supplements.
  • ALERT & CALM: L-Theanine is an amino acid commonly found in green tea and is believed to help with relaxation. Suntheanine is patented, researched, and clinically proven to promote an alert state of relaxation and focus without any accompanying drowsiness. Get focused so you feel ready to take on the day!
  • THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people live their best lives through real, research-backed ingredients created for every body — inside and out. We’re fully dedicated to sourcing the highest quality products from around the world, backed by third party testing. We all deserve the best in our quest for healthy living. Our mission is to give you just that.
  • Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it’s all about quality control – so you can have confidence in your dietary supplements.

Additional Info :

Brand Sports
Color Silver
Item Dimensions
Height 20
Width 32
Length 29
Weight 64.74
No. 2


NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules

Popularity Score 9.1
Quality Score 9.2
Sentiment Score 9.8

Highlighted Features

  • CLASSIFICATIONS/CERTIFICATIONS: Vegan, Kosher, Non-GMO
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968.
  • STRESS MANAGEMENT*/PROMOTES RELAXATION*: Promotes relaxation without the drowsiness or negative side effects associated with other calming agents.*

Additional Info :

Brand NOW
Color Off-white
Item Dimensions
Height 19
Width 21
Length 33
Weight 25.43
No. 3

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

Popularity Score 9.2
Quality Score 9.6
Sentiment Score 9.1

Highlighted Features

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

Additional Info :

Brand Nutricost
Color Black
Item Dimensions
Height 5
Width 37
Length 36
Weight 31.68
Save 18%No. 4

L-Theanine 200mg Super Value Size – 365 Vegetarian Capsules

Popularity Score 9.5
Quality Score 9.2
Sentiment Score 9.1

Highlighted Features

  • L-Theanine 200mg may promote relaxation without drowsiness – May restore a sense of calm
  • Found naturally in green tea
  • Natural Ingredients – Good Health from the Source!
  • SUPER VALUE SIZE – 365 Vegetarian Capsules
  • Made in the USA – GMP NSF Certified Facility – Kosher Certified

Additional Info :

Brand L-Theanine
Color White
Item Dimensions
Height 7
Width 31
Length 23
Weight 10.83
No. 5

Integrative Therapeutics L-Theanine 200 mg – Suntheanine Brand L-Theanine – Promotes a Relaxed State & Healthy Stress Response* – Vegan and Gluten Free – 60 Capsules

Popularity Score 9.7
Quality Score 9.7
Sentiment Score 9.5

Highlighted Features

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

Additional Info :

Brand Integrative
Color White
Item Dimensions
Height 13
Width 43
Length 37
Weight 85.71
No. 6


NOW Supplements, L-Theanine 100 mg with Decaf Green Tea, Stress Management*, 90 Veg Capsules

Popularity Score 9.6
Quality Score 9.2
Sentiment Score 9.2

Highlighted Features

  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.
  • Packaged in the USA by a family owned and operated company since 1968
  • STRESS MANAGEMENT*/PROMOTES RELAXATION*: L-Theanine promotes relaxation while maintaining alertness and promotes healthy cognitive function.*
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • HEALTHY VASCULAR FUNCTION*/WITH DECAF GREEN TEA: L-Theanine may also support healthy vascular function through this relaxing effect.* It is a unique amino acid found naturally in the tea plant (Camellia sinensis).

Additional Info :

Brand NOW
Color Grey
Item Dimensions
Height 3
Width 28
Length 40
Weight 23.81
No. 7

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

Popularity Score 9.3
Quality Score 9
Sentiment Score 9.5

Highlighted Features

  • Found naturally in green tea
  • Made in the USA – GMP NSF Certified Facility – Kosher Certified
  • Natural Ingredients – Good Health from the Source!
  • L-Theanine 200mg may promote relaxation without drowsiness. Also may restores a sense of calm.
  • ►► To SAVE EVEN MORE! Select our SUPER VALUE SIZE – 365 Vegetarian Capsules

Additional Info :

Brand L-Theanine
Color Off-white
Item Dimensions
Height 6
Width 31
Length 33
Weight 32.62
No. 8


NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules

Popularity Score 9
Quality Score 9.1
Sentiment Score 9.6

Highlighted Features

  • HEALTHY VASCULAR FUNCTION*/WITH INOSITOL: Formulation includes inositol, a member of the B-vitamin family that is essential for brain and nervous system health.*
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).Dairy free
  • CLASSIFICATIONS/CERTIFICATIONS: Vegan, Kosher, Non-GMO
  • STRESS MANAGEMENT*/PROMOTES RELAXATION*: Promotes relaxation without the drowsiness or negative side effects associated with other calming agents.*
  • Packaged in the USA by a family owned and operated company since 1968.

Additional Info :

Brand NOW
Color White
Item Dimensions
Height 16
Width 33
Length 25
Weight 78.81
Save 24%No. 9


Doctor’s Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free, Vegan, 150 mg (DRB-00197), 90 Count

Popularity Score 9.1
Quality Score 9.4
Sentiment Score 9.1

Highlighted Features

  • Doctor’s Best L-Theanine contains Suntheanine, a pure form of L-Theanine on the market produced via a patented process that mimics the natural process in green tea leaves. L-Theanine helps promote a healthy mood and a restful relaxed state while maintaining daytime alertness
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers’ recommendations, when provided.
  • SUNTHEANINE – L-theanine is an agent that is used for nervousness and tension by supporting mental tranquility. Suntheanine may normalize the body’s stress response and condition the body to handle stressful situations better
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • SUPPORTS BRAIN HEALTH – L-Theanine is a powerful Amino Acid that enhances cognitive performance and alertness. L-Theanine may help improve quality of sleep, learning performance, concentration and help support the immune system. L-Theanine may also help reduce the negative effects of caffeine

Additional Info :

Brand Doctor’s
Color Silver
Item Dimensions
Height 4
Width 29
Length 39
Weight 68.04
Save 12%No. 10

BulkSupplements.com L-Theanine Powder – Amino Acid Nutritional Supplements – GABA Supplements – Focus Aid Supplements – L Theanine – Stress Supplements (250 Grams – 8.8 oz)

Popularity Score 8.9
Quality Score 9.1
Sentiment Score 9

Highlighted Features

  • ✔️ Pure and Clean – Theanine , a stress supplements, is a natural amino acid that helps promote relaxation and a sense of well-being. Take advantage of our pure and clean theanine, which is available in L Theanine powder and L Theanine capsules, to help you unwind after a long day. Our L Theanine powder does not contain any fillers, additives and artificial flavors.
  • 🟠 Boosts Immune Health – Theanine, an amino acids supplement for men and amino acids supplement for women, is a powerful antioxidant that helps protect cells from damage. It also supports the production of leukocytes, which are essential for a healthy immune system. This L-Theanine powder, or GABA supplements, helps keep the body healthy and build up natural defenses against harmful factors!
  • 😤 May Limit Stress – L-Theanine, or L Theanine, is an amino acid found almost exclusively in green tea. It may promote relaxation and contribute overall sense of calmness.* Not only does it help with stress, Theanine may help you focus and stay on task because of its important role in production of neurotransmitters in the brain.* This focus aid supplement makes it a good choice for people who need to stay alert but want to relax.
  • ⭐ High Quality – All products by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We’ve made a significant investment in our in-house lab so we can test our products at multiple stages during production. We third party test products, procedures and equipment when required to ensure compliance, standards and consistency.
  • 🧠 Supports Brain Health – Theanine, an amino acid nutritional supplements, is unique in its ability to cross the blood-brain barrier which means it can exert its effects directly on the brain and central nervous system.* Theanine works by increasing the level of dopamine and serotonin in the brain, as well as GABA. This L Theanine powder, or GABA supplements, also helps with memory, concentration, focus, and learning ability which are optimal for overall health.*

Additional Info :

Brand BulkSupplements
Color Grey
Item Dimensions
Height 13
Width 21
Length 23
Weight 69.23
No. 11

Thorne Theanine – 200mg of L-Theanine – Support a Healthy Stress Response, Relaxation, and Focus – Increases Brain Alpha-Wave Production – 90 Capsules

Popularity Score 9.6
Quality Score 9.2
Sentiment Score 9.4

Highlighted Features

  • Stress: Supports a healthy stress response*
  • Thorne’s commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world.
  • Free From: Every Thorne product is made with the purest possible ingredients – without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no soy, dairy, yeast, shellfish, or fish.
  • Relaxation: Promotes relaxation, focus, and memory by enhancing alpha-wave production in the brain*
  • GABA: Enhances GABA production in the brain (a brain chemical that acts like a brake during times of runaway stress)*

Additional Info :

Brand Thorne
Color Off-white
Item Dimensions
Height 5
Width 26
Length 29
Weight 56.76
No. 12


Pure Encapsulations L-Theanine | Amino Acid Supplement for Relaxation and Wellness* | 60 Capsules

Popularity Score 9.2
Quality Score 9.3
Sentiment Score 9.7

Highlighted Features

  • Nervous System Support: l-Theanine has been reported to moderate the effects of caffeine on the central nervous system.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
  • Supports Relaxation: l-Theanine is a unique amino acid derived from green tea, which has been recognized for centuries as having relaxant properties and helps promote relaxation without causing drowsiness.*
  • Support For Occasional Stress: I-Theanine may also ease occasional nervous tension and irritability and help moderate occasional stress.*
  • Pure Difference: What makes us different isn’t just our process or what goes into our supplements — what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Additional Info :

Brand Pure
Color White
Item Dimensions
Height 17
Width 30
Length 27
Weight 20.61
No. 13


Liposomal GABA Supplements 1000mg with L-Theanine 200mg,High Absorption,Ashwagandha,Chamomile,Tart Cherry Herbal Supplement for Adults,60 Softgels,Non-GMO,Gluten Free

Popularity Score 9.1
Quality Score 9.3
Sentiment Score 9.3

Highlighted Features

  • FREE OF COMMON ALLERGENS, 100% NON-GMO: GABA supplements are manufactured in the UK under the strictest quality controls. They have been developed with Good Manufacturing Practices (GMP), contain No Gluten, Dairy, Soy, Tree Nuts, and have Zero Sugar.
  • HIGH BIOAVAILABILITY GABA SUPPLEMENT: With superior absorption compared to regular GABA, liposomal GABA 1000mg can help you reach optimal levels of GABA sooner, so you can experience the potential benefits faster.
  • ADVANCED GABA FORMULA: Every serving of GABA formula contains high potency GABA 1000 mg enhanced with L-Theanine 200 mg, herbal blend (Ashwagandha,Chamomile,Tart Cherry Extract) 80 mg – a powerful combination for women and men.
  • 60-DAY SUPPLY: Adults take 1 softgel daily, swallow whole, do not chew. Comes with 60 softgels per bottle for 2 month supply.
  • SUPERIOR ABSORPTION: With liposomal technology our GABA complex is absorbed direclty into your cells for superb effect. The Non-GMO sunflower phosphatidylcholine (the same building blocks of cell membranes) in our formula is crucial to liposome formation, and helps ensure bioavailability in the body. Other GABA tablets, pills, capsules, liquids and powders have an upper limit of bioavailability because of destruction or degradation by the harsh environment of the GI tract.

Additional Info :

Brand Liposomal
Color White
Item Dimensions
Height 18
Width 42
Length 41
Weight 20.88
No. 14


MaryRuth’s L Theanine 200mg Liquid Drops | L-Theanine + Organic Glycerin | Stress Relief for Adults & Kids | Focus Supplement | Natural Sleep Support | Vegan | Non-GMO | Gluten Free | 30 Servings

Popularity Score 8.9
Quality Score 9
Sentiment Score 9.6

Highlighted Features

  • L-Theanine Liquid Drops: Support stress levels, cognitive function, sleep and more with these delicious, lemon-lime flavored liquid drops. With L-Theanine in easy-to-take liquid form, you can simply take it by mouth, add to a glass of water, your favorite morning juice, or a smoothie!
  • Multiple Benefits: L-Theanine is an amino acid found primarily in green and black tea and some mushrooms. It promotes relaxation and may ease occasional anxiety and stress while supporting memory and thinking skills (cognitive function).
  • Easy-to-Take-Drops: Shake well before each use. Once daily, take directly by mouth. Avoid direct dropper contact to mouth to prevent product contamination. Use the following to assess dosage or dose as recommended by a physician or healthcare professional: 4-8 Years: Up to 30 drops (1 mL)/day, 9-13 Years: Up to 60 drops (2 mL)/day, 14+ Years: Up to 60 drops (2 mL)/day, Pregnant/Lactating: Consult with a physician or healthcare professional.
  • Vegan Formula: Per Serving (60 Drops): 200 mg L-Theanine. Other Ingredients: Purified Water, Organic Glycerin, Citric Acid, Natural Flavor, Organic Stevia Leaf Extract, and Potassium Sorbate. Formulated for Adults and Kids.
  • For Most Lifestyles: MaryRuth L Theanine liquid drops are Non-GMO, Vegan, Made in a GMP (Good Manufacturing Practice) Facility Dairy Free, Nut Free, Soy Free, and Sugar Free. Each bottle comes with 30 servings.

Additional Info :

Brand MaryRuth’s
Color Unknown
Item Dimensions
Height 20
Width 38
Length 33
Weight 83.08
No. 15

Neuriva Sleep Plus with 4-in-1 Benefits – Clinically Tested Ashwagandha, L-Theanine & Melatonin – Reduce Stress, Fall Asleep Faster, Improve Sleep Quality, Wake Up Refreshed*, 58ct Capsules

Popularity Score 9
Quality Score 9.4
Sentiment Score 9.3

Highlighted Features

  • BEDTIME’S BEST MULTI-TASKER: Users of this sleep support supplement will enjoy 4-in-1 benefits: reduce everyday stress, fall asleep faster, improve sleep quality, and wake up feeling recharged.
  • HOW TO ENJOY: Adults 18 years and older, take two (2) capsules, 30 to 60 minutes before bedtime.
  • These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
  • NATURAL SLEEP AID: Neuriva Sleep Plus is a sleep support supplement with clinically tested Shoden Ashwagandha, L-Theanine and Melatonin because we believe sleep marks the beginning of the day, not the end. Try Neuriva Sleep Plus today and experience the hype behind Better Sleep For Better Days
  • MELATONIN: This compound is naturally produced in the body to help regulate your sleep cycle. We included it to help you fall asleep faster, so you can drift off into a good night’s rest.

Additional Info :

Brand Neuriva
Color Off-white
Item Dimensions
Height 20
Width 32
Length 37
Weight 33.15
No. 16


L-Theanine 200mg Capsules | Double-Strength L-Theanine Liquid with Vitamin D3, Organic Coconut Oil | Supports Mood, Focus, Stress Relief | L-Theanine for Kids & Adults | 60 Vegan Capsules (2 Pack)

Popularity Score 8.9
Quality Score 9.2
Sentiment Score 9.3

Highlighted Features

  • Fast-Acting Vegan Liquid Capsule – Our L-Theanine is made with organic virgin coconut oil for maximum absorption – and is the world’s first vegan liquid cap with zero animal gelatin! Because when you need a calm and clear mind, you need it fast.
  • Relaxation & Focus – L-Theanine promotes relaxation without drowsiness. Great for helping eliminate daily stresses or unwinding after a long day, this nutrient has been clinically shown to relax the body while also enhancing focus & clarity of mind.
  • Enhanced Benefits with Vitamin D3 – Studies show that D3, “the sunshine vitamin”, can improve mood. Together with L-Theanine, you have the perfect duo to be healthy & happy, as they work in harmony to reduce stress while improving positivity & sleep.
  • The Nutrient Found in Green Tea – Since ancient times, it has been said that drinking green tea soothes stress and helps the body relax. Clinical studies show that the amino acid L Theanine found in green tea leaves is responsible for these benefits.
  • Double-Strength 200mg per Capsule – Vegan | Non-GMO | Gluten-Free | Soy-Free | Made with Organic Ingredients | Lab-Tested & Verified | Made in USA | No Artificial Fillers or Coloring

Additional Info :

Brand L-Theanine
Color Silver
Item Dimensions
Height 5
Width 23
Length 25
Weight 71.41
No. 17

Pure Science L-Theanine Supplement 400 mg – Supports Cognition, Improves Mental Performance and Calms the mind and Reduce stress – 50 Vegetarian Capsules

Popularity Score 9.5
Quality Score 9
Sentiment Score 9.8

Highlighted Features

  • GOOD MANUFACTURING PRACTICES CERTIFIED: Produced by GMP certified facilities with the highest manufacturing and sourcing standards of Pure Science. ‘Rooted in Science, Backed by Research’ as its motto, Pure Science Supplements focuses on producing the best and safest products for our customers to achieve greater vitality in mind and body by using only the best raw materials obtained through rigorous research.
  • CALMS THE MIND: L-Theanine 400mg increases the production of GABA, an amino acid and neurotransmitter, which works to inhibit other neurotransmitters that produce fight-or-flight responses, resulting in calming the mind and body.
  • REDUCES STRESS AND PROMOTES FEELINGS OF WELL-BEING: L theanine capsules limit the neurochemicals which cause stress reactions. It helps ease negative emotions and stress caused by unregulated neurotransmitters and hormonal activity in the brain and body, thus, promoting a natural feeling of well-being.
  • BOOSTS COGNITION AND MENTAL PERFORMANCE: L theanine supplement promotes the generation of alpha waves, known to accompany periods of intense creativity and intense mental focus. Due to L-Theanine’s calming effect, it can help you concentrate better, improve mood and focus on the purpose you have for the day – whether you intend to relax or be productive.
  • MONEY-BACK GUARANTEE: As we are confident of the efficacy of Pure Science L-theanine vegan capsules, all purchases are backed by a 100% money-back guarantee should you be unsatisfied. Our products are potent for 2 years from manufacture date.

Additional Info :

Brand Pure
Color White
Item Dimensions
Height 14
Width 38
Length 33
Weight 53.59
Save 33%No. 18


Bronson L-Theanine 200mg (Double-Strength) with Passion Flower Herb, Non-GMO Gluten-Free Soy-Free Stress Management Supplement, 360 Capsules

Popularity Score 9.1
Quality Score 9.5
Sentiment Score 9.2

Highlighted Features

  • Superior Quality: Laboratory tested. All Bronson products are tested in our state-of-the-art cGMP registered facility in New York.
  • Lasting Calmness: L Theanine is known for promoting a healthy stress response and supporting relaxation without drowsiness.*
  • Supports Brain Health: L-Theanine is a powerful Amino Acid that is derived from green & black tea. Many people take L-Theanine supplements to help reduce the negative effects of caffeine. L-Theanine is also taken to help with focus & cognition, sleep quality support, and to promote a healthy stress response and relaxation.*
  • Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

Additional Info :

Brand Bronson
Color Unknown
Item Dimensions
Height 19
Width 27
Length 25
Weight 84.13
Save 30%No. 19


Jarrow Formulas Theanine 200 mg, Neurologically Active Amino Acid, Found in Green Tea, Promotes Relaxation, White, 60 Count

Popularity Score 9.8
Quality Score 9.1
Sentiment Score 9.5

Highlighted Features

  • Relaxation & Pleasure – Theanine supports relaxation without causing drowsiness, as measured by increased generation of alpha-waves. Theanine may improve sensations of pleasure by affecting dopamine and serotonin neurotransmitters in the brain.
  • Neurologically Active Amino Acid – Theanine is a unique amino acid found almost exclusively in green tea that exerts beneficial effects on brain metabolism.
  • Veggie Caps – Take one veggie capsule per day with water or juice on an empty stomach or as directed by your qualified healthcare professional. This formula is suitable for vegans and vegetarians.
  • Superior Nutrition & Formulation – The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery

Additional Info :

Brand Jarrow
Color Black
Item Dimensions
Height 2
Width 37
Length 31
Weight 52.78
No. 20

Sleep Trio – New Formulation Magnesium Apigenin L-Theanine Capsules – Premium 3-in-1 Magnesium Apigenin L-Theanine Cocktail for Sleep Management – 60 Capsules

Popularity Score 8.9
Quality Score 8.9
Sentiment Score 9.6

Highlighted Features

  • Multiple Benefits: Our apigenin supplement for sleep is a simple and effective solution developed by physicians to help improve your sleeping pattern. The formula is developed with magnesium glycinate to mediate sleep regulation and enhance the calming properties of magnesium. This new formulation also helps egulate the GABA system and help you relax and unwind.
  • Balanced New Formula: Each serving of our sleep complex contains 50mg of apigenin, 400mg of magnesium bis-glycinate, and 200mg of L-theanine that can make a real difference in your life. These high-dose ingredients are quickly absorbed into the bloodstream for sleep enhancing effects.
  • Safe and Secure: We make sure that our sleep magnesium capsules contain no harsh fillers or other toxins that could negatively impact your wellness. Pouches are manufactured in China, ingredients are third party tested in the US, and cGMP certified. This sleep aid with L-theanine is free from GMOs, dairy, egg, soy, gluten, wheat, fillers, or artificial colors or flavors.
  • Cognitive Function Support: Through better rest, our sleep supplement powder capsules may have beneficial effects on the whole cognitive system. This supplement can help you relax and unwind, helping you to manage brain fog, cloudiness, and anxiety.
  • Innovative Supplement: NEW FORMULATION with magnesium bis-glycinate. Unlike any other supplement on the market, the LongLiv Heath and Vitality magnesium bis-glycinate, L-theanine, apigenin supplement features 3 active ingredients that work together to promote wellness and sleep health.

Additional Info :

Brand Sleep
Color Off-white
Item Dimensions
Height 2
Width 26
Length 27
Weight 61.7

Best L-Theanine Supplements Buying Guide

Our team has compiled this in-depth buying guide for you to make searching for the product that best suits your needs more leisurely. We’ve included a number of factors to consider, such as cost, quality, and suitability, to assist you in choosing the ideal product for your requirements.

The guide we offer is a perfect example of how to use it to get the best value for your money on a high-quality item.

Quality

It’s important to remember the importance of quality when purchasing L-Theanine Supplements By definition, quality means having a high degree of excellence or perfection. This can be difficult to define, but it’s essential to consider when making a purchase.

There are many factors that contribute to the quality of a product, but one of the most important is how well the product meets customer expectations.

For example, if a customer expects a product to be easy to use, reliable and durable, then the product should meet all of those expectations.

Quality also includes making sure that the ingredients in a product are safe and effective. When purchasing any kind of product, it is important to consider all aspects of its quality – from design to manufacturing – in order to get the best possible value for your money.

Budget

When it comes to buying L-Theanine Supplements many people often times forget the most important part of the equation, the budget. Products can be expensive, but that doesn’t mean you need to break the bank to get what you want. So, always try to buy a product without going overboard.

First and foremost, make sure you know your budget. Once you have a figure in mind, stick with it. Don’t let yourself be tempted by high-priced items just because they’re on sale. Instead, wait until the sale is over and compare prices before making your purchase.

Special Features

Before you pay your precious money, it is important to take into consideration the special features that the product has. If a product has unique design features that set it apart from the rest, this can be really appealing to consumers.

This could include unique colors or patterns, or innovative shapes. When you find something you like and are able to use it as intended, this can create a great sense of satisfaction.

By doing this, you can be sure that you’re getting the best deal possible and that the product you’re buying will meet your specific needs. Many times, these special features can make a huge difference in how the product is used or how it functions.

Warranty

There’s always the risk that something will go wrong, and you don’t want to be stranded without recourse if things go badly. So, when you’ve determined to purchase a product, make sure to analyze the warranty that comes with it.

A warranty guarantees the purchaser that the product will meet their specific needs, regardless of how the product was used or whether it is within the manufacturer’s guidelines.

By having a warranty, the purchaser can be assured that if there are any problems with their purchase after receiving it, they can go to the manufacturer and have it fixed or replaced.

The length of the warranty is also important when considering whether to take advantage of an extended warranty offered by the retailer.

FAQs

In this portion, we’ve put together some commonly asked questions about the best L-Theanine Supplements found on the internet. Answering these questions will give you a better idea about what people are thinking and solutions to some common concerns.

Is the %KEYWORD% worth the investment?

This product is definitely worth the investment! It has a lot of features that are unique and helpful, and it’s easy to use.

Is there any retail shop to purchase L-Theanine Supplements?

You may get it around local stores; since you can get it delivered to your door, why take the extra mile? Order it now.

Should I Emphasize On After Sales Service Before Making my Purchase?

As you’re hunting for the best L-Theanine Supplements it’s important to ask whether the company has a good track record of providing after-sales service.

If there are any complaints or service issues that have been reported in the past, it may be prudent to take a step back and reconsider purchasing from this company. Additionally, it’s important to ask about the company’s return policy, as some companies will only allow for a certain number of returns per year and/or will require a receipt for reimbursement.

Final Word

We’d like to announce that our best L-Theanine Supplements review and guide to buying was created to give you all the details you require in order to take an educated choice regarding whether or not this product is suitable for you.

We hope that this guide has been helpful to you, and that you’ll keep making use of our website as your main source for reviews of products and buying guidance. Thank you for reading our Buyer’s Guide.

In closing, we want to be sure that reviews from users depend on individual experience and personal opinions. Use them to help you think through possibilities of solutions, but don’t consider them to be definitive solutions.

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