Best L Theanine Supplement in 2022

Theanine ishistamine, which is an essential amino acid that helps to regulate the immune system. It is found naturally in green tea and is alsoavailable in supplement form. Theanine supplements are commonly used to help boost the immune system, improve cognitive function, and reduce anxiety.

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Things to Consider:

Before buying a theanine supplement, it is important to research the different brands and find one that is reputable. It is also important to consult with a healthcare professional to ensure that the supplement is safe for you to take. Additionally, it is important to read the label carefully to ensure that you are taking the correct dosage.

How We Pick & Test:

We take a detailed approach when it comes to finding the best l-theanine supplement on the market. First, we consider the source of the ingredient. L-theanine is derived from Camellia sinensis, also known as green tea. So, we start by looking for supplements that use green tea as the primary source of this important ingredient.

Next, we evaluate the manufacturing process. We want to make sure that the supplement is produced in a facility that follows Good Manufacturing Practices (GMP). This ensures that the supplement is of high quality and is free of contaminants.

Once we have a shortlist of products, we send them off to an independent laboratory for testing. This allows us to confirm the dosage of l-theanine and to check for any unwanted ingredients.

Finally, we compare the results of our testing to the price of the supplement. We want to make sure that you are getting a high-quality product at a fair price.

Top 10 Best L Theanine Supplement

# Preview Product
1 SPORTS RESEARCH Suntheanine L-Theanine 200mg (Double-Strength) in Cold-Pressed Organic Coconut Oil; Non-GMO & Gluten Free - 60 Liquid Softgels SPORTS RESEARCH Suntheanine L-Theanine 200mg (Double-Strength) in Cold-Pressed Organic Coconut Oil;...
2 NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules
3 L-Theanine 200mg, 120 Capsules — Relaxation and Sleep Support — Soy Free, Gluten Free, Non-GMO —Third Party Tested and Manufactured in The USA by Double Wood Supplements L-Theanine 200mg, 120 Capsules — Relaxation and Sleep Support — Soy Free, Gluten Free, Non-GMO...
4 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 Stress & Sleep, Non-GMO, Gluten Free,...
5 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 MaryRuth's L Theanine 200mg Liquid Drops | L-Theanine + Organic Glycerin | Stress Relief for Adults...
6 NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules
7 EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60 Fast Dissolve Tablets EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60 Fast...
8 Bronson L-Theanine 200mg (Double-Strength) with Passion Flower Herb, Non-GMO Gluten-Free Soy-Free Stress Management Supplement, 360 Capsules Bronson L-Theanine 200mg (Double-Strength) with Passion Flower Herb, Non-GMO Gluten-Free Soy-Free...
9 BulkSupplements.com L-Theanine Powder - Focus Aid Supplement - Amino Acid Nutritional Supplements - Stress Supplements - Amino Acids Supplement for Men - GABA Supplements (100 Grams - 3.5 oz) BulkSupplements.com L-Theanine Powder - Focus Aid Supplement - Amino Acid Nutritional Supplements -...
10 Neuro Gum | Nootropic Energy Caffeine Gum | 40mg Caffeine + 60mg L-theanine + B Vitamins for Energy and Focus | Sugar Free + Vegan + Keto | Caffeine Supplement for Adults Mint Flavor (54 Gums) Neuro Gum | Nootropic Energy Caffeine Gum | 40mg Caffeine + 60mg L-theanine + B Vitamins for Energy...
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Details of Best L Theanine Supplement

SaleBestseller No. 1
SPORTS RESEARCH Suntheanine L-Theanine 200mg (Double-Strength) in Cold-Pressed Organic Coconut Oil; Non-GMO & Gluten Free - 60 Liquid Softgels
  • 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!
  • 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.
  • MANUFACTURED IN THE USA: 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.
  • 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.
  • 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.
SaleBestseller No. 2
NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules
  • STRESS MANAGEMENT*/PROMOTES RELAXATION*: Promotes relaxation without the drowsiness or negative side effects associated with other calming agents.*
  • 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 INOSITOL: Formulation includes inositol, a member of the B-vitamin family that is essential for brain and nervous system health.*
  • CLASSIFICATIONS/CERTIFICATIONS: Vegan, Kosher, Non-GMO
  • 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).
Bestseller No. 3
L-Theanine 200mg, 120 Capsules — Relaxation and Sleep Support — Soy Free, Gluten Free, Non-GMO —Third Party Tested and Manufactured in The USA by Double Wood Supplements
  • Third Party Tested and Manufactured in the USA: Doublewood L Theanine capsules are third party tested and manufactured right here in the USA
  • Supports Relaxation: L Theanine may help supports relaxation without causing drowsiness; Perfect for those that need to remain calm while retaining a sharp mental edge
  • Non-GMO and Gluten Free: Double Wood's L-Theanine is Non-GMO and Gluten Free
  • Works Well with Magtein (Magnesium L-Threonate) and Apigenin: Take with Magnesium L-Threonate and Apigenin for best results
SaleBestseller No. 4
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, 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
  • 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
  • CALMNESS – L-Theanine supports relaxation and a sense of calm without causing drowsiness or loss of focus. This amino acid found naturally in tea helps support healthy stress response, relaxation, focus and memory
  • 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
  • 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
SaleBestseller No. 5
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
  • 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).
  • 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.
  • 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.
  • 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.
SaleBestseller No. 6
NOW Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules
  • STRESS MANAGEMENT*/PROMOTES RELAXATION*: Promotes relaxation without the drowsiness or negative side effects associated with other calming agents.*
  • HEALTHY VASCULAR FUNCTION*/WITH INOSITOL: Formulation includes inositol, a member of the B-vitamin family that is essential for brain and nervous system health.*
  • CLASSIFICATIONS/CERTIFICATIONS: Vegan, Kosher, Non-GMO
  • 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
  • Packaged in the USA by a family owned and operated company since 1968.
Bestseller No. 7
EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60 Fast Dissolve Tablets
  • L-Theanine supports healthy stress response
  • Promotes relaxation and a sense of calm
  • 60 fast melting tablets with "Sweet Cherry" flavor
  • MADE IN THE USA: Zero Sugar, Vegan, Gluten-Free, Non-GMO, Natural Flavors, Natural Sweeteners, Natural Colors
SaleBestseller No. 8
Bronson L-Theanine 200mg (Double-Strength) with Passion Flower Herb, Non-GMO Gluten-Free Soy-Free Stress Management Supplement, 360 Capsules
  • 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.*
  • Superior Quality: Laboratory tested. All Bronson products are tested in our state-of-the-art cGMP registered facility in New York.
  • 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.
SaleBestseller No. 9
BulkSupplements.com L-Theanine Powder - Focus Aid Supplement - Amino Acid Nutritional Supplements - Stress Supplements - Amino Acids Supplement for Men - GABA Supplements (100 Grams - 3.5 oz)
  • 😤 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.
  • 🟠 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!
  • 🧠 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.*
  • ✔️ 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.
  • ⭐ 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.
Bestseller No. 10
Neuro Gum | Nootropic Energy Caffeine Gum | 40mg Caffeine + 60mg L-theanine + B Vitamins for Energy and Focus | Sugar Free + Vegan + Keto | Caffeine Supplement for Adults Mint Flavor (54 Gums)
  • ENERGY + FOCUS + CLARITY: Neuro Gum caffeine gum’s quick release formulation contains the ideal balance of nootropics designed to give you a clean and balanced boost.
  • QUICK EFFECTS: Our patented cold compression system maximizes the delivery and bioavailability of active ingredients. Get clean energy faster than drinking coffee or energy drinks with our caffeine mints and gum.
  • NO SUGAR CRASH: Unlike other energy supplements, we only use high quality GRAS ingredients to get you in the zone with clean energy without the sugar crash.
  • PERFECT ON THE GO: With 9 pieces of optimum energy that fit right into your pocket, you’ll be ready to conquer the world with fresh breath and a fresh mind.
  • ASPARTAME FREE + SUGAR FREE + NON GMO + GLUTEN FREE: Neuro Gum Energy and Focus increases focus and productivity without ingesting artificial forms of energy in drinks or a handful of pills. *Neuro Inc. is not affiliated with or endorsed by NeuroBrands LLC.

Benefits of Best L Theanine Supplement:

Some of the key benefits and features to look for when choosing the best L-theanine supplement include:

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1. L-theanine is an amino acid that is found naturally in green tea. It is a major component of many popular tea brands.

2. L-theanine has been shown to promote relaxation and reduce stress. It can also improve cognitive function and help to improve mood.

3. L-theanine is non-toxic and has few side effects. It is considered safe for most people to take.

4. L-theanine supplements are usually well tolerated and can be taken on an empty stomach or with food.

5. L-theanine supplementation can be an effective way to improve mood, promote relaxation, and enhance cognitive function.

Size:

This is one of those questions that does not have a definitive answer. The correct size of the best L-theanine supplement will vary depending on the person’s individual requirements. The general rule of thumb, however, is to take between 200 and 400 milligrams of L-theanine per day. This can be taken all at once, or in divided doses throughout the day.

Design:

Designers of the best l theanine supplement would likely consider a few key factors when formulating their product. They would want to ensure that the product is effective in providing the desired results, which in this case would be increased relaxation and a reduction in stress and anxiety. They would also want to consider the safety of the product and make sure that it does not cause any adverse side effects. Finally, they would want to make sure that the product is affordable and accessible to as many people as possible.

Ease of Use:

There are many things to consider when purchasing a theanine supplement, but one of the most important factors is ease of use. The best theanine supplements on the market are those that are easy to take and that don’t require any special preparation. You should be able to take the supplement without having to mix it with anything or to follow any special instructions. This means that the supplement should be easy to swallow and that it should be able to be taken with or without food.

Convenience:

There are many theanine supplements on the market today, but not all of them are created equal. The best theanine supplement will be one that is convenient to take, effective, and safe. It should also be affordable.

When looking for a theanine supplement, it is important to read the ingredients label. Some products may contain ingredients that could cause side effects. It is also important to read reviews of the product before purchasing it.

The best theanine supplement will be one that is easy to take. It should be in a capsule or pill form. It should also be taken with water.

The best theanine supplement will be one that is effective. It should be able to increase energy levels, improve mental clarity, and decrease stress levels.

The best theanine supplement will be one that is safe. It should not cause any side effects. It should also be affordable.

Durability:

There are many different brands of theanine supplements on the market, but not all of them are created equal. Some are made with inferior ingredients that can degrade quickly, while others use high-quality ingredients that are designed to last. When it comes to the durability of a theanine supplement, you want to make sure you choose one that is made with care and attention to detail. The best theanine supplement will be made with the highest quality ingredients and will be designed to withstand the test of time.

Frequently Ask Questions:

Q: What does L-theanine help with?

A: L-theanine has been shown to be effective in treating anxiety and improving sleep quality.

Q: How much L-theanine should I take?

A: The recommended dosage of L-theanine is 200-400 mg per day.

Q: What are the side effects of L-theanine?

A: L-theanine is considered to be safe with no reported side effects.

Conclusion:

If you are looking for a natural supplement to help you relax and focus, then L-theanine may be the best option for you. This amino acid is found naturally in green tea and is known to promote relaxation without drowsiness. L-theanine supplements are generally safe and well-tolerated, but be sure to speak with your healthcare provider before starting any new supplement.

Last update on 2022-09-28 / Affiliate links / Images from Amazon Product Advertising API.

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