20 Best Powder City L Theanine [2024]

Are you looking for the best powder city l theanine? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling powder city l theanine.

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1 Pure L-Theanine Powder, 100 Grams (1 Year Supply), Filler Free, No GMOs and Vegan Friendly Pure L-Theanine Powder, 100 Grams (1 Year Supply), Filler Free, No GMOs and Vegan Friendly
2 Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes... Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes...
3 Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed State... Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed...
4 L-Theanine 200mg Super Value Size - 365 Vegetarian Capsules L-Theanine 200mg Super Value Size - 365 Vegetarian Capsules
5 L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules
6 Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
7 Onnit Alpha Brain Premium Nootropic Brain Supplement, 30 Count, for Men & Women - Caffeine-Free... Onnit Alpha Brain Premium Nootropic Brain Supplement, 30 Count, for Men & Women - Caffeine-Free...
8 EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60 Fast... EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60...
9 Stress-Relax Chewable Suntheanine L-Theanine 100 mg by Natural Factors, Non-Drowsy Stress Support... Stress-Relax Chewable Suntheanine L-Theanine 100 mg by Natural Factors, Non-Drowsy Stress Support...
10 Jarrow Formulas Theanine 200 mg, Neurologically Active Amino Acid, Found in Green Tea, Promotes... Jarrow Formulas Theanine 200 mg, Neurologically Active Amino Acid, Found in Green Tea, Promotes...
11 Hydrant Sleep Hydration Powder – Rest and Recovery Drink Mix – Fast-Acting Blend of Melatonin,... Hydrant Sleep Hydration Powder – Rest and Recovery Drink Mix – Fast-Acting Blend of...
12 Jarrow Formulas MagMind - 90 Capsules - Includes Magnesium L-Threonate (Magtein) - Supports Brain... Jarrow Formulas MagMind - 90 Capsules - Includes Magnesium L-Threonate (Magtein) - Supports Brain...
13 L-Theanine Powder 100g (500 Day Supply) 100% Pure, Non-GMO, Gluten Free, Mood and Cognitive... L-Theanine Powder 100g (500 Day Supply) 100% Pure, Non-GMO, Gluten Free, Mood and Cognitive...
14 Nutricost L-Theanine Powder 100 Grams - Gluten Free & Non-GMO Nutricost L-Theanine Powder 100 Grams - Gluten Free & Non-GMO
15 Active Aid Clean Energy Drink Mix - Sugar-Free, No Crash, Keto-Friendly Hydration, Energy & Immunity... Active Aid Clean Energy Drink Mix - Sugar-Free, No Crash, Keto-Friendly Hydration, Energy &...
16 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
17 MAX Absorption Liquid L-Theanine Drops | All Natural, Vegan, Alcohol Free, Non-GMO | for Stress... MAX Absorption Liquid L-Theanine Drops | All Natural, Vegan, Alcohol Free, Non-GMO | for Stress...
18 Stress-Relax Suntheanine L-Theanine 125 mg by Natural Factors, Non-Drowsy Stress Support for Mental... Stress-Relax Suntheanine L-Theanine 125 mg by Natural Factors, Non-Drowsy Stress Support for...
19 BulkSupplements.com L-Theanine Powder - Focus Aid - Alpha Amino - L Theanine - Amino Acid... BulkSupplements.com L-Theanine Powder - Focus Aid - Alpha Amino - L Theanine - Amino Acid...
20 Cortisol Manager Allergen Free - Integrative Therapeutics - with Ashwagandha, L-Theanine - Reduces... Cortisol Manager Allergen Free - Integrative Therapeutics - with Ashwagandha, L-Theanine -...
Bestseller No. 1
Pure L-Theanine Powder, 100 Grams (1 Year Supply), Filler Free, No GMOs and Vegan Friendly
  • Micro Ingredients L-Theanine Supplements, 100 Grams (1 Year Supply), Filler Free, No GMOs and Vegan Friendly.
  • No Additives, No Preservatives, No Fillers, No GMOs, No Artificial Colors, No Soy and No Gluten
  • Scoop included to get the measurement every time. Take it daily with or between meals by adding it to a shake or smoothie, see what the most nutrient...
  • Powder lover? Take it naturally in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun.
SaleBestseller No. 2
Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes...
  • ALERT & CALM: L-Theanine is an amino acid commonly found in green tea and is believed to help with relaxation. Suntheanine is patented, researched,...
  • 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...
  • Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For...
  • 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...
  • THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing....
Bestseller No. 3
Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed State...
  • 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
SaleBestseller No. 4
L-Theanine 200mg Super Value Size - 365 Vegetarian Capsules
  • SUPER VALUE SIZE - 365 Vegetarian Capsules
  • 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!
  • Made in the USA - GMP NSF Certified Facility - Kosher Certified
Bestseller No. 5
L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules
  • L-Theanine 200mg may promote relaxation without drowsiness. Also may restores a sense of calm.
  • Found naturally in green tea
  • Natural Ingredients - Good Health from the Source!
  • Made in the USA - GMP NSF Certified Facility - Kosher Certified
  • ►► To SAVE EVEN MORE! Select our SUPER VALUE SIZE - 365 Vegetarian Capsules
Bestseller No. 6
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
  • 120 Capsules of L-Theanine Per Bottle
  • 200mg L-Theanine Per Serving (120 Servings)
  • Easy To Take Capsules
  • Non-GMO, Gluten Free
  • Manufactured In a GMP Compliant, FDA Registered Facility
Bestseller No. 7
Onnit Alpha Brain Premium Nootropic Brain Supplement, 30 Count, for Men & Women - Caffeine-Free...
  • Alpha Brain Daily Mind Support: Boost your brain with Onnit Alpha Brain Booster. These mind supplements for focus can help enhance memory and...
  • Enhance Your Focus: Whether you’re focusing on your career, academics, social life, or athletics, Alpha Brain helps support memory, mental speed and...
  • Carefully Selected Ingredients: These brain vitamins are formulated with high-quality nutrients. They include Cat’s Claw Extract, Bacopa, Oat Straw,...
  • Quality Formulas: Alpha Brain is stimulant-free to avoid afternoon lull. It is free of caffeine, dairy, nuts, or gluten.
  • Leading Nootropics Since 2011: Alpha Brain supplements have been a market leader in the nootropics space since 2011.
Bestseller No. 8
EZ Melts L-Theanine, 200 mg, Sublingual Vitamins, Vegan, Zero Sugar, Natural Cherry Flavor, 60 Fast...
  • 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
Bestseller No. 9
Stress-Relax Chewable Suntheanine L-Theanine 100 mg by Natural Factors, Non-Drowsy Stress Support...
  • Non-drowsy peace of mind: Feel calm and stay sharp with help from 100 mg of natural L-theanine in a delicious chewable; Fast-acting support for...
  • Calm and focused: Promotes calmness and helps stimulate an overall sense of relaxation; Perfect for working through daytime stress and relaxing at...
  • Natural ingredients: Suntheanine is a pure source of L-Theanine, an amino acid found in green tea and processed for maximum calming effects
  • Two tablets: Take up to 3 times daily; Vegan, non-GMO, non-habit forming and free of gluten and soy; Tropical flavored
  • Third-party certified: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity...
SaleBestseller No. 10
Jarrow Formulas Theanine 200 mg, Neurologically Active Amino Acid, Found in Green Tea, Promotes...
  • Neurologically Active Amino Acid: Theanine is a unique amino acid found almost exclusively in green tea that exerts beneficial effects on brain...
  • Relaxation and Pleasure: Theanine induces relaxation without causing drowsiness, as measured by increased generation of alpha-waves; Theanine may...
  • 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...
  • Superior Nutrition and Formulation: The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior...
Bestseller No. 11
Hydrant Sleep Hydration Powder – Rest and Recovery Drink Mix – Fast-Acting Blend of Melatonin,...
  • Electrolytes & Mineral Enriched – Hydrant bedtime powder mix offers a delicious blend of electrolytes and minerals that support restorative sleep...
  • Improve Recovery & Hydration – Our hydration powder supplement is a sleep-friendly beverage option. This recovery drink powder will help provide...
  • Science Backed Formula – This nighttime mix was developed by an Oxford scientist for people looking for a more restful night’s sleep Our hydration...
  • Hydrating Nighttime Support – Our sleep mix supplement is your secret weapon to uninterrupted, better quality sleep. Poor quality sleep can have an...
  • 30 Hydration Packets – The travel size package includes 30 packets of sleep hydration mix, enough for one month. Mix the powder in hot or cold water...
SaleBestseller No. 12
Jarrow Formulas MagMind - 90 Capsules - Includes Magnesium L-Threonate (Magtein) - Supports Brain...
  • Brain Health and Function: Magnesium l-threonate, or Magtein, is a unique form of magnesium that has been shown to readily cross the blood-brain...
  • MagMind Highlights: Jarrow Formulas MagMind delivers 2 g of Magtein per serving
  • Convenient Capsules: Take three capsules per day (1 capsule in the morning and 2 capsules one hour before bed) with or without meals or as directed by...
  • Superior Nutrition and Formulation: The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior...
Bestseller No. 13
L-Theanine Powder 100g (500 Day Supply) 100% Pure, Non-GMO, Gluten Free, Mood and Cognitive...
  • 🥄 SCOOP INCLUDED: Easily measure the recommended 200 mg dosage with the included anti-static 1/8 teaspoon scoop.
  • 🧪 THIRD-PARTY LAB TESTED: Tested in a US lab separate from the manufacturer to guarantee purity.
  • ☀️ MOOD AND RELAXATION: L-theanine promotes mood health and enhances relaxation. It supports a positive mood so that you can enjoy your day to its...
  • ☕ GOES GREAT WITH CAFFEINE: Eliminate caffeine jitters by taking a 2:1 ratio of L-theanine to caffeine. It makes an excellent partner to coffee or...
  • ✔️ 100% PURE L-THEANINE: No fillers or additives, just pure l-theanine powder packaged in an FDA registered facility.
Bestseller No. 14
Nutricost L-Theanine Powder 100 Grams - Gluten Free & Non-GMO
  • 200mg of L-Theanine Per Serving (500 Servings)
  • Serving Size: 1 Scoop (Included)
  • 100 Grams of L-Theanine Per Bottle
  • Gluten Free and Non-GMO
  • Manufactured In a GMP Compliant, FDA Registered Facility
Bestseller No. 15
Active Aid Clean Energy Drink Mix - Sugar-Free, No Crash, Keto-Friendly Hydration, Energy & Immunity...
  • PACKED WITH A PUNCH - Our healthy energy drink powder mix has powerful hydrating and immune-boosting properties to help keep you at the top of your...
  • HYDRATING FRUITY GOODNESS - Our powdered electrolyte mix has a delicious & smooth fruity flavor with no bitter aftertaste, meaning you get all the...
  • NATURAL & CLEAN ENERGY - Our energy powder drink mix is filled with clean and natural caffeine that helps elevate your mood and give you a boost of...
  • SUGAR-FREE & KETO FRIENDLY - Our natural energy drink powder does not contain any sugar providing you with only pure and clean energy without the...
  • BUY WITH CONFIDENCE - Our main goal with Active Aid was to create a vitamin supplement packed with natural energy, immune boosting qualities and key...
Bestseller No. 16
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...
  • HEALTHY VASCULAR FUNCTION*/WITH INOSITOL: Formulation includes inositol, a member of the B-vitamin family that is essential for brain and nervous...
  • 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...
Bestseller No. 17
MAX Absorption Liquid L-Theanine Drops | All Natural, Vegan, Alcohol Free, Non-GMO | for Stress...
  • PROMOTES RELAXATION – Studies show that L-Theanine may promote an alert state of relaxation without drowsiness. This can help to restore a sense of...
  • THE LIQUID ADVANTAGE – Aside from being easier to consume, liquid drops can be easier and more gentle on the digestive system. The outer shell of a...
  • PREMIUM QUALITY – Each bottle is 60 servings and each serving contains 225mg of L-theanine. L-theanine is an all-natural antioxidant (found in green...
  • NATURAL INGREDIENTS – Non-GMO, vegan/vegetarian friendly. Natural lemon flavor. NO gluten, soy, sugar, milk, yeast, salt, or wheat. No unnecessary...
  • TRY RISK FREE - Our L-theanine Liquid drops are made in the USA by an FDA inspected facility. Each bottle comes with a 90-day satisfaction guarantee....
Bestseller No. 18
Stress-Relax Suntheanine L-Theanine 125 mg by Natural Factors, Non-Drowsy Stress Support for Mental...
  • NON-DROWSY PEACE OF MIND: Feel calm and stay sharp with help from 125 mg of natural L-theanine; Fast-acting support for physical and mental relaxation
  • CALM AND FOCUSED: Promotes calmness and helps stimulate an overall sense of relaxation; Perfect for working through daytime stress and relaxing at...
  • NATURAL INGREDIENTS: Suntheanine is a pure source of L-Theanine, an amino acid found in green tea and processed for maximum calming effects
  • TWO CAPSULES: Take 1-2 times daily; Vegan, non-GMO, non-habit-forming and free of gluten and soy
  • THIRD-PARTY CERTIFIED: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity...
Bestseller No. 20
Cortisol Manager Allergen Free - Integrative Therapeutics - with Ashwagandha, L-Theanine - Reduces...
  • With ongoing use, supports balanced cortisol levels and a healthy response to everyday stress.*
  • Contains clinically studied ingredients including the adaptogen Sensoril brand ashwagandha and Suntheanine L-Theanine .*
  • Promotes relaxation and calm to support restful sleep.* (Melatonin-free supplement)
  • Cortisol Manager Allergen Free does not contain any of the top 8 most common food allergens and is ideal for those with food sensitivities or food...
  • Certified vegan. Contains no gluten, dairy, wheat, or soy.

Having trouble finding a great powder city l theanine?

This problem is well understood by us because we have gone through the entire powder city l theanine research process ourselves, which is why we have put together a comprehensive list of the best powder city l theanines available in the market today.

After hours of searching and using all the models on the market, we have found the best powder city l theanine for 2023. See our ranking below!

How Do You Buy The Best Powder City L Theanine?

Do you get stressed out thinking about shopping for a great powder city l theanine? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching powder city l theanine, which is why we have assembled a comprehensive list of the greatest powder city l theanine available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for powder city l theanine that you consider buying. Your questions might include the following:

  • Is it worth buying an powder city l theanine?
  • What benefits are there with buying an powder city l theanine?
  • What factors deserve consideration when shopping for an effective powder city l theanine?
  • Why is it crucial to invest in any powder city l theanine, much less the best one?
  • Which powder city l theanine are good in the current market?
  • Where can you find information like this about powder city l theanine?

We’re convinced that you likely have far more questions than just these regarding powder city l theanine, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for powder city l theanine, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible powder city l theanine. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an powder city l theanine buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available powder city l theanine currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of powder city l theanine has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an powder city l theanine?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your powder city l theanine.
  5. Customer Ratings: Number ratings grade powder city l theanine objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their powder city l theanine.
  7. Product Quality: You don’t always get what you pay for with an powder city l theanine, sometimes less, and sometimes more.
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John Harvards always remembers that maintaining powder city l theanine information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding powder city l theanine is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What are the benefits of theanine?

A: Benefits and Effects. Theanine helps promote relaxation on a cerebral level by helping the brain relax [2]. It does so by promoting healthy cortisol levels. [3,4]. Theanine has also been shown to help enhance an individual’s sense of well-being as well [5]. L-Theanine may promote healthy memory function and focus [6].

Q: How much L-Theanine is too much?

A: Studies in rats have demonstrated that up to 4 g/kg per day – considered a high L-theanine dose – had a non-toxic outcome on food intake, body weight and morbidity [7]. Other studies have reported that a high dose of 400mg daily L-theanine is safe, tolerable and effective [10].

Q: Does L-theanine help with depression?

A: In a more recent study assessing the effect of L-theanine on patients with depression, L-theanine – in a 250mg/day dose administered over 8 weeks – showed a beneficial outcome in depressive symptoms: anxiety, sleep disturbance and cognitive impairment in all patients [9].

Q: How much L-theanine should I take for anxiety?

A: Other studies have reported that a high dose of 400mg daily L-theanine is safe, tolerable and effective [10]. In addition, a 200-400mg dose of L-theanine reported a decrease in anxiety and stress in healthy participants [15]. Results of acute and toxicity have shown safety even if a high dose is consumed [5].