20 Best Is L Theanine A Nootropic [2024]

Are you looking for the best Is L Theanine A Nootropic? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Is L Theanine A Nootropic.

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1 Elite Caffeine with L-Theanine – Jitter-Free Focused Energy Pills – Natural Nootropic Stack for... Elite Caffeine with L-Theanine – Jitter-Free Focused Energy Pills – Natural Nootropic Stack...
2 Keto Brainz C8MCT based Nootropic - With 500mg Lion's Mane Mushroom, AlphaGPC & L-Theanine this is... Keto Brainz C8MCT based Nootropic - With 500mg Lion's Mane Mushroom, AlphaGPC & L-Theanine this...
3 Zen Stress Relief Supplement - Premium Herbal Formula Supporting Calm Mood with Ashwagandha,... Zen Stress Relief Supplement - Premium Herbal Formula Supporting Calm Mood with Ashwagandha,...
4 Caffeine and L-Theanine Capsules | 60 Pills | Contains 100mg of Caffeine and 200mg of L-Theanine |... Caffeine and L-Theanine Capsules | 60 Pills | Contains 100mg of Caffeine and 200mg of L-Theanine...
5 Onnit Alpha Brain Premium Nootropic Brain Supplement, 90 Count, for Men & Women - Caffeine-Free... Onnit Alpha Brain Premium Nootropic Brain Supplement, 90 Count, for Men & Women - Caffeine-Free...
6 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...
7 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...
8 L-Theanine Capsules 200mg (90 Count) | Promotes Relaxation | Supports Healthy Stress Levels + Sleep... L-Theanine Capsules 200mg (90 Count) | Promotes Relaxation | Supports Healthy Stress Levels +...
9 Nootropic Brain Health Vitamins Supplement: Memory Focus Mind Brain Nootropics Booster by Braintain... Nootropic Brain Health Vitamins Supplement: Memory Focus Mind Brain Nootropics Booster by...
10 Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes... Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes...
11 Nootropic Brain Booster Supplement for Focus, Memory, Clarity and Energy - Dynamic Brain Supplement... Nootropic Brain Booster Supplement for Focus, Memory, Clarity and Energy - Dynamic Brain...
12 Focus Enhancing Coffee - Brain Boosting Organic Coffee With L-Theanine Adaptogens For Energy,... Focus Enhancing Coffee - Brain Boosting Organic Coffee With L-Theanine Adaptogens For Energy,...
13 Genius Joy, Nootropic Mood Enhancer Supplement - Support Cognitive Health, Enhance Mood & Neural... Genius Joy, Nootropic Mood Enhancer Supplement - Support Cognitive Health, Enhance Mood & Neural...
14 SmartJava Organic Ground Coffee with Brain Boost, Improve Focus & Memory, Medium Roast, Healthy... SmartJava Organic Ground Coffee with Brain Boost, Improve Focus & Memory, Medium Roast, Healthy...
15 Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free,... Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free,...
16 SOS L-Theanine, 150mg x 120 Capsules, Nootropics, Mental Performance, Focus, Stress Relief (120... SOS L-Theanine, 150mg x 120 Capsules, Nootropics, Mental Performance, Focus, Stress Relief (120...
17 NEURIVA Plus Brain Supplement For Memory, Focus & Concentration + Cognative Function with Vitamins... NEURIVA Plus Brain Supplement For Memory, Focus & Concentration + Cognative Function with...
18 Nootropic Brain Booster Supplement Pro-Series Focus - w/ Cognizin, SerinAid Phosphatidylserine,... Nootropic Brain Booster Supplement Pro-Series Focus - w/ Cognizin, SerinAid Phosphatidylserine,...
19 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...
20 Nootropic Brain Support Supplement - NEURIVA De-Stress Capsules (30 Count in a Bottle), for Everyday... Nootropic Brain Support Supplement - NEURIVA De-Stress Capsules (30 Count in a Bottle), for...
Bestseller No. 1
Elite Caffeine with L-Theanine – Jitter-Free Focused Energy Pills – Natural Nootropic Stack for...
  • Each serving is formulated with 99.8%+ purity Caffeine and L-Theanine at full researched dose. You can have the confidence that every caffeine l...
  • We blend all our products at a cGMP Certified Laboratory to ensure contaminant-free energy pills. We wouldn't have it any other way and neither should...
  • Caffeine l Theanine are super ingredients with no jitters or crash to power you through your workouts and activities. As researched, each two capsule...
  • Pure natural formula in easy-to-swallow soft capsules, completely free of fillers, binders, and artificial ingredients. No gluten, wheat, or dairy....
  • Try our products without worry with our 100% Happiness & Health Commitment. We're confident that you will see results and be thrilled with your...
Bestseller No. 2
Keto Brainz C8MCT based Nootropic - With 500mg Lion's Mane Mushroom, AlphaGPC & L-Theanine this is...
  • PURE. EFFECTIVE. NO BS. OUR NOOTROPIC IS NO JOKE. It is no exaggeration when we say that our creamer is NO BS. Unlike many other nootropic coffees and...
  • Additionally, unlike other products on the market, you will not need to blow through multiple servings just to get your coffee to the the right creamy...
  • ONE scoop will give you 300mg AlphaGPC, 250mg L-theanine, 500mg Lion’sMane mushroom, and 8g of MCT powder concentrated for C8. KETO BRAINZ Nootropic...
  • Enhances ketone production, increases focus and working memory, optimizes clarity, and boosts physical performance.* Low carb, sugar free, keto...
  • UPGRADE YOUR BRAIN. LEVEL UP YOUR LIFE!
Bestseller No. 3
Zen Stress Relief Supplement - Premium Herbal Formula Supporting Calm Mood with Ashwagandha,...
  • Occasional Stress Support: Do you get overwhelmed by daily stressors? We know the feeling, which is why we created our premium Zen formula. It's...
  • Stay Focused and Calm: You deserve to live a happy, healthy life. That's why we combine superfoods like Passionflower and Niacinamide powder with...
  • Vitamins for Men and Women: Zen's vitamin supplement is a vegan daily multivitamin for women and men who want to help improve their mood. We use...
  • Herbal Ingredients: WellPath Zen's calming vitamin for men & women feature Ashwagandha, an Ayurvedic herb known to assist with balancing occasional...
  • A Safe Brand You Can Trust: National publications recommend WellPath as a highly trusted provider of premium wellness supplements. Zen multi vitamins...
Bestseller No. 4
Caffeine and L-Theanine Capsules | 60 Pills | Contains 100mg of Caffeine and 200mg of L-Theanine |...
  • FAST-ACTING ENERGY AND FOCUS. This powerful nootropic blend provides 100mg Caffeine + 200mg L-theanine per serving boosting mental focus and alterness...
  • NO CRASH NO JITTERS. CALM CLEAN ENERGY. Caffeine + L-theanine pills are a safe, convenient & economic alternative to sugary coffee and energy drinks...
  • LAB TESTED AND VERIFIED - All Nootropics Depot products are thoroughly lab tested to ensure our customers are receiving only the highest quality...
  • Caffeine 100mg + L-Theanine 200mg Capsules - 60 Count Jar
Bestseller No. 5
Onnit Alpha Brain Premium Nootropic Brain Supplement, 90 Count, for Men & Women - Caffeine-Free...
  • Alpha Brain Daily Cognitive Support: Combat occasional brain fog and boost focus with the Onnit Alpha Brain Booster Supplement! These brain...
  • Enhance Your Focus: Whether you’re focusing on your career, academics, social life, or athletics, this memory supplement for the brain is a...
  • Carefully Selected Ingredients: These brain vitamins are formulated with high-quality nutrients to help support focus. They include Cat’s Claw...
  • Quality Formulas: Designed to help reduce memory fog, these brain supplements are stimulant-free, so you don’t have to worry about afternoon...
  • Leading Nootropics Since 2011: The ultimate way to support memory, brain focus, and cognitive processing speed, Alpha Brain memory supplements have...
Bestseller No. 6
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. 7
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. 8
L-Theanine Capsules 200mg (90 Count) | Promotes Relaxation | Supports Healthy Stress Levels + Sleep...
  • Pure L-Theanine Capsules
  • In-house lab-tested for product purity and identity.
  • Tamper-evident shrink band included on every jar.
  • Non-GMO, gluten free, and vegan.
  • Store in a cool & dry place. Keep away from direct sunlight and heat.
Bestseller No. 9
Nootropic Brain Health Vitamins Supplement: Memory Focus Mind Brain Nootropics Booster by Braintain...
  • ✅ Braintain Daily Memory, Focus and Energy Support - Boost your brain health with our scientific formula to improve brain cell communication for...
  • ✅ Revitalize your mental focus - Braintain nootropic keeps your brain healthy and working at a higher cognitive level with sharply elevated memory...
  • ✅ Reduce brain fog, improve calmness - Braintain brain supplement helps support your focus on career success, academics, social life, or competition...
  • ✅ Natures power and brain doctors expertise - Braintain is a powerful, yet natural nootropic supplement specifically formulated by brain experts...
  • ✅ High-quality ingredients, extensively tested - Braintain is an all-natural brain boos supplement with 13 powerful ingredients (Huperzine A,...
SaleBestseller No. 10
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. 11
Nootropic Brain Booster Supplement for Focus, Memory, Clarity and Energy - Dynamic Brain Supplement...
  • COGNITIVE PERFORMANCE BOOSTER - Tired of brain fog and mental fatigue? Blue Mind's proprietary formula is designed to give your brain a boost by...
  • CLINICALLY TESTED INGREDIENTS - Our 5 simple & natural ingredients in our focus pills have been shown to improve performance, memory, and focus in...
  • LONG-LASTING FOCUS - Our blend packs a focus supplement, energy, and a memory booster in one easy-to-use formula. Experience the power of natural...
  • ADVANCED NOOTROPIC SUPPLEMENTS - Experience the power of our proprietary lions mane extract, When combined with Green Tea Caffeine, and L-Theanine...
  • BLUE MIND STATE - Feel productive, accomplish tasks, and breeze through your day like never before with laser focus and an all-day natural energy...
Bestseller No. 12
Focus Enhancing Coffee - Brain Boosting Organic Coffee With L-Theanine Adaptogens For Energy,...
  • ☕ 100% ORGANIC COFFEE - Low Acidity, Direct trade, micro-roasted organic coffee grounds for optimal freshness and clean energy
  • 🧠 L-THEANINE INFUSED - L-Theanine is found naturally in green tea and mushrooms. Theanine elevates levels of dopamine, which helps the brain...
  • 🍄 ADAPTOGEN COFFEE - Since L-Theanine is derived from mushrooms and green tea, we are harnessing the active ingredient used in mushroom coffee...
  • 🤓 IMPROVED MENTAL FOCUS AND ATTENTION - Our combination of high quality, additive free organic coffee delivers an optimal amount caffeine to work...
  • ➕ HIGH IN ANTIOXIDANTS - Organic Coffee is a very high antioxidant superfood. Antioxidants may help reduce the risk of serious health conditions as...
Bestseller No. 13
Genius Joy, Nootropic Mood Enhancer Supplement - Support Cognitive Health, Enhance Mood & Neural...
  • Amp Up the Joy in Your Life*: Genius Joy by the Genius Brand is a natural mood-boosting supplement formulated with high-quality ingredients including...
  • Enhance Mood & Neural Function*: Genius Joy’s hand-picked blend of nootropics, adaptogens, and natural energy boosters promote a natural sense of...
  • Support Cognitive Health*: L-Theanine, N-Acetyl-L-Tyrosine, and Rhodiola support calm, alertness, and mental focus.* Red Panax Ginseng may support...
  • How to Use: To assess your tolerance to this product, take 2 capsules a day on an empty stomach. After three days, if you’re not experiencing...
  • Supplement Smarter: Genius Brand supplements are a rejection of backwards industry dogma that misled generations of health and wellness enthusiasts....
Bestseller No. 14
SmartJava Organic Ground Coffee with Brain Boost, Improve Focus & Memory, Medium Roast, Healthy...
  • CREATIVE FOCUS: L-Theanine is a natural nootropic that has been clinically proven to elevate focus and concentration when combined with the natural...
  • MEMORY, CONCENTRATION, BRAIN ENERGY: Alpha GPC is a natural nootropic prized for its ability to improve memory, boost mental energy, and increase...
  • BRAIN CELL PROTECTION: Antioxidants contained in turmeric and cinnamon have been shown to protect against age-related cognitive decline.
  • HEALTH & IMMUNITY: Vitamins B1, B6, B9, and B12 are key brain nutrients that fuel neurotransmitter growth and overall cognitive health.
  • ELEVATE MOOD: Vitamin D3 and Alpha GPC have both been shown to improve mood.
Bestseller No. 15
Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free,...
  • 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...
  • CALMNESS – L-Theanine supports relaxation and a sense of calm without causing drowsiness or loss of focus. This amino acid found naturally in tea...
  • SUPPORTS BRAIN HEALTH - L-Theanine is a powerful Amino Acid that enhances cognitive performance and alertness. L-Theanine may help improve quality of...
  • SUNTHEANINE - L-theanine is an agent that is used for nervousness and tension by supporting mental tranquility. Suntheanine may normalize the body’s...
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when...
Bestseller No. 16
SOS L-Theanine, 150mg x 120 Capsules, Nootropics, Mental Performance, Focus, Stress Relief (120...
  • L-theanine is clinically proven to promote an alert state of relaxation without drowsiness, as indicated by an increase in Alpha brain waves and a...
  • Support- Take for Relaxation without drowsiness, Reduce Stress, Increase Focus, Reduce Anxiety, Improve Sleep Quality, Take any time of day.
  • Formula - created with high-grade ingredients, free from fillers; making it an easy to swallow capsule.
  • Quality/Warranty - Third Party tested for Quality. Made in a GMP certified production environment in the USA. Quality is guaranteed, or your money...
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when...
SaleBestseller No. 17
NEURIVA Plus Brain Supplement For Memory, Focus & Concentration + Cognative Function with Vitamins...
  • NOOTROPIC BRAIN SUPPORT GUMMIES: Clinical studies have shown that coffee cherry Neurofactor and plant-sourced PS phosphatidylserine have a positive...
  • MENTAL PERFORMANCE: Clinically tested Neurofactor helps support focus, concentration & accuracy, while Clinically tested Plant-Sourced...
  • CLINICALLY TESTED NEUROFACTOR: This whole fruit extract has been Clinically tested and shown to increase levels of the vital neuroprotein BDNF...
  • HOW TO ENJOY: Adults 18 years and older, chew two gummies daily. Chew thoroughly before swallowing.
  • GREAT TASTE, TRUSTWORTHY INGREDIENTS: These delicious Strawberry flavor brain support gummies were formulated with you in mind, so they are...
Bestseller No. 18
Nootropic Brain Booster Supplement Pro-Series Focus - w/ Cognizin, SerinAid Phosphatidylserine,...
  • Clinically Dosed Nootropic Formula: Pro-Series Focus is an advanced brain supplement designed to optimize mental performance while keeping you calm,...
  • Premium Brain Booster: Pro-Series Focus energy pills are a premium nootropics brain support supplement. Using Pro-Series Focus can help promote...
  • Memory Supplement for Brain Health: Pro-Series Focus improves mental and cognitive function so you can focus for hours on end. Experience a clean,...
  • Boost Motivation, Increase Focus, Improve Mood, & Ease Stress: Pro-Series Focus sets a new standard for energy supplements. Our science-based focus...
  • Manufactured in a cGMP Facility: All Jacked Factory products are manufactured with quality ingredients in a multi-certified USA facility that...
Bestseller No. 19
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. 20
Nootropic Brain Support Supplement - NEURIVA De-Stress Capsules (30 Count in a Bottle), for Everyday...
  • FUELS BRAIN HEALTH IN 5 WAYS: Neuriva De-Stress fuel brain health in 5 ways: everyday stress reduction, relaxation, focus, accuracy and concentration....
  • CLINICALLY PROVEN NATURALLY SOURCED INGREDIENTS: Made with decaffeinated coffee cherry & melon concentrate, Neuriva De-Stress can be taken in the...
  • NEUROFACTOR, A POWERFUL EXTRACT: Made from the nutrient-rich fruit of the coffee cherry, this whole fruit extract is decaffeinated & clinically proven...
  • WITH SOD & L-THEANINE: Our proprietary Melon Concentrate is a common source of the potent antioxidant, SOD (SuperOxide Dismutase), that’s naturally...
  • GET DIGITAL WITH NEURIVA APP: Get Braining. Download our NEURIVA BRAIN GYM app from the App Store or Google Play to start assessing your skills and...

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FAQ:

Q: What is L theanine used for?

A: L-Theanine is used by some people to help lower anxiety and as a sleep aid. Others believe it helps with the immune system. Some people believe it may help prevent cancer. L-Theanine is used by some people to help relax.

Q: Can You overdose on L theanine?

A: There have been no reports of overdose or side effects of taking l theanine and drinking tea is generally safe for most people. By stimulating the production of more gaba as well as other important neurochemicals such as dopamine serotonin and norepinephrine l theanine steers the mind to naturally reduce anxious feelings and stress.

Q: What is L theanine benefits?

A: Relaxation. L-theanine reduces stress and relaxes your brain by increasing alpha wave activity. … Nerve Protection. L-theanine prevents damage to brain cells by blocking overstimulation of the cells and protects brain cells from being impaired when oxygen levels are low. Alertness. … Antioxidant. …

Q: Does L theanine help OCD?

A: Some studies have indeed found that L-Theanine supplementation significantly improves measures of anxiety and depression, particularly in people with severe depressive or anxiety disorder who are taking other medications. In fact, from the available clinical data it looks as though theanine and depression are strongly linked.