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The Best Superior Labs L Theanine of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Superior Labs L Theanine of 2022. Check our ranking below.

2,123 Reviews Scanned

Rank No. #1
Superior Labs - Pure L-Theanine Non-GMO, No Additives - 250mg, 90 Vegetable Capsules - Powerful Formula for Healthy Sleep and Mood - Dietary Supplement for Calming and ​Relaxation
  • HEALTHY MOOD, RELAXATION, CALMING - L-Theanine is an analog of the amino acids L-Glutamine and L-Glutamic Acid and is derived primarily from tea leaves. L-Theanine has been shown to effectively bring on relaxation without inducing drowsiness, and relieve mental and physical tension.*
  • BEST VALUE - Powerful formula containing 250 mg and 90 vegetable capsules of pure L-Theanine.
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​
Rank No. #2
Superior Labs – Pure L-Tryptophan – 500mg, 120 Vegetable Capsules – Non-GMO Dietary Supplement for Restful Sleep & Relaxation – Supports Feelings of Well Being and Healthy Circulation Circulation
  • MAINTAIN SEROTONIN LEVELS – L-Tryptophan is an amino acid that converts to serotonin in the body. This supports multiple brain functions and helps to maintain balance to produce normal sleep.*
  • PROMOTES RELAXATION – Our non-GMO L-Tryptophan dietary supplements promote relaxation to support health sleep..*
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES. Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​
SaleRank No. #3
Superior Labs – Pure Natural L-Tyrosine NonGMO – 500 mg, 120 Vegetable Capsules – Supports Mental Clarity – Promotes Alertness – Boosts Energy – Dietary Supplement for Calming and Relaxation
  • 500mg PURE L-TYROSINE – Superior Labs’ L-Tyrosine is 100% pure. A potent 500 mg dosage helps maintain physical performance and elevate brain function.*
  • SUPPORTS MENTAL CLARITY – L-Tyrosine is one of 20 standard amino acids that synthesize proteins that are consumed by cells and produce mental clarity.*
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​
SaleRank No. #4
Sports Research Double Strength L-Theanine Supplement - Suntheanine Softgels for Focus, Relaxation & Alertness - Non-Drowsy Support Made with Coconut Oil, Non-GMO & Gluten Free - 200mg, 60 Count
  • ALERT & CALM: L-Theanine, commonly found in the flavonoid herbal green tea, is used as an ayurvedic substitute for those who want the antioxidant benefits of green tea but without caffeine. Encapsulated in a once-daily liquid softgel, our L-Theanine supports feelings of relaxation, calm, focus, and alertness*
  • DOUBLE THE SUPPORT: To optimize your potential and give the utmost support, our L-theanine 200 mg amino acid softgels provide double the amount of L-theanine green tea extract commonly found in energy supplements in a convenient max-strength formula
  • PATENTED SUNTHEANINE: Formulated with patented and clinically researched Suntheanine—you get all of the alertness and relaxation (+ the increase in alpha brain waves) without the jitters or crash of caffeine, energy pills, or energy drinks*
  • PREMIUM INGREDIENTS: We hold all of our supplements to a higher standard. Rest assured that your L-Theanine is crafted using 100% organic coconut oil and an entirely non-GMO verified, gluten-free and soy-free product. Manufactured in the USA in cGMP-compliant facilities
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
Rank No. #5
Superior Labs | GABA Supplement 750mg | Maximum Strength Mood Enhancement | Natural Relief of Simple Nervous Tension, Promotes Mood Balance, Sleep Quality, and Natural Brain Function*
  • MOOD SUPPORT - All-natural supplement supports healthy cortisol levels for better sleep and positive mood. Naturally supports calming of nervous tension, improves mood, and helps end sugar cravings.
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF FACILITIES - Few can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • ZERO UNNATURAL INGREDIENTS - Our product contains NO unnatural ingredients such as magnesium stearate, silicon dioxide, titanium dioxide and other potentially harmful unnatural ingredients that are commonly found in other brands.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk.
Rank No. #6
Superior Labs Boswellia Extract - Pure Non GMO Boswellic 65% Acids. Superior Absorption Zero Synthetic Additives - Powerful Formula Joint, Knees, HIPS, Immune, 500mg SVG, 240 Veg Capsules
  • MILLIONS OF CAPSULES SOLD - REGAIN FLEXIBILITY -Our Boswellia is standardized and guaranteed to contain 65% Boswellic Acids to support joints, hips, and knees. Added BioPerine, a patented extract that enhances absorption and bioavailability of nutrients through thermogenesis, ensures superior results and efficacy.
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - Our products are manufactured in facilities that undergo rigorous third-party audits to ensure the highest standards of quality. This strict quality assurance process is designed to meet and exceed industry standards, ensuring that our products are of the highest caliber supplements in the market place.
  • ZERO UNNATURAL INGREDIENTS - Our product contains NO unnatural ingredients such as magnesium stearate, silicon dioxide, titanium dioxide and other potentially harmful unnatural ingredients that are commonly found in other brands.
  • NO RISK AND NO HASSLE - For over a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk.
Rank No. #7
Superior Labs Alpha Lipoic Acid - Pure Non-GMO ALA 600mg (4 Month Supply) 120 Servings - Zero Synthetic Additives - Supports Healthy Aging, Nerve Health, Tingling Feet, Hands & Overall Wellbeing
  • A POWERFUL ANTI-AGING ANTIOXIDANT – Our bodies need ALA to produce energy but only excess ALA - which can only be achieved through supplementation - will operate as a free-radical fighting antioxidant.
  • HEALTHY NERVE FUNCTION, TINGLING HAND, FEET, LIMBS - Each serving contains powerful 600mg of pure ALA in a vegetable capsule for superior absorption. Promotes healthy nerves, nervous system and anti-aging.
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • DON’T ASK US, ASK OUR CUSTOMERS – We are among the highest rated brands online and have serve thousands of satisfied customers with our high quality products.
SaleRank No. #8
Nature's Trove 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
Rank No. #9
Superior Labs - Magnesium Glycinate - 1250 mg, 120 Vegetable Capsules - Essential Mineral - Maintains Energy - Healthy Bones and Muscle Function- Relaxation & Sleep
  • ESSENTIAL MINERAL - Magnesium Glycinate is a mineral that supports proper function of a number of systems in the human body including healthy bones, teeth, and healthy muscle function.*
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF FACILITIES - Few can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • ZERO UNNATURAL INGREDIENTS - Our product contains NO unnatural ingredients such as magnesium stearate, silicon dioxide, titanium dioxide and other potentially harmful unnatural ingredients that are commonly found in other brands.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk.
Rank No. #10
Superior Labs | Acetyl L-Carnitine 1000mg | 200 caps | Maximum Absorption | Pure Vegetable Capsules | Zero Synthetic Additives | Superior Absorption
  • BRAIN FUNCTION SUPPORT - All-natural energy enhancer supports improvement of memory and focus. Helps to mobilize stored fat and enhances brain health. Helps support athletic performance, stamina and cardiovascular health. Non-GMO. Acetyl L-Carnitine 1000mg. 100% pure vegetable capsules.
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - Our products are manufactured in facilities that undergo rigorous third-party audits to ensure the highest standards of quality. This strict quality assurance process is designed to meet and exceed industry standards, ensuring that our products are of the highest caliber supplements in the market place.
  • ZERO UNNATURAL INGREDIENTS - Our product contains NO unnatural ingredients such as magnesium stearate, silicon dioxide, titanium dioxide and other potentially harmful unnatural ingredients that are commonly found in other brands.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk.

Last update on 2023-07-25 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Superior Labs L Theanine?

Do you get stressed out thinking about shopping for a great Superior Labs L Theanine? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Superior Labs L Theanine, which is why we have assembled a comprehensive list of the greatest Superior Labs L Theanine available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Superior Labs L Theanine that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding Superior Labs 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 Superior Labs 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 Superior Labs L Theanine. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Superior Labs 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 Superior Labs 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 Superior Labs 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 Superior Labs 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 Superior Labs L Theanine.
  5. Customer Ratings: Number ratings grade Superior Labs 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 Superior Labs L Theanine.
  7. Product Quality: You don’t always get what you pay for with an Superior Labs L Theanine, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Superior Labs L Theanine is should be an indication of how long it will work out for you.

We always remember that maintaining Superior Labs 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 Superior Labs L Theanine is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

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