Top 10 Best Pure Encapsulations L-theanine

of October 2024
1
Best ChoiceBest Choice
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Nutricost
Nutricost

10
Exceptional
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2
Best ValueBest Value
Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO
Nutricost
Nutricost

9.9
Exceptional
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3
Nutricost L-Theanine Powder 100 Grams - Gluten Free & Non-GMO
Nutricost
Nutricost

9.8
Exceptional
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4
L Theanine Supplement - Promotes Relaxation, Sleep & Calm Support - L Theanine
NUTRAHARMONY
NUTRAHARMONY

9.7
Exceptional
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5
Clean Nutraceuticals L Tyrosine 1000mg Mucuna Pruriens 6000mg Bacopa Monnieri
Clean Nutraceuticals
Clean Nutraceuticals

9.6
Exceptional
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6
L-Theanine 200mg Vegan as PhytoSure Certified | Supports Healthy Relaxation &
Health Thru Nutrition
Health Thru Nutrition

9.5
Excellent
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7
Metabolic Maintenance L-Theanine - 200 Mg Suntheanine Supplement to Support
Metabolic Maintenance
Metabolic Maintenance

9.4
Excellent
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8
Sports Research Double Strength L-Theanine Supplement - Suntheanine Softgels
Sports Research
Sports Research

9.3
Excellent
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9
Micro Ingredients Taurine Powder Supplement | 1 KG, 2000mg Per Serving |
Micro Ingredients
Micro Ingredients

9.2
Excellent
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10
Designs for Health Liposomal NeuroCalm - Liquid GABA + L-Theanine to Support
Designs for Health
Designs for Health

9.1
Excellent
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11
Klaire Labs L-Theanine - 100mg Suntheanine to Promote Promote Relaxation (60
Klaire Labs
Klaire Labs

9.0
Excellent
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12
Pure L-Theanine Powder, 100 Grams (1 Year Supply), Filler Free, No GMOs and
Micro Ingredients
Micro Ingredients

8.9
Very Good
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13
Nutricost Glycine Powder 1lb - Non-GMO, Gluten Free
Nutricost
Nutricost

8.8
Very Good
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14
XYMOGEN L-Theanine - Patented Suntheanine L theanine 400mg Per Serving - Amino
XYMOGEN
XYMOGEN

8.7
Very Good
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15
Pure Encapsulations L-Theanine | Amino Acid Supplement for Relaxation and
Pure Encapsulations
Pure Encapsulations

8.6
Very Good
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16
Pure Encapsulations L-Tyrosine | Amino Acid Supplement for Sleep, Thyroid
Pure Encapsulations
Pure Encapsulations

8.5
Good
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17
Pure Encapsulations - Emotional Wellness - Supports Mental Well-Being and Helps
Pure Encapsulations
Pure Encapsulations

8.4
Good
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18
Pure Encapsulations - Daily Stress Formula - Hypoallergenic Stress Defense
Pure Encapsulations
Pure Encapsulations

8.3
Good
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19
Pure Encapsulations Best-Rest Formula | Supplement to Support The Onset of
Pure Encapsulations
Pure Encapsulations

8.2
Good
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20
Pure Encapsulations Cortisol Calm | Supplement to Support Relaxation and
Pure Encapsulations
Pure Encapsulations

8.1
Good
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21
Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine -
Integrative Therapeutics
Integrative Therapeutics

8.0
Good
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22
Pure Encapsulations L-Glutamine Powder | Supplement for Immune and Digestive
Pure Encapsulations
Pure Encapsulations

7.9
Good
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23
Pure Encapsulations - Pure Tranquility Liquid - Hypoallergenic Supplement to
Pure Encapsulations
Pure Encapsulations

7.8
Good
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24
Bronson L-Theanine 200mg (Double-Strength) with Passion Flower Herb, Non-GMO
Bronson
Bronson

7.7
Good
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About Pure Encapsulations L-theanine

Click here to learn more about these products.

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.

Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO

180 Capsules of L-Tyrosine Per bottle. 500mg of L-Tyrosine Per Capsule. High Quality L-Tyrosine. Non-GMO, Gluten Free. Manufactured In a GMP Compliant, FDA Registered Facility.

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.

L Theanine Supplement - Promotes Relaxation, Sleep & Calm Support - L Theanine 400 mg Extra Strength - Made in USA - Focus Supplements - for Men & Women - Non-GMO & Gluten-Free - 120 Vegan Capsules

100 Natural Source L Theanine effectively relaxes and relieves mental and physical tension. It has a natural ability to deal with nervousness and stress-related sleep problems. Found and made from the purest, highest quality green tea. L-Theanine Supplement Dont stress, sleep well do your best Provides calming relaxing effect on the body, supports good sleep, and the ability to deal with stress.. Calm, Sleep Relax L theanine works by encouraging brain-wave activity, which improves concentration by reducing distractions and promoting a more focused state of mind.. Made in the USA L theanine from NUTRAHARMONY does not contain GMOs it's dairy-free, gluten-free, nut-free, wheat-free, soy-free, nightshade-free, and sugar-free. L-theanine is a perfect addition to your gluten-free vegan lifestyle with advanced support and significant effects. Quality Matters NUTRAHARMONY ltheanine vitamin is an excellent and effortless choice for improving your health. If you want to share your experience or have questions about l- theanine, message us. Our support team works 247. Maintain your health anytime, anywhere with a ltheanine supplement.

Clean Nutraceuticals L Tyrosine 1000mg Mucuna Pruriens 6000mg Bacopa Monnieri 500mg Ashwagandha 4000mg Focus Supplement w/N-Acetyl Cysteine 600mg NAC 5-HTP Ginkgo Biloba Alpha GPC Vitamin C D B1 B12

All In One L-Tyrosine 1000mg Capsules with Mucuna Pruriens Extract - Support your wellbeing with our premium L-Tyrosine Supplement with Mucuna Pruriens Capsules, Ashwagandha Root, Bacopa Monnieri Powder, Ginkgo Biloba Extract, and NAC 600mg.. The Ultimate Gingko Biloba with Ashwagandha Capsules - Support your overall wellbeing with our carefully formulated combination of ingredients, including bacopa monnieri supplement, ashwagandha pills, n acetyl cysteine, ginko leaf extract, l tyrosine powder and more.. Advanced Bacopa Monnieri Capsules with N-Acetylcysteine - Unlock your full potential and surge to new heights with this supplement that is enriched with a potent nac supplements and ashwagandha supplements.. Powerful Combination Of Mucuna Pruriens Powder and Bacopa Monieri Herb - This product is overflowing with potent L Tyrosine 1000mg capsules, Aswagandhada Capsules, Bokopa Monieri, Ginko Biloba, and N-Acetyl-Cysteine.. Vetted and Trusted Ingredients - We pride ourselves in offering a quality all in one support supplement that combines the benefits of many ingredients. Our formulas are proudly made in the USA in a registered and certified facility. Many products offer only a few vitamins for women or vitamins for adults. However, this all-in-one contains much more and not unneeded preservatives or fillers..

L-Theanine 200mg Vegan as PhytoSure Certified | Supports Healthy Relaxation & Focus | 3rd Party Tested | Clean Label, Non-GMO, Gluten & Soy Free, Hypoallergenic | by Health Thru Nutrition (Pack of 60)

High Strength L-Theanine Health Thru Nutrition's powerful amino acid supplement contains 200mg of theanine per capsule. Each easy to swallow gluten free soy free vegetable capsule can enhance focus, mental clarity and can improve your overall cognitive performance.   Enhanced Mental Clarity Overall Cognitive Performance Derived from green tea leaf, Ltheanine is an amino acid that influences resting-state activity and increases alpha frequency to support your body's response to stress and anxioness. A Brand You Can Trust With over 40 years of manufacturing experience, utilising scientifically supported data and practices, HTN strives to provide the best quality nutrition products on the market.. Quality, Safety, Integrity HTN's core beliefs guide us to empower people to live healthier lives by providing superior-quality nutrition products and serving as a trusted source of nutrition information.. Commitment We stand behind our products and our customers every day if you are not satisfied for any reason, let us know and we'll make it right no questions asked..

Metabolic Maintenance L-Theanine - 200 Mg Suntheanine Supplement to Support Relaxation - Stress Reducing Amino Acid L Theanine for Daily Use (120 Capsules)

Promotes Relaxation - L-Theanine is a non-protein amino acid found naturally in the green tea plant. Due to L - Theanine's role as an effective GABA precursor, l theanine supplement use may support feelings of relaxation.. L-Theanine 200mg Immune Support - Pure L-Theanine suntheanine l-theanine is able to cross the blood-brain barrier. It may help support already healthy dopamine levels and the immune system.. Purity and Quality - Our amino acid supplement is free of fillers, binders, preservatives, artificial colors flavors. Our l theanine 200mg supplements are free of gluten, egg, nuts, and magnesium stearate. Bottles are BPA-free recycled amber.. The Right Dose For You - When it comes to focus and mood supplement needs, dosing desires vary. We offer l- theanine 200mg capsules and a 100mg version. This is the 200 mg dose.. Physician's Choice - The health care professional's choice for l-theanine supplements since 1984. We use current research, clinical studies, and third-party testing at all stages of development. Mood support you can trust, at an exceptional value..

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, could replace your existing caffeine routine. 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 Suntheanineyou 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 bodyinside and out.

Micro Ingredients Taurine Powder Supplement | 1 KG, 2000mg Per Serving | Unflavored | 100% Pure, Easily Absorbed Free Form | Essential Amino Acids for Exercise, Energy, & Heart Support

Micro Ingredients offers a bulk 2.2 pound supply of unadulterated taurine powder, no artificial colors or flavors added, easily absorbed free form, conditionally essential amino acid support.. Each pouch provides 1kg 2.2lbs of pure taurine powder, 1 scoop serving size that equals a 2,000mg dose, over a 16-month supply.. Taking daily will promote natural amino acid properties for supporting ant-aging benefits towards heart health, workout performance, and sustainable energy production in both men and women.. Free forming amino acids are unbound and allow for more efficient absorption, great for any pre or post workout drinks, add to any beverage and you wont even know it is there.. Premium non-GMO taurine supplements. Made without soy, dairy, gluten, fillers, preservatives, flavors, and tree nuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent..

Designs for Health Liposomal NeuroCalm - Liquid GABA + L-Theanine to Support Calm + Healthy Stress Response (25 Servings / 1.7oz)

Calming Support - This blend of GABA and L-theanine is formulated to support mental calm and a healthy response to stress.. Enhanced Liposomal Absorption - Liposomes bond easily with cell membranes, facilitating nutrient delivery. This promotes superior absorption and bioavailability.. Easy Liquid Form - Each 2 mL serving 4 pumps of this formula provides 240 mg of GABA and 100 mg of L-theanine.. From Sunflower Lecithin, Not Soy - This product is Non-GMO and contains no gluten, dairy or soy. Unlike most liposomal formulas, these phospholipids are not derived from soy.. Clinically-Trusted Care - DFH is the 1 practitioner supplement brand recommended by functional medicine professionals and the 1 practitioner supplement brand personally trusted by functional medicine professionals..

Klaire Labs L-Theanine - 100mg Suntheanine to Promote Promote Relaxation (60 Capsules)

Promote Relaxation - L-theanine is a unique amino acid compound found in green tea, and is noted for its calming benefits.. Suntheanine Pure L-Theanine - Suntheanine brand pure L-theanine is produced through a patented manufacturing process. Studies with Suntheanine show it may promote relaxation without drowsiness.. Neurotransmitter Support - L-theanine has been studied for its ability to reduce glutamate uptake and support the body's serotonin, dopamine, and norepinephrine excretion.. Hypoallergenic - Keeping sensitives in mind, this product is free of the following common allergens milkcasein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives.. Practitioner Trusted - Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner..

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 dense food on the planet is all about.. Powder lover Take it naturally in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun..

Nutricost Glycine Powder 1lb - Non-GMO, Gluten Free

1lb 16oz454g of Glycine Powder Per Container. Convenient Serving Scoop Included. 5 Month Supply, If Taken As Suggested. Non-GMO Gluten Free. Manufactured In a GMP Compliant, FDA Registered Facility.

XYMOGEN L-Theanine - Patented Suntheanine L theanine 400mg Per Serving - Amino Acid Supplement to Support Calm + Relaxation Without Drowsiness, Liver Health (60 Capsules)

L theanine has been found to reduce stress and support occasional stress management by promoting calm and relaxation without drowsiness, easing nervousness due to overwork and fatigue, and offering nervous system support by helping to reduce nervous irritability.. A naturally occurring, unique amino acid found in green tea leaves. XYMOGEN L theanine supplement capsules contain L-theanine 400mg per serving.. The L-Theanine as suntheanine l-theanine in this amino acids supplement is protected by several patents based on its positive effects.. May offer liver support. Human studies suggest that it may also be useful in supporting concentration and in reducing negative side effects from caffeine.. Formulated to exclude Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from GMOs or artificial preservatives. XYMOGEN supplements for relaxation support and amino acid nutritional supplements are practitioner trusted..

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

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.. 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.. 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..

Pure Encapsulations L-Tyrosine | Amino Acid Supplement for Sleep, Thyroid Support, Cognitive Health, and Memory* | 90 Capsules

Cognitive Support l-Tyrosine promotes production of various neurotransmitters that support well-being and cognitive function.. Occasional Stress Support l-Tyrosine plays a role in promoting healthy neurotransmitter function in response to stress.. Thyroid Support Tyrosine is a key component in the synthesis of thyroid hormones.. 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.. 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..

Pure Encapsulations - Emotional Wellness - Supports Mental Well-Being and Helps Moderate Occasional Stress - 120 Capsules

Cognitive Function This product combines amino acids, herbs, and vitamin cofactors to support healthy well-being and cognitive function while moderating occasional stress.. Relaxation Support 5-HTP and l-tyrosine, key precursors for the synthesis of several neurotransmitters including serotonin, dopamine, epinephrine and norepinephrine, are involved in the regulation of endocrine and brain activity in addition to sleepwake cycles.. Positive Outlook Support GABA is associated with promoting positive outlook.. 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.. 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..

Pure Encapsulations - Daily Stress Formula - Hypoallergenic Stress Defense Formula - 90 Capsules

Mild Stress Support Stress defense formula an herbal and amino acid blend for mental relaxation combined with Bcomplex, magnesium and vitamin C for counteracting the metabolic effects of mild stress.. Memory Support In addition to supporting the ability to deal with stress, Bacopa monniera promotes memory and cognitive function.. Cognitive Function The amino acid ltyrosine has indicated the potential to promote cognitive function and memory under stressful conditions.. 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.. 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..

Pure Encapsulations Best-Rest Formula | Supplement to Support The Onset of Sleep and Sleep Quality* | 120 Capsules

Sleep Support Best-Rest Formula supports healthy sleep cycles by encouraging an easy transition to sleep and a restful night's sleep.. Calmness Support The supplement contains passionflower, chamomile, lemon balm, hops, and other natural ingredients which act to calm and relax the central nervous system. Relaxation Support GABA and l-theanine are included for their ability to support alpha wave production in the brain, an indication of relaxation.. 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.. 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..

Pure Encapsulations Cortisol Calm | Supplement to Support Relaxation and Restful Sleep During Times of Occasional Stress* | 120 Capsules

Mild Stress Management Support Maintains healthy cortisol levels and may help calm the nervous system under mild stressful conditions.. Cognitive Health This formula is designed to maintain healthy cortisol levels and to support relaxation, restful sleep, and a positive outlook during times of occasional stress.. Positive Outlook Support Rhodiola and magnolia may also maintain healthy adrenal cortisol activity and offer support for occasional stress.. 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.. 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..

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

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.

Pure Encapsulations L-Glutamine Powder | Supplement for Immune and Digestive Support, Gut Health and Lining Repair, Metabolism Boost, and Muscle Support* | 8 Ounces

Gastrointestinal Health l-Glutamine nutritionally supports the mucosal lining and healthy functioning of the gastrointestinal tract.. Supports Lean Muscle l-Glutamine also helps promote and preserve lean muscle mass.. Amino Acid l-Glutamine is the most abundant amino acid in the body. In times of metabolic stress, glutamine is utilized by the body for tissue repair and gastrointestinal tract support.. 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.. 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..

Pure Encapsulations - Pure Tranquility Liquid - Hypoallergenic Supplement to Support Relaxation and Moderate Occasional Stress - 3.92 fl. oz.

Promotes Relaxation Pure Tranquility liquid combines GABA, glycine and I-theanine to offer optimal support for relaxation.. Immune Support Maintains healthy IgA levels with GABA and l-theanine, suggesting support for immune health during occasional stress.. Great Tasting Convenient, great-tasting liquid formula for easy dispensing.. 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.. 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..

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..