20 Best Thorne Research Theanine [2024]

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

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1 Thorne Theanine - 200mg of L-Theanine - Support a Healthy Stress Response, Relaxation, and Focus -... Thorne Theanine - 200mg of L-Theanine - Support a Healthy Stress Response, Relaxation, and Focus...
2 Thorne Deproloft-HF - Botanical Supplement for Positivity and Stress Management - 120 Capsules Thorne Deproloft-HF - Botanical Supplement for Positivity and Stress Management - 120 Capsules
3 Thorne PharmaGABA-250 - GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes a... Thorne PharmaGABA-250 - GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes...
4 Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes... Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes...
5 Thorne Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System,... Thorne Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune...
6 Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea Protein-Based... Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea...
7 Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea Protein-Based... Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea...
8 Thorne ResveraCel - Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support Healthy... Thorne ResveraCel - Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support...
9 Thorne L-Carnitine - Amino Acid Supplement to Support Fat Metabolism and Energy Production - 60... Thorne L-Carnitine - Amino Acid Supplement to Support Fat Metabolism and Energy Production - 60...
10 Thorne L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine - 90... Thorne L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine -...
11 Thorne Memoractiv - Nootropic Brain Supplement for Focus, Creativity, and Concentration -... Thorne Memoractiv - Nootropic Brain Supplement for Focus, Creativity, and Concentration -...
12 Thorne Magnesium CitraMate - Magnesium Supplement with Citrate-Malate - Support Heart, Skeletal... Thorne Magnesium CitraMate - Magnesium Supplement with Citrate-Malate - Support Heart, Skeletal...
13 Thorne PharmaGABA-100 - GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support a... Thorne PharmaGABA-100 - GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support...
14 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
15 Thorne Multi-Vitamin Elite - Daily Nutritional Supplement - AM Formula Supports Cellular Energy... Thorne Multi-Vitamin Elite - Daily Nutritional Supplement - AM Formula Supports Cellular Energy...
16 Thorne Quercetin Phytosome - Exclusive Phytosome Complex for Immune Health, Respiratory Support, and... Thorne Quercetin Phytosome - Exclusive Phytosome Complex for Immune Health, Respiratory Support,...
17 Thorne RecoveryPro - NSF Certified for Sport - 16.7 Oz Thorne RecoveryPro - NSF Certified for Sport - 16.7 Oz
18 Thorne Women's Multi 50+ - Daily Multivitamin Without Iron and Copper for Women - Comprehensive,... Thorne Women's Multi 50+ - Daily Multivitamin Without Iron and Copper for Women - Comprehensive,...
19 Thorne Perma-Clear - Supplement for Healthy Intestinal Lining Support with L-Glutamine and... Thorne Perma-Clear - Supplement for Healthy Intestinal Lining Support with L-Glutamine and...
20 Thorne Curcumin Phytosome 1000 mg (Meriva) - Clinically Studied, High Absorption - Supports Healthy... Thorne Curcumin Phytosome 1000 mg (Meriva) - Clinically Studied, High Absorption - Supports...
Bestseller No. 1
Thorne Theanine - 200mg of L-Theanine - Support a Healthy Stress Response, Relaxation, and Focus -...
  • Relaxation: Promotes relaxation, focus, and memory by enhancing alpha-wave production in the brain*
  • Stress: Supports a healthy stress response*
  • GABA: Enhances GABA production in the brain (a brain chemical that acts like a brake during times of runaway stress)*
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts)....
  • Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National...
Bestseller No. 2
Thorne Deproloft-HF - Botanical Supplement for Positivity and Stress Management - 120 Capsules
  • Positivity: Supports a healthy outlook*
  • Brain Chemistry: Nutrients and botanicals for brain support*
  • Stress: A valuable addition to any stress management plan*
  • Effective Ingredients: Non-Habit Forming
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
SaleBestseller No. 3
Thorne PharmaGABA-250 - GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes a...
  • Natural Source: GABA is an important brain chemical that acts like a brake during times of runaway stress*
  • Calm: Promotes a calm, relaxed, focused state of mind*
  • Sleep: Supports restful sleep*
  • Clinical Research: Natural-source GABA outperforms synthetic GABA in clinical studies
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts)....
SaleBestseller No. 4
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. 5
Thorne Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System,...
  • Immune Support: Get the immune-supporting and antioxidant benefits of vitamin C combined with natural citrus flavonoids
  • Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health
  • Wound Healing: Collagen production, antioxidative properties, and immune support make vitamin C an important nutrient for supporting post-surgical...
  • Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 6
Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea Protein-Based...
  • Powerhouse Nutrition: All-in-one daily protein, multi-vitamin/mineral supplement with added antioxidant support
  • Daily Support: Take your smoothie game to the next level with MediClear SGS Vanilla
  • Detox Benefits: Support your body’s defenses against the toxic insults of a modern world
  • Unparalleled Quality: Every Thorne product is made with the purest possible ingredients. Sweeteners and flavorings are derived from natural...
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 7
Thorne MediClear - SGS - Detox, Cleanse, and Weight Management Support - Rice and Pea Protein-Based...
  • Powerhouse Nutrition: All-in-one daily protein, multi-vitamin/mineral supplement with added antioxidant support
  • Daily Support: Take your smoothie game to the next level with MediClear SGS Chocolate
  • Detox Benefits: Support your body’s defenses against the toxic insults of a modern world
  • Unparalleled Quality: Every Thorne product is made with the purest possible ingredients. Sweeteners and flavorings are derived from natural...
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 8
Thorne ResveraCel - Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support Healthy...
  • Healthy Aging: While no supplement is truly an “anti-aging” supplement – supporting cellular repair, up-regulating the sirtuin proteins,...
  • Exclusive NR: Thorne’s reformulated ResveraCel contains a unique form of nicotinamide riboside (NR) that is exclusive to Thorne
  • Boost NAD+: As a direct precursor to NAD+, Nicotinamide Riboside efficiently promotes the body’s production of NAD+, which, in turn, plays an...
  • Unparalleled Quality: Every Thorne product is made with the purest possible ingredients
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 9
Thorne L-Carnitine - Amino Acid Supplement to Support Fat Metabolism and Energy Production - 60...
  • Helps convert fat to energy
  • Supports healthy levels of cholesterol and triglycerides
  • Promotes healthy sperm count and sperm motility
  • Thorne products contain ingredients from the purest sources worldwide. Flavors, colors, preservatives, and sweeteners are derived from natural...
  • Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National...
Bestseller No. 10
Thorne L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine - 90...
  • Positivity: Supports a healthy outlook*
  • Stress: Supports healthy stress management*
  • Thyroid: Nutritional support for the thyroid gland*
  • Adrenal: Supports optimal adrenal function*
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 11
Thorne Memoractiv - Nootropic Brain Supplement for Focus, Creativity, and Concentration -...
  • Fight Brain Fog: An ingredient in Memoractiv has been clinically studied for memory effectiveness, memory processes, and memory speed*
  • Focus and Accuracy: An ingredient in Memoractiv enhances reaction times for mental tasks and optimizes the accuracy of memory task performance*
  • Eye Health: An ingredient in Memoractiv benefits visual performance and decreases eye fatigue while supporting the eye’s natural ability to filter...
  • Promotes Positivity: An ingredient in Memoractiv moderates the stress response and promotes a balanced cortisol level*
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 12
Thorne Magnesium CitraMate - Magnesium Supplement with Citrate-Malate - Support Heart, Skeletal...
  • Optimal Wellness: Supplementing magnesium supports energy production, heart and lung function, and bone health, as well as the metabolism of...
  • Muscle Tenderness: Magnesium and malate (malic acid) provide support for individuals who have occasional painful muscles.
  • Kidney Support: Magnesium and citrate support kidney function by helping to decrease the level of calcium oxalate and phosphate in the urine
  • Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 13
Thorne PharmaGABA-100 - GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support a...
  • Natural Source: GABA is an important brain chemical that acts like a brake during times of runaway stress*
  • Calm: Promotes a calm, relaxed, focused state of mind*
  • Sleep: Supports restful sleep*
  • Clinical Research: Natural-source GABA outperforms synthetic GABA in clinical studies
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts)....
Bestseller No. 14
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. 15
Thorne Multi-Vitamin Elite - Daily Nutritional Supplement - AM Formula Supports Cellular Energy...
  • High-Performance Multi: AM and PM formulas are designed to support athletic performance and provide a full complement of vitamins and minerals
  • Energy Production: The AM formula promotes cellular energy production
  • Enhanced Recovery: The PM formula contains the botanical blend Relora, which when coupled with magnesium, supports restful sleep
  • Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 16
Thorne Quercetin Phytosome - Exclusive Phytosome Complex for Immune Health, Respiratory Support, and...
  • Immune Function: Provides year-round immune support by promoting various types of immune cells that are necessary for an optimized immune response*
  • Respiratory Support: Supports a healthy inflammatory response in the respiratory tract*
  • Healthy Aging: Mitigates oxidative stress and supports cellular health*
  • Seasonal Allergies: Benefits allergy sufferers by helping to regulate histamine release*
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 17
Thorne RecoveryPro - NSF Certified for Sport - 16.7 Oz
  • Muscle Repair: Contains 13 grams of whey protein and is a great source of branched-chain amino acids to support muscle repair*
  • Wake Up Feeling Rested and Alert: Whey protein in combination with PharmaGABA supports restful sleep and has been clinically studied for moderating...
  • Athletic Performance: High in cysteine, an amino acid linked to supporting athletic performance*
  • Certified For Sport: Supports high-performance nutrition programs and is NSF Certified for Sport
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 18
Thorne Women's Multi 50+ - Daily Multivitamin Without Iron and Copper for Women - Comprehensive,...
  • Designed with nutrients the body can easily absorb and formulated for individuals at low risk for iron deficiency, including men and post-menopausal...
  • Includes optimal amounts of two key minerals – calcium and magnesium – in highly absorbable chelated form
  • Vitamin A promotes eye health, healthy skin, and immune function*
  • Vitamin D promotes strong bones and healthy immune function*
  • Zinc bisglycinate, a highly absorbable form of zinc, benefits immune function and skin health*
Bestseller No. 19
Thorne Perma-Clear - Supplement for Healthy Intestinal Lining Support with L-Glutamine and...
  • Gut Permeability: Nutritional support for "leaky gut"*
  • Probiotics: Promotes the growth of beneficial gut flora*
  • Inflammatory Processes: Helps maintain normal inflammatory processes in the intestines*
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts)....
  • Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National...
Bestseller No. 20
Thorne Curcumin Phytosome 1000 mg (Meriva) - Clinically Studied, High Absorption - Supports Healthy...
  • Mobility: Reduces joint stiffness*
  • Comfort: Promotes flexibility by providing relief from minor aches and muscle soreness*
  • Healthy Inflammatory Response: Helps maintain a healthy inflammatory response in the joints, muscles, GI tract, liver, brain, eyes, and nerves*
  • Superior Absorption: Thorne’s Meriva is the most clinically-studied curcumin on the market and as a phytosome complex it provides superior...
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...

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FAQ:

Q: What is L-theanine and how can it help with stress?

A: This article focuses on how L-theanine can help you deal with stress, as well as having more restful sleep.* But first, what is L-theanine? It’s a non-protein amino acid – meaning it has the structure of an amino acid, but isn’t used as a building block to make proteins.

Q: Which teas have L-theanine?

A: Although green tea is its best-known source, L-theanine is found in nearly all teas – black, white, green, and oolong – to one extent or another.

Q: Where does L-theanine come from?

A: It was discovered in Japan in 1948 as a constituent of green tea, and although it is found primarily in the tea plant ( Camellia sinensis ), it is present in several other plants, including mushrooms like Boletus badius (bay bolete). L-theanine is synthesized in the roots of plants, but it concentrates in the leaves.

Q: Does L-theanine increase alpha-wave production?

A: In this study, L-theanine was compared with water and GABA (as PharmaGABA® ). Both L-theanine and PharmaGABA significantly increased alpha-wave production compared to water, although alpha-waves were increased more when the subjects took GABA than when they took L-theanine.