With so many great Best L-theanine Supplement to pick from, like those from brands such as Nature’s Trove,NOW,Nutricost,Horbäach,Pure Encapsulations,Sports Research, it can be tricky for customers to decide what to buy. But after extensive research, we’ve discovered the stand-out Best L-theanine Supplement currently on the market.
Our team rigorously tested numerous products available to consumers. The one that stands at the top of our list is Nature’s Trove Best L-theanine Supplement, thanks to its impressive performance and features. Below you’ll find more of our top-rated picks, along with insightful analysis from our seasoned experts. Check out their thoughts before making your purchasing choice. With this guide backing your decision, you’re sure to end up with a Best L-theanine Supplement you’ll love.
Editor's Choice
L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules
Premium Pick
Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed State
Budget Pick
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Top 10 Best L-theanine Supplement
We researched and compared the top products in the Best L-theanine Supplement category to provide you with these recommendations.
1. 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
2. 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 delivery
- HEALTHY VASCULAR FUNCTION*/WITH INOSITOL: Formulation includes inositol, a member of the B-vitamin family that is essential for brain and nervous system health.*
- 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 laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
- During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
3. 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
4. L-Theanine 400mg | 400 Capsules | Value Size | High Potency | Non-GMO & Gluten Free | by Horbaach
- AMINO SUPPORT: L-Theanine is a naturally-occurring Amino Acid found in widely touted Green Tea
- DYNAMIC SUPPLEMENT: Contains 400 mg of L-Theanine per serving in convenient Quick-Release capsules
- PROFESSIONAL SOURCING: Our ingredients are carefully selected and tested to ensure strong purity
- HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
- NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Soy, Artificial Color & Flavoring & NON-GMO
5. 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.
6. 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, and clinically proven to promote an alert state of relaxation and focus without any accompanying drowsiness. Get focused so you feel ready to take on the day!
- 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 supplements that you are taking. Our L-Theanine 200mg softgel capsules are certified non-GMO and free of soy, gluten, artificial colors, Hexane, Stearates, and Titanium Dioxide.
- Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements.
- 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 healthcare professional. Promoting an increase in Alpha brain waves and a decrease in Beta brain waves, you'll find your spark and get the boost you need with none of the sugar or unwelcome side effects from energy drinks or energy supplements.
- THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people live their best lives through real, research-backed ingredients created for every body inside and out. We're fully dedicated to sourcing the highest quality products from around the world, backed by third party testing. We all deserve the best in our quest for healthy living. Our mission is to give you just that.
7. 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
8. MaryRuth's L Theanine 200mg Liquid Drops | L-Theanine + Organic Glycerin | Stress Relief for Adults
- L-Theanine Liquid Drops: Support stress levels, cognitive function, sleep and more with these delicious, lemon-lime flavored liquid drops. With L-Theanine in easy-to-take liquid form, you can simply take it by mouth, add to a glass of water, your favorite morning juice, or a smoothie!
- Multiple Benefits: L-Theanine is an amino acid found primarily in green and black tea and some mushrooms. It promotes relaxation and may ease occasional anxiety and stress while supporting memory and thinking skills (cognitive function).
- Vegan Formula: Per Serving (60 Drops): 200 mg L-Theanine. Other Ingredients: Purified Water, Organic Glycerin, Citric Acid, Natural Flavor, Organic Stevia Leaf Extract, and Potassium Sorbate. Formulated for Adults and Kids.
- Easy-to-Take-Drops: Shake well before each use. Once daily, take directly by mouth. Avoid direct dropper contact to mouth to prevent product contamination. Use the following to assess dosage or dose as recommended by a physician or healthcare professional: 4-8 Years: Up to 30 drops (1 mL)/day, 9-13 Years: Up to 60 drops (2 mL)/day, 14+ Years: Up to 60 drops (2 mL)/day, Pregnant/Lactating: Consult with a physician or healthcare professional.
- For Most Lifestyles: MaryRuth L Theanine liquid drops are Non-GMO, Vegan, Made in a GMP (Good Manufacturing Practice) Facility Dairy Free, Nut Free, Soy Free, and Sugar Free. Each bottle comes with 30 servings.
9. L Theanine 400mg | 120 Capsules | Non-GMO & Gluten Free | by Horbaach
- AMINO SUPPORT: L-Theanine is a naturally-occurring Amino Acid found in widely touted Green Tea
- DYNAMIC SUPPLEMENT: Contains 400 mg of L-Theanine per serving in convenient Quick-Release capsules
- PROFESSIONAL SOURCING: Our ingredients are carefully selected and tested to ensure strong purity
- HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
- NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Soy, Artificial Color & Flavoring & NON-GMO
10. Doctor's Best L-Theanine Contains Suntheanine, Helps Reduce Stress & Sleep, Non-GMO, Gluten Free,
- Doctors Best L-Theanine contains Suntheanine, a pure form of L-Theanine on the market produced via a patented process that mimics the natural process in green tea leaves. L-Theanine helps promote a healthy mood and a restful relaxed state while maintaining daytime alertness
- Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
- CALMNESS L-Theanine supports relaxation and a sense of calm without causing drowsiness or loss of focus. This amino acid found naturally in tea helps support healthy stress response, relaxation, focus and memory
- SUPPORTS BRAIN HEALTH - L-Theanine is a powerful Amino Acid that enhances cognitive performance and alertness. L-Theanine may help improve quality of sleep, learning performance, concentration and help support the immune system. L-Theanine may also help reduce the negative effects of caffeine
- SUNTHEANINE - L-theanine is an agent that is used for nervousness and tension by supporting mental tranquility. Suntheanine may normalize the bodys stress response and condition the body to handle stressful situations better
- During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
Peter
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