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Best L Theanine

From leading brands and best sellers available on the web.
#1

Winner

Sports Research Double Strength L-T

Sports Research

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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

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#2
Nutricost L-Theanine 200mg, 240 Cap

Nutricost

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Nutricost L-Theanine 200mg, 240 Capsules - Double Strength

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#3
Nutricost L-Theanine 200mg, 120 Cap

Nutricost

14%OFF

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Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free

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#4
L-Theanine Supplement 200mg, 120 Ca

Double Wood Supplements

15%OFF

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L-Theanine Supplement 200mg, 120 Capsules (Soy Free, Gluten Free, Non-GMO, Third Party Tested) Synergy with Magnesium L-Threonate and Apigenin by Double Wood

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#5
L-Theanine 200mg by Nature's Trove

Nature's Trove

L-Theanine 200mg by Nature's Trove - 120 Vegetarian Capsules

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#6
NOW Foods L-Theanine, Double Streng

NOW Foods

NOW Foods L-Theanine, Double Strength 200 mg Per Cap - 180 Veg Capsules - Enhanced with 100mg Inositol - Vegetarian, Non-GMO - Ltheanine 200mg Supplement

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#7
Pure Encapsulations L-Theanine - Am

Pure Encapsulations

Pure Encapsulations L-Theanine - Amino Acid Supplement to Support Relaxation, Stress & Nervous System - 60 Capsules

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#8
THORNE Theanine - 200mg of L-Theani

THORNE

THORNE Theanine - 200mg of L-Theanine - Support a Healthy Stress Response, Relaxation, and Focus - Increases Brain Alpha-Wave Production* - 90 Capsules

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#9
L Theanine 400 mg | L-Theanine Stre

NUTRAHARMONY

L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Made in USA | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules

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#10
Integrative Therapeutics L-Theanine

Integrative Therapeutics

Integrative Therapeutics L-Theanine - L-Theanine to Support a Relaxed State* - Healthy Stress Response* - Vegan & Gluten-Free Amino Acid Supplement - 200 mg, 60 Capsules

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Buying Guide for the Best L Theanine

L-theanine is a popular supplement known for its calming effects and potential cognitive benefits. When choosing an L-theanine supplement, it's important to consider several key specifications to ensure you get a product that meets your needs. Understanding these specifications will help you make an informed decision and select the best L-theanine supplement for you.
DosageDosage refers to the amount of L-theanine in each serving of the supplement. This is important because the effectiveness of L-theanine can depend on the dosage. Common dosages range from 100 mg to 400 mg per serving. Lower dosages (100-200 mg) are typically used for mild relaxation and stress relief, while higher dosages (200-400 mg) may be used for more pronounced effects on anxiety and sleep. To pick the right dosage for you, consider your specific needs and how your body responds to supplements. If you're new to L-theanine, starting with a lower dosage and gradually increasing it may be a good approach.
FormL-theanine supplements come in various forms, including capsules, tablets, powders, and even teas. The form is important because it affects how you take the supplement and how quickly it is absorbed by your body. Capsules and tablets are convenient and easy to dose, making them a popular choice for many users. Powders can be mixed into drinks or food, offering more flexibility in how you consume the supplement. Teas provide a more natural way to intake L-theanine, often combined with other beneficial compounds found in tea leaves. Choose the form that best fits your lifestyle and preferences.
Purity and QualityPurity and quality refer to the absence of contaminants and the overall integrity of the L-theanine supplement. This is crucial because high-quality supplements are more effective and safer to use. Look for products that are third-party tested, which means they have been independently verified for purity and potency. Additionally, check for certifications such as GMP (Good Manufacturing Practices) to ensure the product is manufactured to high standards. Opt for supplements with minimal additives and fillers to ensure you're getting a pure product.
SourceThe source of L-theanine can vary, with some supplements derived from natural sources like green tea leaves, while others are synthetically produced. The source is important because it can affect the overall quality and potential benefits of the supplement. Natural L-theanine from green tea is often preferred for its additional health benefits and perceived higher quality. However, synthetic L-theanine can be just as effective and is often more affordable. Consider your personal preferences and any additional benefits you may want from the source of your L-theanine.
Additional IngredientsSome L-theanine supplements include additional ingredients such as other amino acids, vitamins, or herbal extracts. These additional ingredients can enhance the effects of L-theanine or provide complementary benefits. For example, L-theanine is often combined with caffeine to promote alertness without the jitteriness that caffeine alone can cause. Other common additions include magnesium for relaxation or B vitamins for energy support. When choosing a supplement, consider whether you want a pure L-theanine product or one with added ingredients that align with your health goals.