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L-Theanine

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    L-Theanine 200 mg 60 caps by Integrative Therapeutics

    Integrative Therapeutics
    5+ in stock

    L-Theanine by Integrative Therapeutics provides L-theanine, an amino acid found naturally in green tea. L-theanine from a non-drowsy formula Suppor...

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    Liposomal L-Theanine 2 fl oz by NutriDyn

    NutriDyn
    5+ in stock

    NutriDyn's Liposomal L-Theanine is an easy-to-take, great-tasting supplement that helps ease anxiety and stress. Liposomal L-Theanine can help you ...

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    L-Theanine 400 mg by Pure Encapsulations

    Pure Encapsulations
    5+ in stock

    L-Theanine by Pure Encapsulations contains a powerful and distinctive amino acid found in green tea, recognized over the years for its relaxing and...

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    L-Theanine Pro 200 mg 60 Capsules By NutriDyn

    NutriDyn
    5+ in stock

    NutriDyn's L-Theanine Pro contains L-theanine, a naturally occurring amino acid found in green tea leaves. L-theanine has been shown to have a numb...

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    L-Theanine 100 mg 60 caps by Klaire Labs/SFI Health

    Klaire Labs
    5+ in stock

    L-Theanine from Klaire Labs is a dietary supplement designed to promote relaxation without any drowsiness. An amino acid commonly found in both gre...

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    L-Theanine 400 mg by Xymogen

    Xymogen
    5+ in stock

    Xymogen's L-Theanine is a naturally occurring amino acid that has been shown to have a number of possible benefits, including: Promotes relaxation...

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    L-Theanine 200 mg 60 capsules by Protocol for Life Balance

    Protocol For Life Balance
    5+ in stock

    L-Theanine 200 mg by Protocol For Life Balance is a dietary supplement designed to promote healthy cognitive function. L-Theanine 200 mg by Protoco...

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    Theanine 200 mg 90 caps by Thorne Research

    Thorne Research
    5+ in stock

    Theanine 200 mg by Thorne Research is a professional and reliable health supplement which is able to help with promoting optimal brain function and...

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    L-Theanine 200 mg by Vital Nutrients

    Vital Nutrients
    5+ in stock

    L-Theanine from Vital Nutrients is a high quality health supplement which is designed to help increase alpha brain wave activity which is a sign of...

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    L-Theanine 200 mg 60 capsules by NOW

    Now
    5+ in stock

    L-Theanine 200 mg 60 vcaps by NOW Foods contain a digestible form of L-theanine that is readily absorbed by the body. Another active ingredient is ...

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    L-Theanine 25 mg Pineapple 120 tablets by KAL

    KAL
    5+ in stock

    L-Theanine 25 mg Pineapple 120 tabs by KAL are a perfect supplement for those looking to find relaxation, as well as, improvements to focus and ove...

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    L-Theanine 200 mg 120 caps by Metabolic Maintenance

    Metabolic Maintenance
    5+ in stock

    L-Theanine is a non-protein amino acid found naturally in the green tea plant (Camellia sinensis). It is an effective GABA precursor and supports h...

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    L-Theanine 100 mg 90 capsules by NOW

    Now
    5+ in stock

    L-Theanine 100 mg 90 vcaps by NOW is a dietary supplement friendly for vegetarian and vegans that is infused with decaffeinated green tea extract. ...

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    L-Theanine 200 mg by Davinci Labs

    DaVinci Labs
    5+ in stock

    Davinci Labs' L-Theanine 200 mg is a dietary supplement that contains the amino acid L-theanine. L-theanine is a naturally occurring amino acid tha...

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    Theanine 200 mg 60 caps by Jarrow Formulas

    Jarrow Formulas
    5+ in stock

    Jarrow Formulas Theanine 200 provides 200 mg of L-theanine, an amino acid found in green tea. It supports relaxation and a calm, focused mind witho...

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    L-Theanine 100 mg 60 caps by Douglas Labs

    Douglas Labs
    5+ in stock

    L-Theanine 100 mg by Douglas Labs is a dietary supplement designed to promote healthy mental function and a sense of calm and well-being. The key i...

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    Suntheanine L-Theanine 200 mg 60 tablets by Natural Factors

    Natural Factors
    5+ in stock

    As a helpful amino acid found in greed tea, Suntheanine L-Theanine 60 tabs by Natural Factors harness the ingredient’s ability to promote relaxatio...

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    Theanine 100 mg 60 caps by Jarrow Formulas

    Jarrow Formulas
    5+ in stock

    Jarrow Formulas Theanine 100 mg provides L-theanine, an amino acid found in green tea. It supports relaxation and a calm, focused mind without drow...

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    L-Theanine 200 mg by Nature's Way

    Nature's Way
    5+ in stock

    L-Theanine by Nature's Way provides 200 mg of L-theanine, an amino acid found in tea leaves, to promote calm focus without drowsiness.* It pairs we...

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    Theanine XR Stress Relief 400 mg 30 tablets by Life Extension

    Life Extension
    5+ in stock

    Theanine XR™ Stress Relief A revolutionary extended-release formula from Life Extension. Unlike standard L-theanine supplements, Theanine XR™ prov...

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    L-Theanine 200 mg 60 capsules by Premier Research Labs

    Premier Research Labs
    5+ in stock

    Achieving a state of calm focus and balanced mental clarity is essential for daily performance. Premier Research Labs' L-Theanine provides high-pot...

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    Theanine Gummies 100 mg 60 gummies by Jarrow Formulas

    Jarrow Formulas
    5+ in stock

    Jarrow Formulas Theanine Gummies provide 100 mg of L-theanine, an amino acid found in green tea, in an apple-flavored gummy. They support relaxatio...

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    L-Theanine 200 mg 90 capsules by Metabolic Maintenance

    Metabolic Maintenance
    5+ in stock

    L-Theanine 90 Capsules by Metabolic Maintenance: Achieve Calm Focus Naturally Find your state of calm and clarity with Metabolic Maintenance's L-Th...

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    Mood Magnesium Gummies with Ashwagandha & L-Theanine Green Apple 30 Gummies by Natural Stacks

    Natural Stacks
    5+ in stock

      Mood Magnesium Gummies with Ashwagandha & L-Theanine by Natural Stacks supports a calm, focused mood and healthy stress response through a ta...

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    About L-Theanine

    L-theanine is an amino acid found naturally in green tea. It supports a calm, relaxed state of mind without drowsiness, which is why it is popular for both daytime focus and evening wind-down routines.

    This collection includes L-theanine capsules, tablets, chewables and liposomal liquids from Pure Encapsulations, Thorne, Integrative Therapeutics, Klaire Labs, NutriDyn and more.

    How to Choose an L-Theanine Supplement

    • Strength: Capsules range from 100 to 400 mg. Many people start with 100 to 200 mg.
    • Suntheanine: A branded, pure form of L-theanine used in several practitioner formulas.
    • Chewables and liquids: Low-dose chewables suit kids and people who prefer not to swallow capsules, and liposomal liquids absorb quickly.
    • Combination formulas: L-theanine paired with GABA, magnesium or herbs for broader stress and sleep support.

    For calm focus during the day, L-theanine is often taken with morning coffee or tea. For evenings, many people pair it with magnesium glycinate or melatonin.

    Frequently Asked Questions

    What does L-theanine do?

    L-theanine supports relaxation and calm focus without causing drowsiness. It is used during the day for focus under pressure and in the evening to help the mind wind down.

    How much L-theanine should I take?

    Most people take 100 to 400 mg per day. Start with 100 to 200 mg and follow the product label.

    Can I take L-theanine with coffee?

    Yes, and many people do. L-theanine is often paired with caffeine to support smooth, focused energy.

    Will L-theanine make me sleepy?

    Not usually. It supports relaxation rather than sedation, so it can be taken during the day. Many people also use it as part of a bedtime routine.

    Related categories: GABA | Sleep Support | Stress Relief | Brain Health & Memory | Magnesium Glycinate

    *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

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