Featured Filter by Type Adaptogens (8) Amino Acids (13) Botanical Extracts (42) Cholinergics (4) Nootropics (13) Mushroom Extracts (14) Vitamins and Minerals (24) Filter by Use Blood Sugar Support (13) Cardiovascular Support (22) Digestive Support (1) Energy / Focus (22) Fitness / Exercise (26) Immune Support (17) Joint Support (8) Liver Support (7) Memory Support (32) Metabolic Support (19) Mitochondrial Support (10) Mood Support (25) Skin Health (8) Sleep Support (17) Filter by Tag Antioxidant Bio-Availability Enhancement Blood Flow Blood Sugar blood sugar Bone & Joint Cardiovascular cardiovascular Cellular Function Cognitive Function cognitive function cortisol Cortisol Digestion digestion Endurance Energy energy exercise Exercise Recovery Eye Health Focus Heart Health hormone immune support Immune Support inflammation Inflammation Liver Function liver function Longevity longevity magnesium memory Memory Metabolic Function mitochondrial function Mood mood neuroprotection Neuroprotection Pain Relief pain relief Physical Energy Sexual Function skin Skin Health sleep Sleep Stamina Strength Stress stress testosterone Vitality weight loss Well-being Upcoming

L-Theanine

Key Benefits of L-Theanine

  • May improve mood †
  • Shown to reduce anxiety †
  • Can play a role in increasing natural GABA levels †

What is L-Theanine? 

L-Theanine is a naturally occurring amino acid, commonly found in tea (green tea specifically). It does not contain any caffeine itself, however it is thought to be the ingredient in green tea responsible for providing the calming effects associated with its use.

Typical Dose 200mg
Common Ranges
Dosage Ratio 1:1
Dosing Interval Once a Day
Optimal Timing Anytime
Optimal Use Empty Stomach
Taste Profile Umami
Solubility Water
Stability & Storage
Stable at room temperature. Not prone to clumping under normal conditions. Safety Information
Always check with a qualified healthcare professional before taking this supplement if you are pregnant, nursing a baby, under 18 years of age, or if you have any known or suspected medical condition(s) and/or are taking any prescription or OTC medication(s). Keep out of reach of children and pets. Disclaimer
This product is not intended to diagnose, treat, cure, or prevent any diseases. These statements have not been evaluated by the Food and Drug Administration. Supplements are not a substitute for a healthy, varied diet.
    There are no reviews yet.

£0.16 / gram

Primary Effects / Benefits

  Similar Ingredients by Tag

Sleep Cognitive Function Mood Stress

  Synergistic Ingredients

  • Caffeine Anhydrous

    Energy Focus Endurance Cognitive Function

  • Taurine

    Metabolic Function Heart Health Stress Eye Health

  • Guarana Extract

    Energy Endurance Focus Memory

  • Dynamine™ (Methylliberine)

    Energy Endurance Focus

  • Theacrine (TeaCrine®)

    Energy Endurance Focus Cognitive Function

  • Bacopa Monnieri Extract

    Memory Sleep Cognitive Function Stress

  • Panax Ginseng Root Extract 20%

    Immune Support Blood Sugar Cognitive Function Stress

  • Panax Ginseng Leaf Extract 80%

    Stress Energy Mood Cognitive Function

  • Chocamine® Cocoa Extract

    Endurance Energy Mood Stamina

  • Lutein 10%

    Eye Health Antioxidant Cardiovascular Cognitive Function

  • Maca Root Extract 10:1

    Endurance Mood Energy Memory

  • Phosphatidylserine 50%

    Cortisol Cognitive Function Stress Mood

  • Centella Asiatica (Gotu Kola)

    Memory Sleep Cognitive Function Stress

  • Maitake Mushroom 4:1 Extract

    Immune Support Cardiovascular Stress Mood

  • Astaxanthin 2%

    Skin Health Antioxidant Eye Health Memory

  • Green Tea Extract

    Cognitive Function Metabolic Function Cardiovascular Exercise Recovery

  • Cat’s Claw

    Cognitive Function Mood Focus