Featured Filter by Type Adaptogens (4) Amino Acids (14) Botanical Extracts (42) Cholinergics (3) Nootropics (10) Mushroom Extracts (14) Vitamins and Minerals (24) Filter by Use Blood Sugar Support (13) Cardiovascular Support (22) Digestive Support (1) Energy / Focus (23) Fitness / Exercise (25) Immune Support (17) Joint Support (8) Liver Support (7) Memory Support (31) Metabolic Support (19) Mitochondrial Support (10) Mood Support (26) Skin Health (8) Sleep Support (17) Filter by Tag Antioxidant Bio-Availability Enhancement Blood Flow Blood Sugar Bone & Joint Cardiovascular Cellular Function Cognitive Function Cortisol Digestion Endurance Energy Exercise Recovery Eye Health Focus Heart Health Immune Support Inflammation Liver Function Longevity Memory Metabolic Function Mood Neuroprotection Pain Relief Physical Energy Sexual Function Skin Health Sleep Stamina Strength Stress Vitality 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

  • Panax Ginseng Leaf Extract 20%

    Energy Stress Mood Cognitive Function

  • L-Tryptophan

    Sleep Mood Well-being Stress

  • Vitamin D3 0.25%

    Well-being Immune Support Cognitive Function Mood

  • Magnesium Bisglycinate

    Sleep Well-being Mood Immune Support

  • Centella Asiatica (Gotu Kola)

    Memory Sleep Cognitive Function Stress

  • Red Reishi Mushroom Extract 8:1

    Immune Support Sleep Antioxidant Metabolic Function

  • affron® Saffron Extract

    Mood Sleep Stress Cognitive Function

  • Lutein 10%

    Eye Health Antioxidant Cardiovascular Cognitive Function

  • N-Acetyl-L-Tyrosine (NALT)

    Energy Mood Cognitive Function Memory

  • Maitake Mushroom 4:1 Extract

    Immune Support Cardiovascular Stress Mood

  • Panax Ginseng Leaf Extract 80%

    Stress Energy Mood Cognitive Function

  • Cat’s Claw

    Cognitive Function Mood Focus