NOW
NOW L-Theanine 200mg
87/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does NOW L-Theanine 200mg Do?
NOW L-Theanine pairs 200 mg of L-theanine with 100 mg of inositol to support relaxation, acute stress resilience, and sleep quality, supported by good clinical evidence.
Will 200 mg of L-theanine make me feel drowsy during daytime work?
Can I combine this supplement with morning coffee or tea?
Is 100 mg of inositol enough to experience its clinical effects?
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What Are the Benefits of NOW L-Theanine 200mg?
Based on proven scientific research
Stress ReliefStrong
Sleep QualityStrong
Cognitive FocusModerate
Good For:
What Are the Side Effects of NOW NOW L-Theanine 200mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-theanine at 200 mg is generally well tolerated, with mild headaches, drowsiness, or lightheadedness occasionally reported in clinical trials.
•May have additive effects with sedative medications, central nervous system depressants, or antihypertensive drugs.
•The 100 mg dose of inositol is modest compared to typical clinical amounts, but mild gastrointestinal upset or nausea can rarely occur.
•Safety data during pregnancy and breastfeeding are limited, so use is not recommended without healthcare guidance.
•Capsule formulation contains hypromellose and stearic acid, free of major common food allergens.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Veg capsule (hypromellose, water)
Low RiskStearic acid (vegetable source)
Low RiskA canadian company date published: 2025-02-05 rated 5 out of 5 by hellie from good product
Low RiskGood
Low RiskWhat Are the Ingredients in NOW NOW L-Theanine 200mg?
L-Theanine
200 mg
Inositol
100 mg
Veg Capsule (hypromellose, water)
Stearic Acid (vegetable source)
a Canadian company Date published: 2025-02-05 Rated 5 out of 5 by Hellie from Good product
good
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Dosage & Bioavailability
How the active doses and forms in NOW L-Theanine 200mg compare to the research.
•L-Theanine 200-400 mg a day versus the studied range 100 mg/day.
•Inositol 100-200 mg a day versus the studied range 2,000-4,000 mg/day.
Sources & References
Frequently Asked Questions
Common questions about NOW NOW L-Theanine 200mg