L Theanine for Sleep
Medically reviewed by a licensed pharmacist · Last reviewed 6/13/2026
Dose
100-200mg by mouth 30-60 minutes before bedtime. May take with or without food. Start with lower dose to assess tolerance.
What to watch for
Read the product label and ask a pharmacist if you take other medicines or have a health condition.
Not for children under 18.
Sources
- FDA OTC Monograph
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Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.