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

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.