What is L-Theanine? Uses, warnings & side effects

Updated May 14, 2025  •  Published Dec 30, 2020

Check our best L-Theanine prices

L-Theanine overview

BRAND NAMES:

Generic Names:

  • L-Theanine

Uses:

Therapeutic Classes:

Forms:

How it’s taken:

What is L-Theanine used for?

What form(s) does L-Theanine come in?

What are common L-Theanine dosages?

  • Bottle 60 Capsules

How to take L-Theanine

What to do if you miss a dose of L-Theanine

L-Theanine contraindications - Who shouldn't take L-Theanine?

L-Theanine warnings

L-Theanine interactions & what to avoid when taking L-Theanine

L-Theanine News & Research

Can you take L-theanine with caffeine?

How to stop taking propranolol for anxiety

Can dogs take sertraline?

Buspirone for dogs

How to get Adderall over the counter

5 over-the-counter treatments for stress and anxiety

How do you use gabapentin for dogs?

What is the best magnesium for sleep?

Alprazolam (Xanax) alternatives: What can I take instead of alprazolam?

Browse drugs A-Z:

View all
ABCDEFGHIJKLMNOPQRSTUVWXYZ

Subscribe to our savings newsletter

Health education, drug info, wellness & more

By clicking 'Subscribe', I agree to SingleCare's Terms & Conditions.