Your Questions About Theanine, Answered.

L-theanine is a naturally occurring amino acid, best known from green tea, that supports relaxation without sedation. Rather than dulling alertness, it helps the brain settle into a calmer, more balanced state that still feels clear and in control.

No. Theanine is known for supporting relaxation without drowsiness. Most people describe feeling calmer and more in control while staying clear, alert, and able to function normally.

It supports a calmer, more balanced nervous system state and influences pathways related to relaxation and focus. The effect is often described as calm clarity rather than a lift or a crash.

Neither. Theanine is non-stimulant and non-sedating. It supports calm focus rather than pushing you up like a stimulant or down like a sedative.

It means feeling relaxed and steady while staying sharp and attentive, instead of feeling either wired or foggy. Theanine is studied for supporting exactly that balanced state.

Everyone responds differently, so notice how you feel after each use. Many people reach for it during moments of tension or overstimulation.

Each two-spray serving delivers 36mg of theanine, dissolved in alkaline water. Nothing else is added.

36mg of theanine per two-spray serving, sprayed onto the nasal lining rather than swallowed.

The calming amino acid in this spray is theanine. Theanine is studied for influencing GABA-related pathways in the brain, which is part of how it supports a calm state, so you may see GABA mentioned in that context. For the exact ingredient list, always check the current product label.

Alkaline water is the base the theanine is dissolved in. Nothing else is added.

No. Theanine is non-stimulant and contains no caffeine. It supports calm focus without a caffeine-style lift, jitters, or a crash afterward.

Yes. It is made to clean-label standards, third-party tested, and manufactured in the United States. It comes in a glass bottle rather than plastic.

Yes. Like every Synchronicity formula, it is vegan, gluten-free, non-GMO, soy-free, and dairy-free.

Dispense two sprays into the nose, breathing in gently as you spray. You can use it any time of day.

Any time you want to feel more calm and steady, whether during work, transitions, or moments of higher stress. Many people use it alongside their focus or performance routines.

Breathe in gently, not hard. If you feel it in the back of your throat, ease up next time. After spraying, tilt your head back slightly and wait at least 60 seconds before blowing your nose.

It can be used once or several times throughout the day, depending on your needs. Many people use it situationally or as part of a consistent routine.

Yes. Many people reach for it for pre-meeting or pre-performance calm, when they want to steady their nerves without feeling slowed down or foggy.

Both. It is helpful in high-stimulation moments, and many people also use it daily to maintain a calmer, steadier baseline.

Yes. Theanine pairs especially well with Clarity, helping smooth out focus into a more controlled, steady mental state. It also fits alongside other products in your Sync Stack.

Everyone responds differently. Some people use it as needed in the moment, and others make it part of a daily routine.

If you take medication or manage a health condition, talk with your healthcare provider before use, especially if you take anything that affects blood pressure or the nervous system.

If you are pregnant, nursing, taking medication, or managing a health condition, check with your healthcare provider before use.

Theanine is generally well tolerated and is not known to cause sedation. If you experience nasal irritation or anything unusual, stop use and consult your healthcare provider.

Theanine is not associated with dependency or tolerance in the research, so it is well suited to regular or as-needed use.

Keep the bottle closed and stored as directed on the label. It comes in a small glass bottle, so when flying, pack it according to current carry-on liquid rules.

Theanine Nasal Spray is $59 for a one-month supply. You can Subscribe and Save 15% on every order, with the freedom to skip, change, or cancel anytime.

It is manufactured in the United States with third-party tested ingredients. If anything is not right with your order, contact our team or see our refund policy and we will help.