Promotes relaxation and reduces stress without drowsiness.
Yes. It's the perfect combination. It smooths out the caffeine jitters and sharpens the focus.
No, it's a relaxant, not a sedative. It calms you down without knocking you out. You can take it during the day and work just fine.
Yes. People drink green tea daily, which contains theanine. It's considered very safe for long-term use.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Unlikely. Studies and user reports show it works consistently without needing to increase the dose over time.
Fast. Most people feel the effects within 30 to 60 minutes.
Yes, for many people it provides a noticeable reduction in acute stress and anxiety. It takes the edge off.
L-Theanine is the specific form that works in the brain. If a label just says 'Theanine', it's almost certainly L-Theanine. They're used interchangeably.
Most research uses 0.2g daily. Below 0.1g, you're probably wasting money. Above 0.4g, no extra benefit. The curve plateaus. Safe upper limit ~ 0.9g.
Theanine is thought to increase alpha brain wave activity, which is associated with a relaxed mental state. It may also influence neurotransmitters like GABA, serotonin, and dopamine.
Theanine's effects on relaxation and anxiety reduction are reasonably well-supported by research. While not a cure-all, it consistently demonstrates mild benefits for many users.
Leaves of the Camellia sinensis plant (what all tea is made from). Also found in one rare mushroom, the Bay Bolete.
Theanine interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.