Horbaach L-Theanine 400 mg provides 400 mg of L-theanine per serve in quick-release capsules. It comes in 120 count and 400 count bottles. L-theanine is an amino acid found naturally in green tea.
At a glance
| Detail | L-Theanine 400 mg |
|---|---|
| Per serve | 400 mg L-theanine |
| Sizes | 120 and 400 capsules |
What to know
Most trials on L-theanine for relaxation and attention use 100 to 200 mg. A 400 mg serve is at the top end of what has been studied, so check how many capsules make a serve and consider starting with less. A cup of green tea has roughly 10 to 25 mg.
Who should check first
- Blood pressure medicine: L-theanine may lower blood pressure slightly.
- Sedatives or stimulant medicine: check with your pharmacist.
- Pregnant or breastfeeding: check with your doctor first.
How to use and where to buy
Follow the directions on the label. Shop Horbaach L-Theanine online at Supps247 with Australia-wide delivery or click and collect, or browse more from Horbaach.
Checked against the product listing on 12 November 2026. Always read the label and follow the directions. General information, not medical advice.
