Caruso's L-Theanine 400 is a one-a-day, 400mg strength capsule which utilises L-Theanine for its ability to increase alpha brainwave activity and offer mind relaxation and calming benefits without causing drowsiness. Caruso's L-Theanine 400 can relieve symptoms of stress and assist the body to cope with environmental stressors. It can also support mental concentration, focus and clarity as well as cognitive and mental function.
Caruso's L-Theanine 400 is a one-a-day, 400mg strength capsule which utilises L-Theanine for its ability to increase alpha brainwave activity and offer mind relaxation and calming benefits without causing drowsiness. Caruso's L-Theanine 400 can relieve symptoms of stress and assist the body to cope with environmental stressors. It can also support mental concentration, focus and clarity as well as cognitive and mental function.
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The lowest price for right now is , compared across 22 retailers.
Caruso's L-Theanine 400 30 Capsules
Caruso's L-Theanine 400 is a one-a-day, 400mg strength capsule which utilises L-Theanine for its ability to increase alpha brainwave activity and offer mind relaxation and calming benefits without causing drowsiness. Caruso's L-Theanine 400 can relieve symptoms of stress and assist the body to cope with environmental stressors. It can also support mental concentration, focus and clarity as well as cognitive and mental function.
Caruso's L-Theanine 400 is a one-a-day, 400mg strength capsule which utilises L-Theanine for its ability to increase alpha brainwave activity and offer mind relaxation and calming benefits without causing drowsiness. Caruso's L-Theanine 400 can relieve symptoms of stress and assist the body to cope with environmental stressors. It can also support mental concentration, focus and clarity as well as cognitive and mental function.
The all-time low was $1.00 on 17 Oct 2025 — today's price is 1647% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 9 June 2026.
Last updated at 09/06/2026 02:00:54
Carusos L-Theanine 30 Capsules
Delivery between Wed – Thu $9.99
Caruso's Natural Health L-Theanine 400 30 Capsules
Next-day delivery $9.95
Caruso's L-Theanine 400 Capsules 30
Delivery $7.99
Carusos L Theanine 400 Caps 30
Delivery $9.95
Caruso's L-Theanine 400 Capsules 30
Delivery $7.99
Caruso's L-Theanine 400 30 Capsules
Delivery $7.99
Caruso's L-Theanine 400 30 Capsules
Delivery between 12–16 June $9.11
Carusos L-Theanine 30 Capsules
Delivery $11.49
Carusos L-Theanine 30 Capsules
Delivery $15
Carusos L Theanine 400 Capsules 30
Delivery $8.99
| Variant | |
| size | 30 Capsules |
Carusos L-Theanine 30 Capsules
Delivery between Wed – Thu $9.99
Caruso's Natural Health L-Theanine 400 30 Capsules
Next-day delivery $9.95
Caruso's L-Theanine 400 Capsules 30
Delivery $7.99
Carusos L Theanine 400 Caps 30
Delivery $9.95
Caruso's L-Theanine 400 Capsules 30
Delivery $7.99
| Variant | |
| size | 30 Capsules |
