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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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 900% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 8 Sept 2026.
Last updated at 08/09/2026 15:18:58
CARUSO'S L-THEANINE 400 CAP 30
Delivery between 15–18 Sept $14.99
Caruso's L-Theanine 400 30 Capsules
Carusos L-Theanine 30 Capsules
Delivery between Thu – Fri $9.99
Caruso's L-Theanine 400 30 Tablets
Delivery between Thu – Mon $15
Carusos L-Theanine 30 Capsules
Delivery $11.49
Caruso's L-theanine 400 30 Capsules
Delivery $7.99
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Caruso's L-theanine 400 30 Capsules Calm & Concentration Relieves
Delivery $7.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Carusos L-theanine 30 Capsules
Delivery $7.99
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Caruso's L-theanine 400 30 Capsules Calm & Concentration Relieves
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Caruso's L-theanine 400 Capsules 30
Delivery $9.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Variant | |
| size | 30 Capsules |
CARUSO'S L-THEANINE 400 CAP 30
Delivery between 15–18 Sept $14.99
Caruso's L-Theanine 400 30 Capsules
Carusos L-Theanine 30 Capsules
Delivery between Thu – Fri $9.99
Caruso's L-Theanine 400 30 Tablets
Delivery between Thu – Mon $15
Carusos L-Theanine 30 Capsules
Delivery $11.49
| Variant | |
| size | 30 Capsules |
