Last update
5/21/2026
Reviewed By
Overview
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.3
Supplement Facts
Serving Size: 1 Veggie Capsule
Serving Per Container: 90
Amount Per Serving
%DV
L-Theanine (Suntheanine®)
150 mg
†
Most Useful Reviews
9
Effective pressure reduction
Excellent! Great blood pressure reduction and dopamine receptor upregulation.
Read More
7.5
Various benefits
5 people found this helpful
I adore green tea and am convinced of its many benefits. L-theanine elevates GABA, serotonin, and dopamine levels, which are vital for regulating emotions and cognitive skills. It may aid relaxation, weight loss, immune function, and reduce blood pressure. Remember to take a break after an 8-week course.
Read More
7.5
Blood sugar control
1 people found this helpful
Recently, I've started taking this to manage my blood sugar levels, found it effective while monitoring with Libre. It helps me relax and maintain weight.
Read More
User Reviews
USERS' SCORE
Good
Based on 5 Reviews
8.3
- All Reviews
- Positive Reviews
- Negative Reviews
9
Effective pressure reduction
Excellent! Great blood pressure reduction and dopamine receptor upregulation.
Read More
7.5
Various benefits
5 people found this helpful
I adore green tea and am convinced of its many benefits. L-theanine elevates GABA, serotonin, and dopamine levels, which are vital for regulating emotions and cognitive skills. It may aid relaxation, weight loss, immune function, and reduce blood pressure. Remember to take a break after an 8-week course.
Read More
7.5
Blood sugar control
1 people found this helpful
Recently, I've started taking this to manage my blood sugar levels, found it effective while monitoring with Libre. It helps me relax and maintain weight.
Read More
9
Stabilised blood pressure
After dinner, I take this to help with my blood pressure and sleep. If taken too soon, it makes me drowsy, but my blood pressure has stabilised, likely due to its sedative effect. A reliable brand!
Read More
7.5
Reduced racing thoughts
This significantly helps in calming my mind in the evening and also contributes to lower blood pressure.
Read More
Frequently Asked Questions
9
Stabilised blood pressure
After dinner, I take this to help with my blood pressure and sleep. If taken too soon, it makes me drowsy, but my blood pressure has stabilised, likely due to its sedative effect. A reliable brand!
7.5
Reduced racing thoughts
This significantly helps in calming my mind in the evening and also contributes to lower blood pressure.
7.5
Various benefits
5 people found this helpful
I adore green tea and am convinced of its many benefits. L-theanine elevates GABA, serotonin, and dopamine levels, which are vital for regulating emotions and cognitive skills. It may aid relaxation, weight loss, immune function, and reduce blood pressure. Remember to take a break after an 8-week course.
9
Effective pressure reduction
Excellent! Great blood pressure reduction and dopamine receptor upregulation.
7.5
Blood sugar control
1 people found this helpful
Recently, I've started taking this to manage my blood sugar levels, found it effective while monitoring with Libre. It helps me relax and maintain weight.
