Last update
4/11/2026
Reviewed By
Overview
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.1
Supplement Facts
Serving Size: 1 Veggie Capsule
Serving Per Container: 90
Amount Per Serving
%DV
L-Theanine (Suntheanine®)
150 mg
†
Most Useful Reviews
7.5
Improved sleep quality
2 people found this helpful
I purchased this to help with fatigue and thyroid issues, and was advised to take it before bed. It works well, and my sleep has improved since I started taking it.
Read More
7.5
Eases stress, fatigue
2 people found this helpful
This supplement effectively relieves stress, irritation, and fatigue without diminishing mental clarity. It’s especially beneficial for tired mothers.
Read More
7.5
Supports mood improvement
1 people found this helpful
This supplement works remarkably well in combination with therapy for depression and fatigue. After 5-7 days of usage, I experienced improved sleep, a stronger mood, and decreased negative thoughts, contributing to a desire to live life more fully.
Read More
User Reviews
USERS' SCORE
Good
Based on 4 Reviews
8.1
- All Reviews
- Positive Reviews
- Negative Reviews
7.5
Improved sleep quality
2 people found this helpful
I purchased this to help with fatigue and thyroid issues, and was advised to take it before bed. It works well, and my sleep has improved since I started taking it.
Read More
7.5
Eases stress, fatigue
2 people found this helpful
This supplement effectively relieves stress, irritation, and fatigue without diminishing mental clarity. It’s especially beneficial for tired mothers.
Read More
7.5
Supports mood improvement
1 people found this helpful
This supplement works remarkably well in combination with therapy for depression and fatigue. After 5-7 days of usage, I experienced improved sleep, a stronger mood, and decreased negative thoughts, contributing to a desire to live life more fully.
Read More
6
Reduced fatigue effects
2 people found this helpful
I am quite surprised by how well this amino acid suits me. I’ve noticed less drowsiness, fatigue, and stress while feeling more centred. I regularly try new things from iHerb; if nothing surpasses this, I will keep ordering it. It’s particularly effective when combined with tryptophan.
Read More
Frequently Asked Questions
7.5
Supports mood improvement
1 people found this helpful
This supplement works remarkably well in combination with therapy for depression and fatigue. After 5-7 days of usage, I experienced improved sleep, a stronger mood, and decreased negative thoughts, contributing to a desire to live life more fully.
7.5
Eases stress, fatigue
2 people found this helpful
This supplement effectively relieves stress, irritation, and fatigue without diminishing mental clarity. It’s especially beneficial for tired mothers.
7.5
Improved sleep quality
2 people found this helpful
I purchased this to help with fatigue and thyroid issues, and was advised to take it before bed. It works well, and my sleep has improved since I started taking it.
6
Reduced fatigue effects
2 people found this helpful
I am quite surprised by how well this amino acid suits me. I’ve noticed less drowsiness, fatigue, and stress while feeling more centred. I regularly try new things from iHerb; if nothing surpasses this, I will keep ordering it. It’s particularly effective when combined with tryptophan.
