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

9.5
Gradual energy boost
If you suffer from chronic fatigue syndrome, L-theanine Suntheanine capsules can make a significant difference. Regular use boosts activity levels and enhances nervous system function. This natural supplement relaxes without causing drowsiness and fosters a positive mood. Despite my demanding job, it helps me gradually unwind and fall asleep after long hours, avoiding addictive chemicals found in sleeping pills.
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8.8
Eases stress, fatigue
This supplement effectively relieves stress, irritation, and fatigue without diminishing mental clarity. It’s especially beneficial for tired mothers.
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7.5
Improved sleep quality
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.
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User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.3
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Gradual energy boost
If you suffer from chronic fatigue syndrome, L-theanine Suntheanine capsules can make a significant difference. Regular use boosts activity levels and enhances nervous system function. This natural supplement relaxes without causing drowsiness and fosters a positive mood. Despite my demanding job, it helps me gradually unwind and fall asleep after long hours, avoiding addictive chemicals found in sleeping pills.
Read More
8.8
Eases stress, fatigue
This supplement effectively relieves stress, irritation, and fatigue without diminishing mental clarity. It’s especially beneficial for tired mothers.
7.5
Improved sleep quality
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.
8.8
Supports mood improvement
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.
5.5
Reduced fatigue effects
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.
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Frequently Asked Questions

No FAQs are available for this product and symptom.
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