

🧠 Stay sharp, stay serene — your daily calm in a capsule.
Integrative Therapeutics L-Theanine offers 200 mg of clinically studied amino acid per serving to support stress response and relaxation without drowsiness. This vegan, gluten-free supplement provides 30 servings per bottle, trusted by professionals for over 25 years for quality and consistency.









| ASIN | B0036H0CV6 |
| Best Sellers Rank | #3,178 in Health & Household ( See Top 100 in Health & Household ) #46 in Blended Vitamin & Mineral Supplements |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,420) |
| Date First Available | December 2, 2007 |
| Department | unisex-adult |
| Item model number | 5450 |
| Manufacturer | Integrative Therapeutics |
| Product Dimensions | 2.02 x 2.02 x 4.02 inches; 1.6 ounces |
S**H
Best L-Theanine for Relaxation
This is the best L-Theanine I’ve tried. It really helps relax me, especially at night. I take it with magnesium before bed and it makes me feel calm, sleepy, and ready to unwind. I’ve tried other brands, but this one works the best and feels the most consistent. It’s gentle on my stomach and helps me settle down after long, stressful days. Definitely my favorite.
N**M
Calm Focus Without Drowsiness
I’ve been using this L-theanine for months and find it very helpful for managing daily stress while staying focused. It promotes a calm, centered feeling without causing drowsiness. I notice the benefits most during the day, especially during busy or demanding moments. The formula is clean and effective. Integrative Therapeutics continues to be a brand I trust.
N**E
100% Recommend
Obsessed with this. If I eat late at night I have the craziest dreams or if I’m anxious I’ll be up all night with crazy dreams constantly waking up. Take these before bed and I have the best sleep I’ve ever had. Calms the mind, don’t feel drowsy after. Definitely recommend for any sleeping troubles. Helps you fall asleep and stay asleep.
H**N
Great quality
Great quality
S**Y
Focus and calm
I got this one because my doctor recommended this brand to me. It helps me stay focused and calm. Would recommend to others that need help with focusing and staying asleep through the night.
C**E
calms my very active mind.
This priduct is very beneficial to keep me calm and settled during the day and night
C**N
Quality
Didn't work for me for sleep But use this company for many supplements
M**S
Easy to take and helps take the edge off
These L-Theanine capsules are simple to take and feel really gentle. I notice a slight calming effect, nothing heavy, just enough to take the edge off when I am feeling stressed. No weird aftertaste and no drowsiness. It is always hard to measure supplements exactly, but this one feels clean and consistent. A nice add-on if you want a little extr
Trustpilot
1 month ago
1 week ago