🌿 Elevate your calm—focus sharper, stress lighter, naturally.
Just Vitamins High Strength L-Theanine delivers 400mg of pure, non-GMO amino acid per serving to promote relaxation, focus, and stress relief without caffeine jitters. Manufactured and batch-tested in the UK, it supports mental alertness and balanced mood with fast absorption. Packaged sustainably in 100% plastic-free biodegradable pouches, this premium supplement is trusted by over 22,000 customers and backed by a satisfaction guarantee.
| Serving Recommendation | 2 capsules |
| Brand | Just Vitamins |
| Format | Capsule |
| Age Range Description | Adult |
M**D
Excellent product
Got this before so reordered. Its an excellent product.
S**E
No noticeable improvement
After taking l-theanine on a consistent basis I have no noticeable improvement in anxiety levels. Sleep hasn't improved whilst using this product.
M**A
Very good for sleep
I take half capsule before bed and helps me have a good sleep
S**N
Didn't notice much difference
Maybe it's just me, but this wasn't the boon I was hoping it would be. No difference to my brain fog/
S**D
Simple effective supplo
The media could not be loaded. I used the medicine spoon a size comparison but these are really easy to swallow 🙂 obviously haven’t cured me but have definitely helped with my anxiety. Personally I’d recommend
K**E
Didnt help
I didnt find these made any difference and not easy to swallow. I didnt reorder.
Trustpilot
2 days ago
4 days ago
