Serene Science, L-Theanine, 200 mg, 60 Capsules, Source Naturals

Serene Science, L-Theanine, 200 mg, 60 Capsules, Source Naturals
Model: SN1646
(212)
2 stores
1 Products

Product Details

L-Theanine is a unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and contributes to the unusual taste of green tea. Human studies have shown that taking L-theanine affects the emission of alpha waves in the brain associated with states of relaxation and focused attention. Preliminary research has shown that L-theanine crosses the blood brain barrier, and suggests that it may support healthy neurotransmitter levels in the brain, and inhibit the stimulatory properties of caffeine.

Source Naturals L-Theanine 60 Tablets

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Last Updated: 2025-11-01 08:19:42

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Product Specifications

Technical Details

Manufacturer -
Brand Source Naturals
Item model number SN1646
Color Multicolor
Weight -
Height -
Depth -

Additional Product Information

Product Id 445463
User Reviews and Ratings
4.5 (212 ratings)
4.5 out of 5 stars
UPC 021078016465

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Serene Science, L-Theanine, 200 mg, 60 Capsules, Source Naturals
Reviews: 212
app.ratings: (212)
Price:
$24.99 Visit walmart

Top User Reviews and Ratings (10 total reviews)

(4)
Reviewed in the USA on May 15, 2024

Amazing packaging by iHerb as always and super fast delivery. Pill size is standard and it's good quality. L-Theanine is known for its relaxation benefits and that's what it did for me!

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Mar 06, 2024

I use this in the middle of the night to help go back to sleep. I've also used it in the evening when my mind is on overdrive. Naturally calms your brain.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Jan 04, 2024

An excellent complex. It helped to normalize sleep and reduce anxiety. I stopped spinning unnecessary thoughts in my head, I became more concentrated. I take 1-2 capsules a day on an empty stomach.

Anonymous • Review provider: walmart.com
(3)
Reviewed in the USA on Sep 30, 2023

Easy to swallow. One of the best magnesium type in terms of absorption. So excited to see the benefits, I feel more energetic already.

Anonymous • Review provider: walmart.com
(4)
Reviewed in the USA on Mar 27, 2023

Cant give a 5 star as of yet as this is the first time trying them. Used to use AOR before to up gaba and relaxation..this time I wanted to try the patented Sun Theanine version

Anonymous • Review provider: walmart.com
Showing 1 to 5 of 10 reviews
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