Price: £64.95
(as of Dec 24, 2025 16:19:14 UTC – Details)

What is Theanine?
Theanine or L-Theanine is an amino acid analogue which is a constituent of green tea. Theanine has been reported to raise levels of brain serotonin, dopamine, and GABA, with possible improvement in specific memory and learning tasks.
Tea is the only naturally occurring source of the Theanine acid in your diet.
Our L-Theanine powder has been manufactored through an advanced synthetic process, it is suitable for vegetarians and vegan.
Benefits of Theanine powder

100% Pure L-Theanine.
Combats Stress.
Enhances Brain Activity.
Vegetarian and Vegan Friendly.

About REDWELLS
We are a leading nutritional supplement brand, supplying a range of premium products throughout the UK and the rest of the world.
We believe customers deserve full transparency.
We source our raw ingredients directly from manufacturers who hold accreditations such as ISO 9001, ISO 14001 and ISO 22000. We ensure they have not been adulterated in any way, giving our customers the highest quality, premium supplements available.
Is discontinued by manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 35 x 25 x 3.5 cm; 1 kg
Manufacturer ‏ : ‎ REDWELLS
ASIN ‏ : ‎ B08BZWPQ9Q
Customer reviews: 4.4 4.4 out of 5 stars (104) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
NO ADDITIVES – Our Theanine powder contains absolutely no additives, preservatives or other added products, this is simply 100% pure L-Theanine powder.
HIGHEST QUALITY – Manufactured to highest standards. Certificate of Analysis and MSDS is available upon request.
VEGETARIAN/VEGAN – Produced through an advanced synthetic process, our L-Theanine powder is suitable for vegetarian and vegans.
FREE SCOOP WITH EVERY ORDER! – We recommend using a set of digital scales for accuracy, however we do provide a free scoop with every order.