SKU: 23595089697

L Theanine 60 or 120 caps

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Description

L Theanine 60 or 120 capsBenefits & Features Promotes relaxation without causing drowsiness Supports healthy cellular function May help moderate the effects of caffeine on the central nervous system May promote premenstrual support including healthy mood The biologically active constituent of green tea Contains clinically researched Suntheanine Made with high quality vegan ingredients backed by verifiable science Indications Ages 18 and up Relaxation without drowsiness

 Benefits & Features

  • Promotes relaxation without causing drowsiness‡
  • Supports healthy cellular function‡
  • May help moderate the effects of caffeine on the central nervous system‡
  • May promote premenstrual support including healthy mood‡
  • The biologically active constituent of green tea
  • Contains clinically researched Suntheanine®
  • Made with high-quality vegan ingredients backed by verifiable science

Indications

  • Ages 18 and up
  • Relaxation without drowsiness‡

Suggested Use

As a dietary supplement, take 2 capsules, 1-3 times daily, between meals.

Verifiable Science

Green tea has been recognized for centuries as having relaxant properties. l-Theanine, a unique amino acid derived from tea, provides the characteristic taste of green tea. l-Theanine also has also discovered as the biologically active constituent of green tea responsible for promoting relaxation. In a preliminary non-clinical study, an l-theanine solution enhanced alpha wave production in the occipital and parietal regions of the brains of volunteers. These observed patterns are considered to be an index of relaxation. Furthermore, it did so rapidly and without causing drowsiness.1 In two additional studies, alpha waves were also shown to be detectable soon after l-theanine administration.2,3 l-Theanine also is useful for supporting healthy cellular function.4 Preliminary research suggests that l-theanine may be helpful for premenstrual support including healthy mood.5 Furthermore, l-theanine has been reported to moderate the effects of caffeine on the central nervous system.6 l-Theanine's safety is supported in studies and by its long history of safe consumption in tea. Pure Encapsulations's l-Theanine is Suntheanine® , the brand which has been used in scientific studies.7‡

References

  1. Juneja LR, et al. Trends in Food Science & Technology.1999. 10; 199-204.
  2. Song CH, et al. Korean J Nutr. 2003 Nov;36(9):918-923.
  3. Kobayashi K, et al. Nippon N'ei Kagakukaighi. 1998:72(2):153-7.
  4. Kim TI, et al. Free Radic Biol Med. 2009 Dec 1;47(11):1601-10.
  5. Timmcke JQ, et al. FASEB J. 2008. 22; 760.
  6. Giles GE, et al. Can J Physiol Pharmacol. 2017 Jan;95(1):93-100
  7. Lyon MR, et al. Altern Med Rev. 2011 Dec;16(4):348-54.
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SKU: 23595089697

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4.5 ★★★★★
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Verified Purchase
James
Whiting, US
★★★★★ 5
Very Powerful Frother!!
Color: White
I’ve been using a frother daily for my drinks, and this one really impressed me with its power for such a compact size. It blends heavier powders into smooth, clump-free mixtures in seconds. I’m a big fan of the build—the metal whisk gives it a solid feel, and it comes with a stand to keep it neat on the counter instead of being shoved in a drawer. Cleaning is a breeze, just a quick rinse, and the rechargeable battery lasts much longer than I anticipated between charges. Just a little tip: start in a taller cup and don’t fill it all the way to the top, as this thing can create a serious vortex if you’re not careful. Overall, it’s been a super handy little tool, and I’m so glad I bought it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
J
Verified Purchase
JMB
Omaha, US
★★★★★ 5
Mixes my protein shake powder
Color: Blue
My husband and I both drink protein shakes daily. We have vortex mixers that work great, but they are plastic and getting old, and really needed to be replaced. In an effort to reduce microplastics in our lives, I am trying to use less plastic mixing cups. I couldn't find anything small enough (other than regular blenders) with glass and metal parts that would work well for us. During my search on here, several frothers showed up. This one caught my eye because of the amount of sales, quick delivery, and of course, decent pricing. Some of the reviews had me a little skeptical, and time will tell regarding the longevity, but so far I am pleased. My protein powders are on the heavy side, but this little frother really gets the job done. Instead of having to use separate mixing cups (saving me on dishwashing), I just use my morning coffee cup (it's big enough) to mix my protein shake in. My husband just uses a regular glass. Neither of us can believe the power this little thing has. We are getting smooth shakes! Here is what I really like about it: It is powerful and mixes well; the frother is metal and not plastic; it cleans extremely easy; after making several shakes the battery has not died; can be used in glasses, coffee cups, even disposable cups (when we buy donut shop coffee); and I love the little stand which takes up barely any counter space. Less plastic, less clean-up, dependable (so far), and small, making it convenient even for travel. I'm really glad I got this, and hope it will last. One last thing, do not turn it on while cleaning under running water. (Yes, you can laugh.)
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Reviewed in the United States on April 20, 2026
D
Verified Purchase
David A.
New York, US
★★★★★ 5
Powerful frother with a long rechargeable battery life
Color: Black
After purchasing three of the battery operated frothers. I finally found this amazing frother. It is very powerful so you do have to be careful not to slosh liquid out of your cup when you’re using it. But I have found it helps if you rotate the frother in a stirring motion while you are using it. That really helps keep the liquid from overflowing out of the cup. It has a sleek design and is rechargeable and the charge less about two weeks.I love this one so much. I take it with me when I travel. I actually left my original one at my mother’s house the last time I visited her and have ordered another one for my house. Highly recommend.
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Reviewed in the United States on May 27, 2026
M
Verified Purchase
MJFinds
Houston, US
★★★★★ 5
Great Power and Creamy Foam
Color: White
This frother is amazing and has really good power. It creates creamy, smooth foam in seconds and works perfectly for iced lattes, cappuccinos, and matcha. I love that it’s rechargeable and lightweight, but still feels strong and high quality. As someone who loves coffee, this has become one of my favorite tools for making café-style drinks at home. Easy to use, easy to clean, and looks beautiful on my coffee station.
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Reviewed in the United States on May 20, 2026
D
Verified Purchase
Desert hiker
Belleville, US
★★★★★ 4
Powerful easy to operate but splashes
Color: Black
Excellent frother--Very powerful and easy to turn on/off with one button. The only downside is it requires a deep container in which to froth. The frothing pitcher I had was too small and milk splashes everywhere. There is no lower speed so it works fast. I am using a deep insulated container now for frothing. Otherwise, very quite, easy to operate no pushing down on the top like other frother wands. I love it as long as I can control it to limit the splashing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026

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