Top 4 L-Theanine Supplements for Anxious Days & Sleepless Nights
Medically Reviewed by Dr. Paris Kidd

Would you be interested in a natural plant substance that can reduce stress and worry while improving mood, focus, memory, and mental alertness? Meet l-theanine!

What Is L-theanine?

L-theanine is a unique amino acid that is not used to make proteins and naturally occurs in green tea. When consumed by humans, it can reduce tension and fosters a restful state without diminishing daytime alertness. It also can promote blood pressure stability against the over-excitability associated with stress.

Working by way of nerve cell receptors for GABA, glutamate, and other neurotransmitters, l-theanine has calming effects while preserving mental focus. It is rapidly absorbed and quickly shifts the brain toward a predominance of EEG alpha waves, which are associated with relaxation.

In clinical research, l-theanine has been found to help improve attention, mood, cognition, and the quality of sleep. As a natural relaxant, l-theanine reduces tension and promotes rest without diminishing alertness.

L-theanine is very well tolerated when taken by mouth and has been found safe in numerous clinical studies with both adults and children.

Benefits of L-theanine Supplements

Among its many benefits, l-theanine:

  • Improves focus and clarity
  • Doesn’t give you the jitters since it’s caffeine-free
  • Has a gentle, relaxing effect without making you sleepy
  • Can improve time to fall asleep, sleep duration, and sleep quality in children and adults

L-theanine supplements are a natural and effective way to promote relaxation, reduce stress, and improve mental focus. This unique amino acid, primarily found in green tea leaves, works by increasing alpha brain wave activity, fostering a state of calm alertness without causing drowsiness. It supports the body’s ability to manage stress, helping to alleviate feelings of anxiousness while improving focus and concentration. Additionally, L-theanine may enhance sleep quality by reducing racing thoughts, making it an ideal supplement for those seeking a peaceful night’s rest. With its gentle, non-habit-forming properties, L-theanine offers a safe and natural alternative for achieving balance and tranquility in daily life.

Scientific Research for L-Theanine’s Calming Benefits: 

In a randomized, double-blind, placebo-controlled research trial¹ investigated the effects of AlphaWave® L-theanine on stress markers in healthy adults. Participants who received 400 mg of L-theanine daily for 28 days exhibited significant decreases in perceived stress levels and improvements in cognitive attention compared to the placebo group. These findings suggest that L-theanine supplementation can effectively alleviate stress and enhance cognitive function in individuals experiencing moderate stress.


Top 4 Calming Supplements with L-Theanine

L-theanine gummies | Calming gummies for adults & kids | BrainMD 1. L-Theanine Gummies

BrainMD’s L-Theanine Gummies, a natural and safe solution to ease stress and boost mental clarity. Each gummy delivers 100 mg of L-theanine, an amino acid known for its ability to promote relaxation without causing drowsiness. By enhancing alpha brain wave activity, these gummies help create a calm and focused state, perfect for managing daily stress or improving concentration. Whether you’re looking to unwind after a hectic day or enhance your mental sharpness, these calming gummies offer an effective, science-backed approach.

Packed with a refreshing grape-lime flavor, these l-theanine gummies are not just effective but also delightful to consume. Made with clean, natural ingredients, they are free from artificial colors, flavors, and hidden sugars. Sweetened with plant-based alternatives like allulose and erythritol, they are suitable for both adults and children aged 8 and up. Their vegan-friendly, pectin-based formula ensures a chewy texture that’s as enjoyable as it is soothing. For a naturally calming experience, simply take one gummy daily—or up to four as needed—and let these L-theanine gummies support your journey to peace and focus.

Everyday Stress Relief Supplements with L-Theanine | BrainMD

2. Everyday Stress Relief

To stay healthy in today’s fast-paced world, you need to be resilient to stress. Everyday Stress Relief replenishes your body’s levels of magnesium and taurine, which can help you cope during times of excessive stress. In addition to these nutrients, the formula supplies l-theanine and high-quality standardized herbal extracts clinically proven to help support your body’s response to stress on multiple levels.

Many anti-stress supplements can make you sleepy, but not Everyday Stress Relief. It’s safe, non-sedating, and non-habit forming. Everyday Stress Relief helps you cope with everyday challenges so you can enjoy the good things in your life.

 

GABA Supplements for Calming Stress & Anxiety | BrainMD 3. GABA Calming Support

GABA Calming Support is a unique combination of clinically proven ingredients that can help you cope with restlessness and irritability. It contains pure GABA (gamma-aminobutyric acid), chemically identical to the substance your brain makes as its main calming neurotransmitter, along with l-theanine and other ingredients that help your nerve cells respond better to GABA.

This formula can calm your racing thoughts to help prepare you for sleep. It doesn’t cause drowsiness, so it’s safe to take during the day. GABA Calming Support can help facilitate the production of calming brain waves, correct stress-causing nutritional deficiencies, and promote relaxation.

 

L-Theanine Supplements for Sleep | Put Me to Sleep by BrainMD  4. Put Me To Sleep

Put Me To Sleep is based on the most recent nutraceutical research on sleep onset, duration, and quality. This highly effective sleep supplement includes six potent ingredients that work in concert to help relax the mind and body in preparation for sleep. These ingredients have a broad range of neurotransmitter actions in the brain and are carefully combined to promote recovery from daily stress, calm and relaxation, and fully restful sleep.

Put Me To Sleep is recommended for anyone who has difficulties falling or staying asleep. With a robust combination of ingredients – including GABA, melatonin, and l-theanine – its effects should be felt in just minutes…1 hour maximum.

Utilizing the unique benefits of l-theanine, these supplements can help improve energy, mood, calm, cognition, and quality of sleep. With so many positive indications for your health and well-being, it’s a good idea to start taking supplements with l-theanine today.

At BrainMD, we’re dedicated to providing the highest purity nutrients to improve your physical health and overall well-being. For more information about our full list of brain healthy supplements, please visit us at BrainMD.

*These statements have not been evaluated by the FDA. This content is for informational purposes only. It is not meant to substitute for medical or healthcare advice from a physician, nor is it intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before beginning a new health regimen.

References:

¹White, D. J., de Klerk, S., Woods, W., Gondalia, S., & Scholey, A. (2016). Anti-stress, cognitive, and mood effects of L-theanine: A double-blind, placebo-controlled, crossover study. Nutritional Neuroscience, 19(11), 605–615. https://doi.org/10.1080/1028415X.2016.1183797

 

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