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L-theanine: A Natural Supplement for Mental Serenity

By Nicolas Martineau B.Sc.

L-theanine is a non-essential amino acid primarily found in tea leaves, especially in green tea (Camellia sinensis). Known for its relaxing properties and mental health benefits, L-theanine is gaining popularity as a natural supplement promoting relaxation and concentration.

Physical and Chemical Properties:

Chemically, L-theanine is a derivative of glutamic acid and ethylamine. It is a water-soluble compound that can cross the blood-brain barrier, reaching the brain and exerting its beneficial effects.

Natural Sources of L-theanine:

L-theanine is mainly present in tea leaves, particularly in green tea. It is also found in smaller quantities in black tea and oolong tea. Outside of tea, small amounts of L-theanine may be present in certain mushrooms.

Benefits of L-theanine for Mental Health:

Stress Reduction: L-theanine is renowned for its role in reducing stress and anxiety. It acts by increasing the production of certain neurotransmitters, including dopamine and serotonin, which are linked to mood and stress regulation.

Improved Concentration: L-theanine can promote mental focus by inducing a state of relaxation without causing drowsiness. It is often paired with caffeine, naturally present in tea, to enhance alertness and cognitive performance.

Support for Sleep: Some research suggests that L-theanine could promote better sleep quality by enhancing relaxation and reducing anxiety before bedtime.

Prevalence of L-theanine Deficiencies:

Unlike many nutrients, L-theanine is not classified as essential because the body can produce it in limited quantities. However, supplementation can be beneficial, especially for those seeking to improve their mental well-being.

Symptoms of L-theanine Imbalance:

Since L-theanine is not classified as essential, there are no specific symptoms associated with a deficiency. However, some individuals may experience mental imbalance or increased stress, which may be alleviated by L-theanine supplementation.

Recommended Amounts of L-theanine:

Individual L-theanine needs may vary, and there is no established daily recommended dose. However, Health Canada recommends a daily dose of 200 to 250 mg for adults using natural supplements.

Best Sources of L-theanine Supplements:

Several L-theanine supplements are available, but which one to choose? L-theanine supplements come in various forms, including tablets, capsules, or powder. As there is stricter regulation on the manufacturing of natural supplements in Canada, it is advisable to prioritize a supplement made in Canada with a Natural Product Number (NPN). Additionally, prefer supplements that have been analyzed in an external laboratory to ensure unbiased analysis results. Finally, prioritize a local and reputable supplement brand.

Land Art's New L-Theanine!

As stress is omnipresent in our daily lives, and as L-theanine can play a crucial role in stress management, Land Art now offers L-theanine in 250mg capsules. This maximum dose allowed by Health Canada is non-drowsy, meaning you can take it at any time during your day. Easy to swallow and available in a 180-capsule jar, Land Art's L-theanine can accompany you wherever you are. Whether for better stress management, improved concentration, or as support for relaxation, Land Art's L-theanine is a versatile and natural choice!

Side Effects and Precautions:

L-theanine is generally considered safe when consumed in recommended doses. However, some people may experience mild side effects such as headaches or gastrointestinal disturbances. It is always recommended to start with lower doses and observe individual reactions.

In conclusion, L-theanine offers a natural approach to promote mental serenity and concentration. Whether through tea beverages or dietary supplements, its use can be a natural strategy to support mental health in an increasingly stressful world.






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