L-Theanine
γ-Glutamylethylamide
L-Theanine is an amino acid commonly found in green tea leaves, known for its relaxing and calming effects without causing drowsiness. It works by promoting the production of alpha brain waves, which are associated with a state of relaxed alertness. L-Theanine also enhances the levels of neurotransmitters such as serotonin, dopamine, and GABA, which help regulate mood, sleep, and stress.
In addition to its calming effects, L-Theanine has been shown to improve cognitive function, enhance focus, and reduce the negative effects of stress. This makes it a popular ingredient in supplements aimed at promoting mental clarity and reducing anxiety. By creating a state of relaxed alertness, L-Theanine helps individuals manage stress more effectively, which is crucial for overall well-being.
Why We Use it
L-Theanine is included in VulcanSlim's formula for its ability to reduce stress and promote relaxation, which are critical for maintaining healthy testosterone levels in men over 40. Chronic stress and poor sleep are associated with lower testosterone levels, and L-Theanine's stress-reducing and sleep-enhancing properties help mitigate these effects. By promoting a calm but alert mental state, L-Theanine helps users manage stress and improve sleep quality, supporting overall hormonal balance.
Moreover, L-Theanine's cognitive benefits enhance mental clarity and focus, which are essential for maintaining productivity and quality of life as men age. By reducing stress and improving cognitive function, L-Theanine contributes to a more comprehensive approach to managing the challenges of andropause.
Key Benefits
- Reduces stress*
- Enhances relaxation*
- Improves sleep quality*
L-Theanine is commonly found in green tea and is responsible for its calming effects without causing drowsiness.
Science-Backed Evidence
| Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study. 2021. | Central Research Institute, ITO EN, LTD., Japan. | |
| Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial. 2019. | Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Japan. | |
| L-Theanine Relieves Positive, Activation, and Anxiety Symptoms in Patients With Schizophrenia and Schizoaffective Disorder: An 8-Week, Randomized, Double-Blind, Placebo-Controlled, 2-Center Study. 2010. | Be’ er-Sheva Mental Health Center, Israel. | |
| The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. 2010. | Sensation, Perception, and Behaviour, Unilever R&D, Vlaardingen Netherlands. |
Ready to Feel the Difference?
Now that you’ve learned about the power of these ingredients, it’s time to experience the benefits for yourself.
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