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Green tea is a beverage that has been consumed for centuries. It is one of the most popular beverages in the world. Green tea is a great way to stay healthy and maintain a healthy lifestyle. The benefits of green tea may include weight loss, heart disease prevention, and improved brain function.

Green tea leaves are from Camellia Sinensis, an evergreen shrub native to Asia. It is made by placing the leaves in hot water and allowing them to steep for a few minutes. Drinking green tea may have many health benefits, including improved cognitive function, reduced blood pressure, and weight loss.

Green tea contains epigallocatechin gallate. EGCG is an antioxidant that helps reduce oxidative stress and protect cells from damage. It may also help improve brain function.

EGCG also reduces blood pressure by relaxing blood vessels and reducing the production of hormones that cause blood vessels to constrict. This helps lower blood pressure and reduce the risk of heart disease.

Green tea also contains l-theanine, an amino acid that produces alpha waves in the brain when consumed. Alpha waves are associated with relaxation and reduced stress levels.

Drinking green tea can help reduce stress levels and improve moods as well as promote relaxation. The benefits of green tea are numerous and worth reading about in more detail. Check out takeaways from these great studies.

L-Theanine Consumption to Manage Stress and Anxiety Levels

Stress is a normal response to an abnormal situation. In a stressful situation, the body prepares itself for action by increasing heart rate, blood pressure, breathing rate and releasing hormones like adrenaline and cortisol.

200-400 mg/day of L-theanine may reduce stress and anxiety in people exposed to stressful conditions.

Possible benefits of Green Tea for cognition and mood

Green tea is a beverage consumed for thousands of years. As green tea is experiencing a surge in popularity in Western culture and as millions of people all over the world drink it every day, it is relevant to understand its effects on the human brain. And Numerous claims about the benefits of green tea consumption were stated and investigated when this study reviewed and assessed 21 other studies.

The reviewed study presented evidence that green tea influences psychopathological symptoms (e.g. reduction of anxiety), cognition (e.g. benefits in memory and attention) and brain function (e.g. activation of working memory seen in functional MRI).

The effects of green tea cannot be attributed to a single constituent of the beverage. This is exemplified in the finding that beneficial green tea effects on cognition are observed under the combined influence of both caffeine and l-theanine, whereas separate administration of either substance was found to have a lesser impact.

Green tea extract supplementation on obesity

Green tea may be useful for weight loss. The best results seem to be with doses <500 mg/day and treatment durations <12 weeks.

Effects of green tea on energy expenditure

Green tea has caffeine and catechins. Caffeine increases energy expenditure by increasing sympathetic nervous system activity. Tea catechins increase energy expenditure by increasing fat oxidation.

Safety of green tea beverages and dried green tea extracts as nutritional supplements

Green tea catechins are tolerable for human consumption at doses of up to 300mg/day. This is based on studies of green tea consumption in humans, animal studies, and clinical trials.

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