The fact that green tea is useful has been known to people since ancient times. For many centuries, this product has been used to treat various diseases. Modern doctors have also proven the benefits of green tea, while pointing out that in some cases it can be harmful.
The benefits of green tea for the body are due to the fact that it contains many different substances - about 500 different chemical elements, more than 400 types of organic compounds and almost all vitamins.
Useful ingredients of green tea:
Alkaloids. Caffeine is the main alkaloid found in green tea. It is he who gives the feeling of cheerfulness. However, in green tea, it is present in a bound form called thein. This substance improves physical and mental performance and increases work capacity, but is generally milder than caffeine.
Minerals. These substances contained in green tea are needed for the human body to live and function normally.
Polyphenols. Green tea contains catechins - a group of components that are related to polyphenols and prevent cardiovascular and oncological diseases.
However, in the following cases, green tea can be harmful:
- people suffering from nervous exhaustion are categorically contraindicated to drink green tea at night;
- pregnant women should also refuse or reduce to a minimum the use of green tea;
- Hypotensive patients should not drink large quantities of green tea, as it often lowers blood pressure;
- green tea is also not recommended for hypertensive patients in acute form;
- Green tea is strictly not recommended for exacerbations of any diseases, especially peptic ulcer disease, as tea increases acidity in the stomach.
In addition, the following recommendations are suitable for absolutely everyone on how to properly consume green tea so as not to harm the body:
- do not drink green tea on an empty stomach, so as not to irritate the gastric mucosa;
- do not drink large amounts of tea before bed, so as not to get insomnia;
- do not alternate the use of green tea and alcohol, as the kidneys suffer from this.
Hopefully, you will take into account the above tips and will only benefit from green tea.
