Green tea is one of the most commonly consumed teas in the world and its health benefits are significant. Polyphenols* are the beneficial compounds found in green tea. There are about 200 polyphenol-containing compounds abound in green tea which includes, theogallin, and theanine, among others. The major catechin found in green tea is Epigallocatechin gallate (EGCG). EGCG is a plant compound that is also known as catechin and is also found in other varieties of tea, such as black, white, and oolong. But this phytochemical is most abundantly found in green tea. EGCG serves as a potent antioxidant that helps protect cells against free radical damage.
Green tea extract has been credited with a range of health benefits — from promoting heart, liver, and brain health to improving your skin and even reducing the risk of cancer. Some studies have shown that green tea aids cognitive function, has anti-inflammatory properties, and helps protect against sun damage.
Despite these benefits, it’s important to know that green tea extract can also be toxic when taken in excess. People with diabetes or those taking certain medications should speak with a healthcare professional before taking any amount of green tea extract.
The recommended dose is 250–500 mg a day, and it’s best taken with food.
*Research more on the Risks and safety of Polyphenol consumption here> https://pubmed.ncbi.nlm.nih.gov/15640498/