Green tea extract is an active ingredient extracted from green tea leaves, mainly including tea polyphenols (catechins), caffeine, aromatic oils, moisture, minerals, pigments, carbohydrates, proteins, amino acids, vitamins.Tea polyphenols have anti-oxidation, scavenging free radicals, etc., and significantly reduce the serum total cholesterol, triglyceride, low-density lipoprotein cholesterol content of hyperlipidemia, and at the same time have the effect of restoring and protecting vascular endothelial function. The hypolipidemic effect of tea polyphenols is also one of the main reasons why tea can make obese people lose weight without rebounding.