Green tea (Camellia sinensis) is a popular herbal plant with abundant health bene‐ fits, and thus, it has been used as a potent antioxidant for a long time. Based on the available literature, the diversity and the availability of multifunctional compounds in green tea offer its noteworthy potential against many diseases such as liver and heart diseases, inflammatory conditions and different metabolic syndromes. Owing to its bioactive constituents including caffeine, amino acids, l‐theanine, polyphenols/ flavonoids and carbohydrates among other potent molecules, green tea has many pharmacological and physiological effects. The effects of green tea include anti‐oxi‐ dative, anti‐inflammatory, anti‐arthritic, anti‐stress, hypolipidaemic, hypocholester‐ olaemic, skin/collagen protective, hepatoprotective, anti‐diabetic, anti‐microbial, anti‐infective, anti‐parasitic, anti‐cancerous, inhibition of tumorigenesis and angio‐ genesis, anti‐mutagenic, and memory and bone health‐improving activities. Apart