For those of you who do not want to drink green tea but yet want to benefit from the advantages of green tea, they can opt for the Green Tea Leaf Extract. Having the extract of green tea leaf will offer you the same benefits, which you would have got by drinking green tea. One of the primary reasons, of having the extract of green tea leaf is to get the vitamins and supplements, which are not available or found in other substances. The main element in green tea is EGCG, which is an antioxidant and has numerous health benefits. Green tea is also rich in vitamin C. the combination of EGCG and vitamin C is the major reason, to have green tea as leaf extract.