Compare to green extract, Green tea is more effective for many thing. Green tea is a excellent drink for weight loss. It contains epigallocatechin gallate(EGCG), it is a type of antioxidant which helps to increase thermogensis, the rate at which energy in the form of calories is converted into heat by affecting enzymes in the metabolic process . This means consumption of green tea make syou the body burns the alories in the higher rate, this is aiding weight loss.