Green tea is one of the healthiest beverages. It is loaded with antioxidants and nutrients that have powerful effects on the body. The best known substance in green tea is caffeine and you find that in an optimum proportion. A cup of green tea contains much less caffeine than a cup of coffee but it's still enough to have an effect on your weight loss process. Several studies show that green tea leads to decreases in body fat, especially in the abdominal area. Green tea is better than taking any supplements for weight loss. Know other lesser known facts about it.