You can also choose from weight loss pills that are available over the counter. These products are usually made with herbs and vitamins that help increase your metabolism. They also contain Hoodia Gordonii that will speed up your body's natural weight loss process. Once you have used these pills you should notice an immediate weight loss. They do however have side effects that include stomach cramps and water retention. Green tea is another great way to lose weight. It contains antioxidants that help the body function more effectively and also increase your metabolism. The antioxidants found in the tea to combat free radicals that can cause diseases and damage our healthy cells. They also help boost our energy levels and slow down the signs of aging.