For example, you would have to drink approximately 50 liters of an aspartame-sweetened beverage to reach the toxicity threshold for phenalanine. It's true that some people are sensitive to aspartame and can experience mild symptoms such as headaches. While uncomfortable, these side-effects are by no means serious. In final analysis, you don't need to fear aspartame. If you experience symptoms, simply discontinue use of products that contain this ingredient.
Green tea is an excellent health supplement.
It also can help to improve immune function. With all these benefits, green tea should be your beverage of choice.