GNC's Maximum Greens are affordable, Ultra Mega greens with natural ingredients. It is a dietary supplement. You need greens everyday to stay and be healthy and active as you possibly can. This green food product supports your Cardiovascular Health. These greens give your immune system a boast and pack a powerful punch. This product also offers Antioxidant support. You should feel lifted and deliver a more regular bowel movement. This product is not a laxative, but will aid in delivering a less strained and productive bowel movement with regular use taken along with good food and with balanced meals. This product also aids in digestive support. If there is a downside, it would be to those who normally have trouble swallowing large pills. These supplements are in the form of thick, oblong, dark green tablets. Other than that, you can't lose with the stuff that is used. So try some of these supplements today; you will be glad you did.