For the long answer about the safety of consuming soy, John Robbins wrote a fabulous, well-balanced article here.
For the short answer, I say that soy is neither an incredible health panacea nor is it dangerous. All food, even broccoli, can be bad for you if that is all you eat and there is no variety in your diet.
The only issue I’ve ever had with Complete is when a person is downright allergic to soy. Other than that, Juice Plus+ Complete should be incorporated without hesitation into a person’s health regimen. All soy used in Complete is non GMO.