...should never be consumed, although an apple juiced with fresh  vegetables is a real synergistic treat. A Glass Full of Life is a good example of this. (See recipe at Days Menu & Healthy Recipes.)
“Whatsoever you do, do all to the glory of God...Glorify God in your soul and body which are His...Know you not that you are the temple of God, and that the Spirit of God dwells in you? If any man defile the temple of God, him shall God destroy; for the temple of God is holy, which temple you are,” Scripture exhorts us. There are many ways to defile His temple, consuming unhealthfully prepared foods being a major one.
Some Christians prefer to believe that “defile” here refers to the Mosaic law, yet they also hold that we are not under the Law. Then why does 1 Corinthians 3:16, 17 include this warning for non-Jews? The primary definition of the transitive verb defile is “to make unclean or impure: as to corrupt the purity or perfection of.” Sugar and diseases pollute and toxify the body.
And what of parents and pastors providing and giving others these unhealthy faux-foods that destroy the temple of the Holy Spirit, and render helpless, sideline, millions of workers in His last days battle for eternal souls? This is not a personal matter only.
We recently watched a toddler at a church feeding carrying a bottle—not of milk but Coke. It grieved my spirit. “Why do you spend money for that which is not food, and wages on that which does not satisfy?” Isaiah 55:2 asks.  
And have you noticed that the numbers of obese and morbidly obese at these functions are no fewer than at the world’s fetes? Its fare has the same effects on Christians and non-Christians alike—and the Deceiver enemy well knows it whether Christians do or not. Such faux-foods are a chief weapon of his only to “steal, kill, and destroy.” John 10:10
A homosexual recently observed that “Christians condemn my sin but have no problem with the sin of putting unhealthy, non-foods in their bodies,” God’s temple, that make them ill and susceptible to diseases. This fellow called both “sin.”