Refer to what to eat to have beneficial to the body. If anything, that eat into. Not useful, but it may be the punishment to the body. No matter what it is: food churot powder. Preservatives, beer, liquor, etc.
Means something to eat and then the body. If anything to eat it. No, but potential benefits to the body. Not that the food is MSG, preservatives, alcohol, and beer.
Mean, what eat what is beneficial to the body. If anything to eat. No benefit but may be harmful to the body. No matter it is food, including MSG, preservatives, alcohol, beer, etc.