Depends a bit by what you mean by contain. Are maggots deliberately added to peanut butter - no.
Is it entirely certain that there isn't a single maggot somewhere in all the peanuts that gets turned into butter - no.
Is there any food item that is industrially prepared from natural sources which carry a 100% guarantee of not having any trace of insects in them - no.
Is it enough to mean anything - no.
Mercy! What kind of urban myth is this? No, they are not digested by maggots.
Peanut butter is not an oil, but it does contain oil. It contains peanut oil, of course.
Yes. They contain peanut butter.
Many commercial brands of peanut butter do not have sulfate in them. In reduced fat peanut butter Copper Sulfate is a common ingredient.
Peanut butter that has been properly processed and handled would not contain Salmonella.
YES
No, Kit-Kats do not contain peanut butter, or any other form of nuts.
Salmonella...
Yes, but it does contain more unsaturated fat.
2 tablespoons (1 serving) of organic peanut butter contain about 200 calories.
Yes, but most brands of peanut butter will not freeze completely solid because of the oils they contain.
There are different types of peanut butter. Natural peanut butter is considered a good source of protein and healthy oils/fats. The commercial brands of peanut butter have added sugars and fats, which make them less healthy.