Unsalted natural peanut butter is just roasted peanuts. Salted natural peanut butter is just peanuts and salt. The oil is just from the peanuts, not added.
No mix peanut butter is the same but with palm oil and usually whichever sweeteners are cheapest. Palm oil hardens at room temperature and keeps the peanut oil from separating.
Unsalted natural peanut butter is just roasted peanuts. Salted natural peanut butter is just peanuts and salt. The oil is just from the peanuts, not added.
No mix peanut butter is the same but with palm oil and usually whichever sweeteners are cheapest. Palm oil hardens at room temperature and keeps the peanut oil from separating.