Question: can peanut butter and jelly sandwiches cause weight gain?
Answer: Not linked to weight gain if eaten in moderation Thus, peanut butter is unlikely to lead to weight gain if eaten in moderation — in other words, if you consume it as part of your daily calorie needs. In fact, most research links intake of peanut butter, peanuts, and other nuts to lower body weight ( 5 , 6 , 7 , 8 ).