Fox News states that while peanut butter is nutritious, as it is "..a great source of unsaturated fats and vegetarian protein", "..moderation is the rule of thumb when it comes to enjoying peanut butter because some brands can be high in calories."[REF] .
For people with a [[peanut allergy]], peanut butter can cause a variety of possible [[allergic reaction|allergic reactions,]] including life-threatening [[anaphylaxis]] [REF].