Is Peanut Butter Healthy? Here’s What to Know, According to Nutritionists Health.com 1/15/2021 Replay Video UP NEXT We all know it and love it: the gooey, creamy (sometimes crunchy), nutty spread that's truly unmatched by rival nut butters (yes, even you almond and cashew). Peanut butter—aka, the perfect companion to chocolate, jelly, bananas, apples, or even just a spoon—is a staple in many meals, snacks, and desserts. It is rich in nutrients and can act as a solid source of protein and fat, but what exactly is in this delicious treat, and what does it do for your body? Here's what you need to know about peanut butter and how healthy it is.