Most commercially made peanut butter is skinned and contains added sugars and fats. It can easily make you gain weight if eaten in excess. Home-made or brands made with wholsome ingredients like roasted and ground peanuts and little-to-no salt.
Meridian Peanut Butter (100% whole skin-on Roasted Peanuts; no added sugar, salt, or oil)
Whole Earth Peanut Butter (Roasted peanuts 97%, sustainable palm oil, sea salt; no added sugar)