5 Surprising Side Effects Of Eating Peanut Butter

3. Higher Cholesterol Levels

It's not a sneaky secret anymore for peanut butter brands to use partially hydrogenated oil, a source of trans fat that can raise your cholesterol levels. As this ingredient is banned by the authority, some of them turn to fully hydrogenated oils, which are still highly processed and can alter the structure of healthy components of the peanut plant.