In 1884, Canadian Marcellus Gilmore Edson became the first person to patent peanut butter. It’s been a staple in North American homes for the most of the 131 years since, and it’s easy to understand why.
Peanut butter is both nutritious and delicious. It pairs well with everything from fruits to chocolate and jelly to celery. High in healthy monounsaturated fats and nutrient-rich, it's one of our favorite foods for weight loss. So how exactly does it promote a flat belly, and what else does PB do to your body? We went to the experts, and some of what they told us could surprise you. And to discover even more stomach-slimming tips, check out these 55 Best Ways to Boost Your Metabolism.

1. YOU LOWER YOURDEATH RISK

According to a 2015 Vanderbilt University study, eating nuts every day is linked to a lower total death risk. What gives nuts the ability to deter the reaper? Their density of health-promoting and protective nutrients. “Nuts have a healthy fat profile — including mono- and polyunsaturated fats — are rich in antioxidants, contain nutrients like potassium that help maintain a healthy blood pressure, are rich in fiber, and contain heart-healthy plant phytosterols,” says Jennifer McDaniel MS, RDN, CSSD, LD founder of mcdanielnutrition.com. Monounsaturated and polyunsaturated fatty acids have been shown to decrease LDL cholesterol and triglyceride levels, lowering the risk of metabolic syndrome, heart disease, and type 2 diabetes. To lose dangerous stomach flab and live longer, be sure to check out these 30 Bad Habits That Lead to a Fat Belly.

2. YOU’LL FEEL FULLER

Peanut butter's monounsaturated fat and protein is highly satiating. “Having peanut butter either on toast for breakfast, on a sandwich for lunch, or on an apple for a snack can prevent you from overeating,” says Ilyse Schapiro MS, RD, CDN. "But always consume it in moderation." A good serving size is two tablespoons. You can also creatively work PB into your meals. Try one of these Peanut Butter Recipes for Weight Loss!

3. YOU’LL REDUCE DIABETES RISK

Eating peanut butter may help reduce risk of developing diabetes. Jacobson cites a study published in the Journal of the American Medical Association which found that consuming 1 ounce of nut or peanut butter (about 2 tablespoons) at least five days a week can lower the risk of developing diabetes by almost 30%. You know what else can ward off diabetes? Tea! Learn which brews are best for your wasitline and your health in the The 7-Day Flat-Belly Tea Cleanse! Test panelists lost up 10 to pounds in one week!