Nutty Snack for Health: Peanuts Good for Weight Loss, Blood Pressure and Diabetes

Eating peanuts can help in losing weight, and improve glycemic control and blood lipids in those with type 2 diabetes.

Highlights:

Peanuts have a high satiety value and can be helpful in losing weight
Lightly salted peanuts are a low-sodium food and an excellent source of magnesium that help lower blood pressure
Eating peanuts can improve glycemic control and blood lipids in those with type 2 diabetes

Consumption of lightly salted peanuts twice a day before meals can aid in weight loss, lowers blood pressure and improves fasting glucose levels, reveals a new study from the University of South Australia.//

Health Benefits of Peanuts

A Texas Tech University faculty member is helping to show the world that peanuts may be a useful dietary addition in dealing with a variety of health needs.

Health Benefits of Peanuts
When eating peanuts, it is important to be aware of the calories in peanuts. There are many health benefits of peanuts. Hence, consuming them in moderation is important for good health.

‘Foods high in protein and fiber provide a feeling of fullness that can help reduce the urge to snack or overeat.’

The findings were recently published online in the peer-reviewed journal Nutrients and shared by The Peanut Institute.

The two-arm, parallel randomized controlled trial was conducted from January to December 2021 and led by two Professors from the University of South Australia. Kristina Petersen, Assistant Research Professor in Texas Tech’s Department of Nutritional Sciences was a collaborator.

“Our study found that peanuts, which are high in healthy unsaturated fats, can aid weight loss,” Petersen said. “Peanuts are often avoided when people are trying to lose weight because they believe peanuts contain too many calories. However, peanuts have a high satiety value, meaning they keep you feeling fuller longer and that can be helpful for those on a weight loss diet.”

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The study included two groups of Australian adults who were at moderate or high risk for type 2 diabetes. Both groups received weight loss education. The control group of 50 adults was instructed to avoid eating any nuts or nut butter. The peanut-enriched group of 57 adults consumed 35 grams of lightly salted, dry-roasted peanuts twice a day 30 minutes before meals.

After six months, researchers found:

Statistically significant weight loss – Both groups lost a similar amount of weight, despite the peanut-enriched group consuming an extra 400 calories a day from the addition of a total of 70 grams (2.5 ounces) of peanuts to their diet. The peanut-enriched group lost 6.72 kg or 14.78 lbs. while the control group lost 6.60 kg or 14.52 lbs.
Lower blood pressure – Greater systolic blood pressure reductions were seen in the peanut-enriched group than in the control group. The peanut group lowered their systolic blood pressure by 5 mmHg, which is associated with a 10% reduction in risk for major cardiovascular events.
Improved blood sugar levels – Both groups saw improved fasting glucose and insulin control, as well as improved HbA1c, which is a measure of long-term blood sugar control.

It’s widely understood that foods high in protein and fiber deliver a feeling of fullness that can help reduce the urge to snack or overeat. Peanuts are considered a protein powerhouse since a one-ounce serving delivers seven grams of protein, nearly 3 grams of fiber, and 19 vitamins and minerals.

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In this study, the peanut-enriched group was getting approximately an extra 15 grams of protein just from their consumption of peanuts.

Even though the peanuts were lightly salted, participants still saw improved systolic blood pressure compared to those in the control group. Petersen offers a potential explanation for this seemingly contrary result:

Lightly salted peanuts are a low-sodium food, usually containing between 90-100mg per serving.
Peanuts contain one of the highest levels of arginine, an amino acid that helps to dilate blood vessels and lower blood pressure.
Peanuts are an excellent source of magnesium, a mineral known to help regulate blood pressure.

The Australian study also found the peanut-enriched group experienced improved glucose levels, which is consistent with previous research.

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Source-Eurekalert