We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission Here’s our process.
Medical News Today only shows you brands and products that we stand behind.Our team thoroughly researches and evaluates the recommendations we make on our site. To establish that the product manufacturers addressed safety and efficacy standards, we:
- Evaluate ingredients and composition: Do they have the potential to cause harm?
- Fact-check all health claims: Do they align with the current body of scientific evidence?
- Assess the brand: Does it operate with integrity and adhere to industry best practices?
Pistachios are a type of tree nut with numerous health benefits. Pistachios are an excellent source of protein, antioxidants, and fiber.
Here are 10 evidence-based benefits of eating pistachio nuts.
According to science, pistachios are:
1. Rich in nutrients
Pistachios contain many essential nutrients.
According to the United States Department of Agriculture (USDA), 1 ounce (oz), or approximately 49 kernels of unroasted, unsalted pistachios
Protein: 5.7 grams (g)
Fat: 12.8 g
Carbohydrates: 7.7 g
Fiber: 3.0 g
Sugars: 2.2 g
Magnesium: 34.3 milligrams (mg)
Potassium: 289.0 mg
Phosphorus: 139 mg
Thiamin: 0.25 mg
Vitamin B6: 0.5 mg
A serving of pistachios provides about 37% of the recommended daily vitamin B6 intake or
Vitamin B6 plays a vital role in the body, particularly in relation to protein metabolism and cognitive development.
2. Low in calories
Pistachios are one of the lowest-calorie nuts, which means people can enjoy the health benefits of nuts while more easily staying within their daily calorie limits.
That said, nuts are generally higher in calories compared to some other foods.
Learn more about daily calorie intake here.
3. Packed with antioxidants
Nuts and seeds contain several antioxidant compounds, but pistachios may have higher levels of some antioxidants than other nuts.
4. Good for eye health
Pistachios are a
According to the American Optometric Association, lutein and zeaxanthin reduce the chances of developing chronic eye conditions, such as cataracts. They can also help to protect against age-related macular degeneration (AMD).
AMD and cataracts are among the leading
Eating a healthful diet, including pistachios, is a promising way to help prevent these eye diseases from developing.
5. Beneficial for gut health
All nuts are rich in fiber, which encourages a healthy digestive system by moving food through the gut and preventing constipation.
A type of fiber called prebiotics may also feed the good bacteria in the gut. Feeding the good bacteria helps them multiply and “crowd out” harmful bacteria.
Learn the difference between prebiotics and probiotics here.
6. High in protein for vegans and vegetarians
Pistachios contribute to a person’s daily protein needs, at almost
Because pistachios have low caloric values and high fiber and protein content, they may benefit people who wish to manage their weight.
8. Important for heart health
9. Good for blood sugar balance
Pistachios have a
Research supports the suggestion that eating pistachios can help to reduce the risks associated with diabetes.
10. Reduce colon cancer risk
Pistachios may reduce the risk of some cancers, such as colon cancer, due to their high fiber content.
Scientists demonstrated this in
A 2020 study suggests that they are. Researchers found that a group of people with overweight or obesity who ate a serving of pistachios every day had a lower body mass index and waist circumference than those who did not eat pistachios.
They also found that the group who ate pistachios developed healthy shifts in their food choices, increasing dietary fiber overall and decreasing their high sugar and high fat foods consumption.
However, it is important to note that the researchers believed these results were because pistachio consumption meant increased dietary fiber intake and a decreased consumption of sweets.
Although pistachios are high in fat and calories, the fat they contain is monounsaturated fat. This type of fat can help lower low-density lipoproteins (LDL), or bad cholesterol and reduce the risk of stroke.
One way to moderate pistachio intake is to buy shelled versions. This can help slow down consumption, allowing the person to realize when they are full and reducing the risk of eating too much.
Learn more about the different types of fat here.
Pistachios are a fiber-rich food source, which means that they help to ease constipation rather than cause it. However, people with nut intolerances or allergies may experience digestive problems, such as diarrhea, gas, bloating, or stomach cramps.
People who suspect they have a nut intolerance should speak to a healthcare professional before introducing nuts to their diet.
Pistachios release energy slowly, which makes them the ideal snack to have before working out. The protein they contain can also help the muscles to recover after exercise.
Pistachios are also high in vitamin E and other antioxidants, which can help to provide some protection against certain forms of cancer.
However, the development of such treatment is in its early stages, and there is no evidence to suggest that eating pistachios can help reduce the risk of these conditions or treat the symptoms.
Pistachios are a very nutritious food. They offer several health benefits, especially for the heart, gut, and waistline.
Regularly eating pistachios may help improve health and wellbeing. But people should stick to plain, unsalted pistachio nuts in their shells and avoid eating more than 1 oz a day.
Pistachios are available for purchase in most grocery stores and online.