Pistachios are small, nutty-tasting seeds that come in a variety of colors, including green, red, purple, and black. They are a popular snack food and are used to add flavor and texture to dishes. They have a creamy, buttery texture and a sweet, nutty taste. They are high in protein and fiber, and contain healthy fats and antioxidants. They are a great source of vitamins and minerals, such as potassium, calcium, and iron. Pistachios are also known for their anti-inflammatory properties, which may help reduce inflammation in the body.