Red chili peppers are a type of fruit from the Capsicum plant, known for their vibrant color and spicy flavor. They are commonly used in various cuisines around the world, adding heat and depth to dishes. The spiciness of red chili peppers is measured using the Scoville scale, which quantifies the concentration of capsaicin, the compound responsible for their heat. These peppers come in various shapes and sizes, ranging from small and slender to large and bell-shaped. In addition to their culinary uses, red chili peppers are rich in vitamins, particularly vitamin C, and antioxidants, making them a healthy addition to meals.