Red chili powder is a spice made from ground, dried red chilies. It is commonly used in various cuisines around the world to add heat and flavor to dishes. The level of spiciness can vary depending on the type of chili used, ranging from mild to very hot. In addition to its flavor, red chili powder contains vitamins and antioxidants, which can provide health benefits. It is often used in Indian cuisine, Mexican dishes, and many other culinary traditions, making it a versatile ingredient in cooking.