Cayenne pepper is a type of chili pepper that belongs to the species Capsicum annuum. It is typically bright red and is known for its spicy flavor, which comes from a compound called capsaicin. This pepper is often dried and ground into a fine powder, used as a spice in various cuisines around the world. In addition to its culinary uses, cayenne pepper is also recognized for its potential health benefits. It may help boost metabolism, improve digestion, and provide pain relief when applied topically. However, it should be used in moderation due to its heat level.