All peppers contain compounds called capsaicinoids. This is especially true of chili peppers, which derive their spicy heat—as well as extraordinary anti-inflammatory, analgesic, anti-cancer, heart-healthy effects—from very high levels of capsaicinoids, the most common form of which is capsaicin.
Superfood No. 7: Hot Peppers
Benefits of hot peppers:
From headaches to arthritis relief — Capsaicin's health benefits
The Scoville Scale: How hot is your pepper?