Thai bird's eye chili contains capsaicin, a compound responsible for its spiciness. Capsaicin has been shown to increase metabolism, enhance fat burning, and promote weight loss. It can also help reduce appetite and curb cravings. saicin found in Thai bird's eye chili has analgesic properties and can provide pain relief. It is often used topically in creams or ointments to alleviate muscle and joint pain, as well as nerve pain associated with conditions like arthritis and neuropathy.