Cayenne is an herb that stimulates circulation and enhances healing capability of the body. The main component of this pepper is the capsaicin that makes the pepper spicier and very hot. Cayenne is used as a natural fat burner and pain killer, to treat ulcers, increase metabolism, improve circulation, boost the immune system and aid digestion. it also known to be used to treat bunions, psoriasis, pleuritis and pericarditis.