Cayenne 40,000 SHU or Capsicum helps regulate blood circulation and helps the cardiovascular system by strengthening the heart, arteries, capillaries, nerves. Traditionally, cayenne has been used to soothe the digestive tract as it is said to stimulate the flow of saliva and stomach fluids. These secretions contain substances that help digest food. Cayenne is also used to relieve constipation, gas, and bloating because it stimulates stomach fluids. Cayenne can be an effective remedy for relieving congestion and coughs. It acts in thin mucus, improving the flow of body fluids. Cayenne has also been used externally to relieve rheumatic pain.