Cayenne Pepper Tincture: Natural Support for Circulation, Digestion, and Energy. Looking for a natural way to boost circulation, improve digestion, and support your heart health? At Jan’s Apothecary Shop, our Cayenne Pepper Tincture offers a simple, effective solution. Made from organic cayenne peppers, this powerful herbal extract is rich in capsaicin, a natural compound known for its many health benefits.