Hormones that modulate muscle growth include: 1  growth hormone. 2  testosterone. 3  IGF- 4 1. cortisol.  beta-endorphin, 1  and. parathyroid hormone.
When applied topically, cayenne pepper benefits the skin, too. It alleviates pain caused by shingles, osteoarthritis, rheumatoid arthritis and even as part of a natural remedy for fibromyalgia. The fruit of the capsicum plant contains a chemical called capsaicin.
Ground from dried red chile peppers, cayenne has been used to spice up meals for at least 9,000 years. Cayenne gets its heat from capsaicin, a substance that acts as a pain reliever. Cayenne is a common ingredient in many Cajun and Creole recipes, as well as Asian and Mexican foods.