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.
Native Americans have used cayenne (Capsicum annuum, frutescens, or red pepper) as both food and medicine for at least 9,000 years. The hot and spicy taste of cayenne pepper is mostly due to a substance known as capsaicin, which helps reduce pain. Cayenne pepper is an important spice, particularly in Cajun and Creole cooking, and in the cuisines of Southeast Asia, China, Southern Italy, and Mexico.