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.
Many of the health benefits of cayenne pepper are attributed to the ingredient capsaicin. The pepper contains vitamin C, vitamin B6, vitamin E, potassium, manganese, and flavonoids. Open wounds or breaks in the skin should not be exposed to capsaicin.