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.
All these cayenne powders are great for you. These cayenne pepper powders range from the 35,000 SHU to 160,000 SHUs so while there's a range of colors, there's also a range in heat and the consequent capsaicin as well. The color is not an indicator, though, of capsaicin.