Both a lack of sexual desire and sexual performance issues like erectile dysfunction can be traced back to a low testosterone level. Deer antler velvet can help increase the production of hormones related to sexual functions, including testosterone and its metabolites. In this way, deer antler velvet can help as not only an aphrodisiac but also as a possible treatment for erectile dysfunction.
Currently, IGF-1 is banned by both the World Anti-Doping Agency and the Food and Drug Administration (FDA). However, deer antler spray seems to provide only very small amounts of IGF-1. This is why it’s no longer considered illegal. Insulin-like growth factor is also naturally found in other animal-derived foods, including eggs, milk and red meat. Some experts believe that the amount of IGF-1 obtained from using deer antler products is really not much more than from eating these foods.
Deer antler velvet can act as a natural adaptogen, restoring homeostasis to an unbalanced body by helping where it is needed. Deer antler velvet has an effect on many systems of the body given its complex chemical composition. The active ingredients in deer antler velvet are mostly precursors that are required by the body to process substances that maintain its health and wellbeing.
Velvet antler in the form of deer antler spray has been at the center of multiple controversies with professional sports leagues and famous athletes allegedly using it for injury recovery and performance enhancement purposes. In mid-2011 a National Football League (NFL) player successfully sued a deer antler velvet spray manufacturer for testing positive for methyltestosterone in 2009 for a total amount of 5.4 million US dollars. In August 2011, Major League Baseball (MLB) added deer antler spray to their list of prohibited items because it contains "potentially contaminated nutritional supplements." 
L-Arginine: An amino acid usually found in red meats that is important for the body’s ability to manufacture proteins. L-Arginine has been used to treat conditions like high blood pressure, congestive heart failure, blocked arteries, and erectile dysfunction. L-Arginine is safe for most people, however it should not be taken by women that are pregnant or breastfeeding.