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." 
S.W.A.T.S. Fitness and Performance was a dietary supplement company that sold deer antler spray and other products. The owners began distributing their products to NCAA and NFL athletes in 2008. The controversy initially started in March 30, 2009 when Alabama athletic officials sent a cease-and-desist letter to the company's owner that stated: "Refrain from using current student-athletes to endorse products. Refrain from contacting current student-athletes. Refrain from giving or selling products to current student-athletes."  The letter was then sent again in 2012.
A study by Chen found that deer antler velvet inhibits monoamine oxidase activity in the liver and brain tissues of aged mice. Monoamine-oxidase inhibitors prevent breakdown of monoamine neurotransmitters such as norepinephrine and serotonin. Antler apparently allows these vital neurotransmitters to be available longer to the brain structure, enhancing mood.
Deer antler spray products are not cheap. Expect that buying a high-quality product will set you back about $60–$100 per bottle. When taken as directed, each bottle should last you about one month. You don’t need to refrigerate the spray. However, keep it away from very hot temperatures to preserve the chemical composition of the product. Manufacturers claim that you can start experiencing benefits within 3–4 days. However, results definitely differ from one person to the next.
I recently ordered IGF-1 Plus Maximum in order to gain results from my physical therapy workouts. Since using this product, I am not only able to do harder workouts, but I also have increased muscle mass. Besides these benefits I have experienced improvement in my wound healing! Areas that repeatedly break down are showing increased healing like never before. My hands, which are severely scarred, have more flexibility. I look forward to the many benefits that may come from using IGF-1. Thank you Rick Lentini!
There is some evidence that deer antler spray may work for improving performance and physique. However, it seems that an individual needs to take very high doses in order for these benefits to occur. In studies where the supplement was effective, injections of very concentrated extracts were used. Injections may be the most effective, and likely the only, way that deer antler works. This is because IGF-1 is mostly destroyed when it passes through the digestive system. Because of this, swallowing deer antler supplements would practically be useless.
A study (Yudin and Dobyrakov, 1974) on the effect of deer antler velvet extract on the static load-bearing capacity of subjects found that those who took the extract increased the time of work by 2-4 seconds compared to the control group. In tests of dynamic work using a veloergometer, the subjects who took the extract increased the work output 4 to 5 times more than the control group.
I took red mountain deer velvet and it really messed my stomach up. I now have cramps and bloating all the time plus it feels like my stomach shrank…I can’t eat like I used to. It was a big mistake to take that stuff. Do you know of any way I can get my stomach back to normal??? Can you recommend someone who knows a lot about deer velvet?? I have been suffering terribly since I took that junk…it’s been about 2 years now!!!! My stomach has never been the same since I took that poison!!