Physical Vigor and Stamina: You don’t have to be an athlete to appreciate more energy and stamina. You may have long hours at the office, at home with kids, or at school, in training or partying. Without the energy you need to get through the day, nothing is fun-even the fun stuff. Unlike caffeine or energy boosting drinks which give you a temporary boost, Deer Antler Velvet changes you from the inside out, making increased vigor and stamina a part of your body’s natural response to the demands you place on it.
It is difficult to analyze the quality of Deer Antler Velvet Spray’s ingredients due to their largely untested nature. Deer velvet contains glucosamine and chondroitin, two key chemicals in the body’s joint health processes that our panel of experts highly recommends. It may also increase estrogen production in the body, which can be both good and bad. In some that may be helpful for correcting existing hormonal imbalances, for others it may create them.
On January 30, 2013, Vijay Singh professional PGA Tour golfer was caught unaware and openly admitted to the personal use of deer antler spray which contained a banned substance at the time. A week later the World Anti-Doping Agency (WADA) lifted the ban on deer antler spray, but with urgency, "Deer Antler Velvet Spray may contain IGF-1 and WADA recommends therefore that athletes be extremely vigilant with this supplement because it could lead to a positive test."  The consensus opinion of leading endocrinologists concerning any purported claims and benefits "is simply that there is far too little of the substance in even the purest forms of the spray to make any difference,"  and "there is no medically valid way to deliver IGF-1 orally or in a spray." 
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.