One of the leading companies in the world that manufacturers deer antler spray is called Nutronics Labs. According to information posted on their website, they have been making deer antler supplements for two decades. They state that their deer antler products range in concentration/strength from about 25,000ng (nanograms)–200,000ng of IGF-1. According to studies done by Nutronics Labs, deer antler powders appear to be less concentrated with IGF-1. They also may be poorly absorbed compared to deer antler extract.
All male members of the deer family, including elk, moose and reindeer (caribou), grow a new set of antlers each year’from scratch, in just a matter of months’then shed them at the end of the annual mating season. The ability to regenerate such large appendages each year is unique to this family among mammals and rare in the animal kingdom as a whole (horns, in contrast to antlers, are permanent and cannot be regrown). Understanding how it happens could have significant implications for human medicine, particularly in the fields of wound healing and organ regeneration.
Deer antler velvet has made its way into the spotlight recently thanks to claims that Super Bowl winner Ray Lewis used it in spray form to recover from his October triceps injury. Lewis denied the claim, but had many people wondering if deer antler velvet, a substance that is banned by the NFL and claims to increase strength and boost muscle recovery, really works. The natural supplement, made from the fuzz that covers male deer antlers, is a growth hormone known as IGF-1, which supposedly can repair cartilege damage and increase strength and muscle mass. 
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Some people use deer velvet to increase levels of certain sex hormones (estrogen and testosterone), improve fertility, increase interest in sexual activity (as an aphrodisiac), and treat male sexual performance problems (erectile dysfunction, ED). Women use deer velvet to reduce the dose of estrogen they need in hormone replacement therapy. They also use it for menstrual and menopause problems, vaginal discharges, and uterine bleeding.

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.[22] 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." [23] 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," [9] and "there is no medically valid way to deliver IGF-1 orally or in a spray." [24]
In a study on diabetic mice given topical wounds (scalpel and scissors to create a cricle; diabetes tends to reduce wound healing rates[34] and thus diabetic rats are a good research model for wound closure rates) where either a control cream or one containing 400mcg Velvet Antler (Elk; water soluble extract) noted that there was less angiogenesis and a trend towards less inflammation assocaited with Velvet Antler cream while on day 7 wounds treated with the Antler cream were significantly smaller than control.[35] One 3.2kDa protein has been noted to possess wound healing properties, which are dose-dependent and have been noted to improve wound healing induced by burns at 0.05-0.1% of solution[36] and in vitro at 10-40mcg/mL.[37]
The latest and greatest performance enhancer, if you've been living under a rock, is deer antler velvet. On the surface, it seems like it could make sense. The coating on the antlers of young male deer that contribute to the growth of that part of their body could help athletes. First, the NFL prohibited Oakland Raiders coach Hue Jackson from endorsing it. Now, according to SI.com, Major League Baseball is warning players about using it.
As you know I’ve been a Hollywood stuntman and director for over 30 years and during my stunt man career I have accumulated many injuries along with aches, pains and arthritis. Since I’ve been taking your IGF-1 product, my arthritis is 100% better and I’ve forgotten about my injuries. This product is truly amazing and has worked wonders for me. I also appreciate the sleep miracle as it helps me get a good nights sleep and feel great in the morning.
Tanejeva also tested the effect of deer antler velvet in athletes running three kilometer races. In the experiment, 50 men ran the distance and their completion time was recorded. Deer antler velvet extract was administered to half of the runners and the participants repeated the race.  The group receiving the Pantocrin completed the subsequent race in a faster average time.
Tanejeva also tested the effect of deer antler velvet in athletes running three kilometer races. In the experiment, 50 men ran the distance and their completion time was recorded. Deer antler velvet extract was administered to half of the runners and the participants repeated the race.  The group receiving the Pantocrin completed the subsequent race in a faster average time.
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!!
Deer Antler Velvet Pro has made an impact on the way elite athletes perform by providing them with the extra boost in strength and power they need to achieve their optimal performance. With 750mg of deer antler velvet powder in every serving, you can be sure that you’ll get an increase in your energy levels, lengthen your endurance abilities, and improve your sexual vitality. Read More…

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.
IGF-1 is currently on the World Anti-Doping Agency’s prohibited list due to how it gives athletes an unfair advantage in terms of building strength and muscle mass. (7) However, it’s still legal to use supplements that may provide IGF-1 or similar effects. Most of the studies that show positive results from using deer antler supplements have used high doses. And some have tested the product on animals (mice or rats) rather than humans.
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.
Research has been conducted on the potential use of deer antler velvet for healing of wounds. In Russia (Arapov, 1969), Pantocrin was administered to patients with surgical and internal wounds. The study reported that there were a number of positive effects, including the normalization of arterial pressure, reduction in surgical complications, and becoming active quicker. In tests on rats (Wang, 1985), bone fracture repair was accelerated. A recent study by Bubenik found that antler helped heal epidermal wounds in rats. In another study by Takikawa, et al., researchers reported observing new bone formation following experimental whiplash injuries in rabbits. Pretreatment in rats reduced cell degradation and improved recovery times from extreme temperature and electric shock exposure. 
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