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Supplements are best used in situations where an individual is unable to get their nutrients from their diet. Perhaps an individual has an allergy or intolerance, for example lactose. They are unable to consume milk products which in turn limits their ability to get sufficient calcium and vitamin D from their diet. In that case, a supplement makes sense.
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." 
An ethanolic extract has been noted to, following oral ingestion of 100mg/kg, suppress nitric oxide secretion from peritoneal macrophages while stimulating phagocytic activity secondary to calcium mobilization, and has been noted to increase macrophage cell count in a concentration dependent manner up to 171.5% at 150mcg/mL with a water extract (and 132.4% for splenocytes). This immunostimulation appears to be related to phosphatidylcholine molecules with saturated fatty acid acyl chains and is thought to underlie an anti-infective effect in mice infected with Staphylococcus aureus when Velvet Antler is ingested at 500mg/kg.
Speed Exercise Recovery - Depends which way you look at, but in general it really depends on why you would need it. If you think this works like synthetic anabolics that helps you recover quicker and train more you are grossly mistaken. But if you have joint issues, or desire the benefits of increased blood flow assisting and conversion in the liver, or need a boost to tissue regeneration than this is smarter thinking on your part.
Well it’s been a little bit since I last talked to you Rick Lentini so I thought I would send you an email just to say hello, fill you in on how things are going out here, and see how everything is on your side of the world. Out here is all the same, its hot during the day, a little chilly at night and dusty all the time. Without breaching OPSEC I can tell you that our mission is going somewhat smooth and morale is at an all time high. We have a lot of moving parts and long days but at the end of every day the guys and myself are ready to attack the gym and get some well deserved rest just so we can wake up and do it all over again. Cpl Trousdale* and myself have made great progress in spreading the good word on IGF and have a lot of Marines, Soldiers, and Airmen, all coming back saying they are surprised with how effective IGF has been in not only their lifting but everyday work and play. OORAH to IGF! As for me, well I am just as pleased as everyone else, but more so that I’ve had the opportunity to communicate with you directly, it’s been a great pleasure. Semper Fidelis.
"I am 60 years old and had polio when I was six months old. Throughout my childhood I had 7 orthopedic surgeries to correct the damage leftover by polio to my left hip, leg and foot. I am battle scarred and a Post Polio Syndrome Survivor. I cannot praise your product enough! Its difficult for me to walk. I normally use a battery powered scooter in malls and airports. The least amount of physical exertion walking and standing creates days of agony afterwards. This past Saturday I walked the mall, went for a movie and dinner. I was active all day and well into the night without tiring. I kept waiting for the intense painful spasms and muscle contractions from my polio atrophied muscles in the left leg and also my hips. Usually late at night is when the pain and spasms are the most intense. But guess what? I am not hurting anywhere near the level I use too. I am not fatigued. I used Antler Farm's Deer Antler Velvet a couple of years ago when traveling to Machu Picchu, Peru. I am still amazed I climbed the ancient Inca Trail unaided with just my cane. Antler Farm's Deer Antler Velvet has improved my quality of life significantly."*
One double-blind study published in the International Journal of Sports Nutrition and Exercise Metabolism tested whether or not deer antler velvet powder or extract had an impact on aerobic performance, endurance and “trainability of muscular strength” compared to a placebo. The subjects were adult males. They were given either a placebo, or deer antler extract or powder supplementation over a 10-week period while undergoing a strength-building routine. The men were measured for muscular strength, endurance, and VO2max before and after using deer antler. These results were determined by measuring circulating levels of testosterone, insulin-like growth factor, erythropoietin, red cell mass, plasma volume, and total blood volume.
“Nutronics Labs Deer Antler Spray is an incredible product. After just a few days of using it, I noticed a significant decrease in the chronic knee arthritis pain I’ve suffered from for many, many years due to dancing and sports injuries. As an added bonus, my ENTIRE body suddenly felt lighter, and generally pain free…it wasn’t until taking the product that I realized most of my joints had been stiff and achey. I had been living in pain for years without even realizing it, having become accustomed to being constantly uncomfortable and sore. I was able to work out harder, recover faster, and noticed significantly increased flexibility and overall mobility. I noticed substantial improvement in muscle tone.
In Asia, velvet antler is dried and sold as slices, or as a powder which may be boiled in water, usually with other herbs and ingredients, and consumed as a medicinal soup. In the traditional commercial trade of Korea and China, whole stick antler velvet is divided into three sections based upon their supposed properties. Although there is an absence of uniform standardization, these sections are known as the wax piece (uppers or tips), the blood piece (middles), and the bone piece (bottoms): the wax piece may be marketed as a growth tonic for children, the blood piece supposedly for joint and bone health, and the bone piece supposedly for calcium deficiency and geriatric needs. Early commercial activity in Russia between the 1930s and 1980s led to the production of an alcohol extract from deer antler velvet marketed under the Russian drug trade name Pantocrin (also pantocrine or pantokrin).