Unfortunately, the potential problems with IGF would seem to negate any of these theoretical benefits.  It has been shown that improper use of hormones such as dehydroepiandrosterone (DHEA), androstenedione, and human growth hormone may increase the risk for development of prostate cancer or promote the growth of existing prostate cancer by raising IGF-1 levels.  Therefore, men who are taking supplements with IGF in it (or those that raise IGF levels) could theoretically be putting themselves at an increased risk for prostate cancer.  Again, it hasn’t been rigorously studied so it’s impossible to know for sure, but if you have any risk factors for prostate cancer, it’s probably best to avoid taking this supplement.  

Deer antler spray — a supplement commonly used in the fitness and sports industries that has a long history of use in Eastern medicine — is pretty much as strange as it sounds. Derived from the tissue found inside deer antlers, it’s reported to work by providing IGF-1 (insulin-like growth factor), a natural growth hormone found inside the human body that has potential to increase muscle mass and support recovery from injuries.
Deer Antler Velvet Spray has been tested and results show that this is safe. It doesn’t contain the controversial Human Growth Hormone, but it offers the same benefits. This doesn’t need a prescription. However, the site states that some have experienced mild stomach pains. While this is considered a supplement, doctors still advise you to go in for consultation because this product is surrounded with controversy and isn’t well accepted by the medical community.
Aphrodisiac* - For a long time the alcohol extract has been used to strengthen reproductive organ function, but modern studies of deer antler velvet results are inconclusive concerning women and from men. Although some people do report benefit in intimacy, this may be because of the performance, blood circulation and stress adaptation effects.* So in other words, if your supplement doesn't have the alcohol extract in it don't expect the benefits of supplements made with it.*

Deer antler products contain mostly amino acids (that form proteins) along with growth factors, which are poly-peptide bonded amino acid chains. (4) The most abundant growth factor is IGF-1. However, it isn’t a factor found in these products. Depending on the specific brand, deer antler spray/powder/capsules may contain amino acids and growth factors including: (5)
Insulin-like Growth Factor 1 (IGF-1) is an anabolic molecule which appears to induce growth of the antlers themselves,[31][32] although testosterone may be the primary growth factor.[33] Currently, there is no evidence that serum IGF-1 is increased following Velvet Antler ingestion with one study using 1.5g of Velvet Antler for 11 weeks failing to increase serum IGF-1.[26]
New Zealand research reports that although the mechanism is unknown, deer antler velvet shows strong anti-inflammatory effects. Recent clinical tests suggest oral ingestion of glycosaminoglycan-peptide complex, or components such as chondroitin sulfate and glucosamine sulfate — both found in deer antler velvet — may help stimulate cartilage repair.
Bones are connected by joints, which allow us to move with ease. Joint damage can cause pain preventing you from doing the things you once loved. Many conditions lead to joint pain from aging to an untreated sports injury. A quality joint product may help repair existing tissue damage and also promote stronger joints, less susceptible to future degeneration.
Mental Capacity and Alertness: If you’re tired of feeling like you’re experiencing life through a fog, Deer Antler Velvet can help fade the fog and give you the clarity of a good night’s sleep combined with a week’s vacation. You come at things sharp and focused. Instead of struggling to remember things words, decisions, insights and just your general alertness are sharpened.
Deer Antler Velvet Extract: This moss-like substance has been used in Chinese medicine for years and is thought to contain a number of compounds that can help with tissue regeneration and repair. The antlers are removed safely and without harm to the animal, and the velvet is thought to have applications for improving circulation, strengthening bone density, and improving male libido. There is very little clinical data regarding the effects of deer velvet, and not much is known about its side effects. Some conditions that may potentially be related to deer antler velvet include:
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.
Deer antler velvet's effects on cell growth and repair have been investigated in several areas. Deer antler velvet may be a natural source of hormones for those seeking aid to muscle growth and development. Research has identified various growth factors in deer antler velvet including IGF-1 (insulin–like Growth Factor-1), IGF-2 (insulin–like Growth Factor-2), and EGF (Epidermal Growth Factor).
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