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]
We know about growth factors, such as IGF-1, which are responsible for promoting healthy hormones. It is the synergy of all the constituents that help these growth factors work better. And this is why our deer antler velvet is so awesome! If you go read other labels and check the magic "extract-ratios" and micro-nanogram amounts, you'll discover something interesting:

My name is William Gucciardo. I am fifty-four years old and have been exercising and taking nutritional supplementation for many years. I was recently introduced to IGF-1, and have been taking it for three weeks. Although I have been working out six days a week for the past several years, I have recently noticed an increase in upper body muscle tone and overall strength and endurance. I have also noticed that minor stiffness that I daily experienced upon arising in the morning is gone. My body feels stronger with an overall feeling of well being. I can only attribute these changes to the addition of IGF-1 to my supplementation program, as this is the only change that I have recently made. I do not know what further benefits I will receive from taking IGF-1 daily. If you are willing to try something new with the possibility of improving your health and well being, I would recommend trying this product.
In another randomized, double blind, placebo controlled experiment (Broeder, 2004), 38 males, all of whom were experienced weightlifters, entered a 10 week strength training program. Those who took deer antler velvet experienced an increase in peak torque and average power relative to the placebo group. They also experienced unexpected improvements in aerobic performance.
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. 
A systemic review on human interventions[25] makes note of a study conducted on patients of osteoarthritis (Edelman et al. 2000; cannot be located online) which found improvements in joint pain symptoms relative to baseline in the Velvet Antler group and not placebo, although a lack of information on blinding and randomization precludes results that can be drawn from this study. 
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