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]

For a long time velvet antler is recognized as a powerful tonic that naturally stimulates us with a clean and non-fatiguing energy. Not like coffee or energy drinks. This effect can be subtle, but its long term consumption benefits are profound in that we can more easily overcome and adapt to daily stress. Many types of stress depending on who we are as individuals. How much to take is important and talked about in the dosage section. Having the capability of increased resistance to physical stress is a major use to everyone. 
Deer antler spray products are not cheap. Expect that buying a high-quality product will set you back about $60–$100 per bottle. When taken as directed, each bottle should last you about one month. You don’t need to refrigerate the spray. However, keep it away from very hot temperatures to preserve the chemical composition of the product. Manufacturers claim that you can start experiencing benefits within 3–4 days. However, results definitely differ from one person to the next.
ALL NATURAL AND SAFE FORMULA - ALL Natural and Made With The Highest Quality Ingredients. NO FILLERS Added. NO Nasty SIDE EFFECTS Ever Reported From Our Customers. MANUFACTURED IN THE USA. We take great pride in providing you with the HIGHEST QUALITY supplements that WORK, with Top Athletes from all over that put their trust and faith in our products.
Anti-Aging, Longevity, Combats Senility: No one likes the down-side of aging-the fatigue, senility, confusion, tiredness and a sense that your body is winding down before stopping entirely. A large part of aging is the increase in inflammatory responses our body has to food, exertion and slowed tissue repair. Deer Antler Velvet reduces inflammation, a major cause of senility, pain and the challenges of aging gracefully.
The FDA considers deer antler spray (or deer antler velvet) to be a dietary supplement. This means it doesn’t need to be extensively studied and regulated like medications. For this reason, it can be hard to tell what the actual concentration of active ingredients or IGF-1 is in various supplements. Plus products can differ quite a bit from one brand to another in terms of their purity and effectiveness.
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).