The growing market has bred plenty of competition. A company called Now Foods is now making deer antler velvet lozenges. GNC just started selling deer antler velvet capsules called New Vigor from a company called Vitalast and Amazon.com has more than 30 products will deer antler velvet in it including the raw powder from New Zealand, where the most coveted deer velvet is harvested.
It is difficult to analyze the quality of Deer Antler Velvet Spray’s ingredients due to their largely untested nature. Deer velvet contains glucosamine and chondroitin, two key chemicals in the body’s joint health processes that our panel of experts highly recommends. It may also increase estrogen production in the body, which can be both good and bad. In some that may be helpful for correcting existing hormonal imbalances, for others it may create them.
I know of no scientific evidence to support any of the marketing claims made for these supplements. I discussed your question with Tieraona Low Dog, M.D., an internationally recognized expert in the fields of integrative medicine, dietary supplements and women’s health, and an authority on botanical medicine. She explains that IGF-1 in the velvet promotes rapid growth of the antler. Dr. Low Dog notes that the two studies examining the effects of deer antler velvet supplements taken by athletes have yielded conflicting results. One showed some improvements in endurance and knee strength in weightlifters, but the other found no differences in rowers after 10 weeks of supplementation.
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).