In poor habitat, a buck’s bone density will decrease as his body will take the calcium and put it toward hardening antlers. Abnormalities in antlers can be due to injuries to the velvet or genetics. Velvet allows oxygen rich blood to reach growing antlers, which start as cartilage and are calcified into bone. Immature antlers are covered in skin with a short, dense fur called velvet. That said, "we have to be mindful that professional athletes are not typical athletes," Popovitz said, noting some are known for taking extreme measures.įor your average weekend warrior, he said, "it's a little too soon to be rushing to use it.Image Details A white-tailed deer buck rubbing antlers on a tree. It should not be used without a doctor's care, especially as a performance enhancer.īut as far as linebacker Lewis goes, since he's "looking to improve his recovery, I don't think he's necessarily doing anything wrong," noted Popovitz. IGF-1 has shown promise for helping kids with stunted growth or people with dwarfism, as well as for healing cartilage or tendon injuries. Then, the substance increases the number of new cells that accumulate on that base, which get busy healing the injury. First, the hormone aids in building up a matrix or base-essentially a building block of protein-that's needed for cells to grow. IGF-1 affects how the body repairs itself. "What often happens is these supplement companies grab these promising factors, jump on them, and market them before the entire medical community has the ability to know the real detrimental effects," Popovitz said. At the moment, deer antler velvet is available as an unregulated supplement. For example, too much IGF-1 may cause tendons to become too tight and break or may disrupt how the body metabolizes fats and sugars.Įarly research shows that IGF-1 may be effective in healing some cartilage and tendon injuries, noted Leon Popovitz, an orthopedic surgeon and founder of New York Bone & Joint in Manhattan.Ī recent study found that taking IGF-1 supplements is linked to improving cartilage damage in joints due to repetitive trauma, Popovitz said.Įven so, such studies are still very preliminary, and growth hormone research is still unproven, he cautioned. That's because many athletes take several times the recommended dosage, which can result in adverse effects, Mezitis said. ( See a human-body interactive.)ĭoctors give growth hormones to young people with stunted growth, but they don't recommend it for athletes or bodybuilders, according to Spyros Mezitis, an endocrinologist at Lenox Hill Hospital in New York City. If the body doesn't produce enough growth hormones, dwarfism can occur too much, and a person may get acromelagy, a type of gigantism. Growth hormones, which are naturally produced by the brain and liver, regulate how our bodies grow. We asked a few medical experts to give us the facts on deer antler velvet.ĭeer antler velvet is essentially a growth hormone called "insulin-like growth factor 1," or IGF-1. each year, according to the New York University Langone Medical Center.ĭeer farming is a huge industry in the country, with about 2,800 farmers that own approximately 1.1 million deer, most of them red deer, elk, and red deer-elk hybrids, according to the company New Zealand Deer Velvet.īefore removing the velvet from a stag's antlers, certified veterinarians or farmers give the animal stag a local anesthetic to minimize stress. Food and Drug Administration, and is banned by the National Football League.Įven so, it's a big business, especially in New Zealand, a major exporter of deer velvet, which ships tens of millions of dollars worth of the substance to Asia and the U.S. Made from male deer antlers during the stage when the antlers are covered in soft fuzz, the unproven performance enhancer is often used by athletes who believe it helps heal cartilage and tendon injuries more quickly and boosts strength and endurance. Lewis denies the story, calling the rumor a "trick of the devil," according to USA Today. Lewis, who's headed to the Superbowl in New Orleans this weekend, looked into using a nasal spray made of deer antler velvet to heal his torn right triceps, Sports Illustrated reported in their February 4 issue. It may sound warm and fuzzy, but deer antler velvet is at the center of a new sports controversy involving Baltimore Ravens linebacker Ray Lewis.
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