Tribulus: An extract taken from the Mediterranean puncture vine that some cultures believe to have medicinal values. There is little clinical data surrounding the bio-physical effects of tribulus, however some people take it to enhance athletic performance, sexual ability, and improve circulation. Not much is known about the long-term consequences of tribulus consumption, however there are some indications that it may potentially lead to prostate issues in some men.
IGF-1 is currently on the World Anti-Doping Agency’s prohibited list due to how it gives athletes an unfair advantage in terms of building strength and muscle mass. (7) However, it’s still legal to use supplements that may provide IGF-1 or similar effects. Most of the studies that show positive results from using deer antler supplements have used high doses. And some have tested the product on animals (mice or rats) rather than humans.
Keeping true to our original Deer Antler Spray formula, Deer Antler Velvet Extract HERS is all-natural and contains the same amount of Deer Antler Velvet as the original, coming to us straight from red deer in New Zealand. Like the original, our new product is high in the growth hormone IGF-1. This new spray, however, is testosterone free and contains: collagen type II, biotin, green tea, and epimedium, all of which have benefits specially geared toward female athletes. Epimedium, known in Chinese medicine as “yin yang huo”, has the same effect as estrogen, can increase libido, and produce osteoblasts, the cells that secretes the matrix for bone formation. This promotes strong bones, and aids in the prevention of osteoporosis. Collagen, is a protein that forms the strong, flexible white fibers of the body's bone, cartilage, and connective tissue, and is vital for tissue regeneration. Biotin can speed up metabolism, improve glucose levels, and improve brittle nails. Green tea, is one of nature's most powerful antioxidants, and has been linked to cancer prevention, Alzheimer's prevention, the prevention of obesity, and countless other health benefits.

In an experiment (Gerard, 2004) conducted to study muscle damage and repair, 20 males ran for 35 minutes on a downhill treadmill. The participants, who were not trained runners, were pre-treated with deer antler velvet or a placebo 14 days prior to the run. The subjected treated with deer velvet showed that their creatine kinase levels, a marker of muscle damage, was significantly lower than the control group. Also, muscle soreness on average was reported to be gone 24 hours before subjects in control.
Other studies reported an increase in heart strength and volume of blood pumped, while cardiac output, heart rate, mean arterial pressure, pulse pressure, central venous pressure and other parameters remained unchanged. Researchers suggest that the polysaccharides in antler may reduce the blood’s tendency to clot, improving circulation, decreasing stroke risk and boosting general cardiovascular health. Researchers theorize that the deer antler velvet may improve blood supply to muscles or act as an anti-inflammatory, allowing athletes to recover faster from training sessions.
In a randomized, placebo controlled test in 2004, researchers at the University of Alberta, Canada, placed 18 males from the Edmonton Police Force into a 9 week strength training program. The results showed that deer antler velvet increased the strength and endurance of the subjects relative to the control group. The researchers found that use of deer antler velvet significantly increased blood plasma testosterone levels. 
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