High Quality Long Jack (scientifically; Eurycoma Longifolia, learn more on WebMD) is known to help your body naturally increase testosterone levels (and raise libido), boost cardio endurance, build lean muscle, and reduce body fat. Combined with our Premium (A-Grade) Deer Antler Velvet, Ultra Plus w/Long Jack can really help you take your workouts to another level and stand tall!
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Tanejeva also tested the effect of deer antler velvet in athletes running three kilometer races. In the experiment, 50 men ran the distance and their completion time was recorded. Deer antler velvet extract was administered to half of the runners and the participants repeated the race.  The group receiving the Pantocrin completed the subsequent race in a faster average time.
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My name is Michael Morabe and I’ve been an avid and addict of sand and indoor volleyball. I’m 27 years old and after getting back into volleyball 2 years ago, I realized I needed to lose weight. I just played more and more, shedding weight pretty rapidly, but after I lost about 35-40 pounds, I couldn’t do much more without starting to diet. The added problem was my recovery after playing so much during a week whether it be pick up or tournaments.


Unfortunately, the potential problems with IGF would seem to negate any of these theoretical benefits.  It has been shown that improper use of hormones such as dehydroepiandrosterone (DHEA), androstenedione, and human growth hormone may increase the risk for development of prostate cancer or promote the growth of existing prostate cancer by raising IGF-1 levels.  Therefore, men who are taking supplements with IGF in it (or those that raise IGF levels) could theoretically be putting themselves at an increased risk for prostate cancer.  Again, it hasn’t been rigorously studied so it’s impossible to know for sure, but if you have any risk factors for prostate cancer, it’s probably best to avoid taking this supplement.  
While Lentini admits sales have picked up, he says he's been hurt by the perception in the recent baseball letter, which told players that deer antler velvet could be contaminated with methyltestosterone, a banned steroid. The connection is based on the fact that David Vobora tested positive for the steroid after using antler spray. He won a $5.4 million judgment against the company that made the spray.
For those of you in your teens and 20’s, if you take this type of supplementation your body will begin to stop producing this naturally; and that right there is NOT a good thing. If you really believe you are getting some benefit from using this supplement than you will need to take more and more as your body stops making it completely (at an early age), and will most very likely have complications later, if not sooner, due to having to increase your dose. Therefore when it is found, and it is known that IGF-1, the active ingredient of why Deer Antler Velvet is used, can cause cancer, especially prostate cancer and the enlargement of other vital organs in the body, not muscles.
One study[14] (duplicated in Medline[15]) that used a water extract of Velvet Antler at 50-200mg/kg failed to inhibit the pain killing effect of Morphine yet reduced the rate at which rats became tolerant to Morphine over the course of 6 days when taken an hour prior to Morphine each day.[14] Rats who were given Velvet Antler prior to Morphine also experienced 26.6-36.6% less withdrawal (dose-dependent) and reduced reverse tolerance and dopamine receptor supersensitivity relative to morphine control.[14]

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]
However, calcium and phosphorus levels (which are important for bone growth) did not differ among groups. Overall, the researchers concluded that “our results seem to support a role for dietary supplementation of EVA on growth and bone development in this model.” (9) However, it’s important to point out that this is a very high dose. It’s significantly above what most would take in supplement form.
This product may adversely interact with certain health and medical conditions, other prescription and over-the-counter drugs, foods, or other dietary supplements. This product may be unsafe when used before surgery or other medical procedures. It is important to fully inform your doctor about the herbal, vitamins, mineral or any other supplements you are taking before any kind of surgery or medical procedure. With the exception of certain products that are generally recognized as safe in normal quantities, including use of folic acid and prenatal vitamins during pregnancy, this product has not been sufficiently studied to determine whether it is safe to use during pregnancy or nursing or by persons younger than 2 years of age.
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.

On January 30, 2013, Vijay Singh professional PGA Tour golfer was caught unaware and openly admitted to the personal use of deer antler spray which contained a banned substance at the time.[22] A week later the World Anti-Doping Agency (WADA) lifted the ban on deer antler spray, but with urgency, "Deer Antler Velvet Spray may contain IGF-1 and WADA recommends therefore that athletes be extremely vigilant with this supplement because it could lead to a positive test." [23] The consensus opinion of leading endocrinologists concerning any purported claims and benefits "is simply that there is far too little of the substance in even the purest forms of the spray to make any difference," [9] and "there is no medically valid way to deliver IGF-1 orally or in a spray." [24]


When antlers fall off, they leave wounds that heal quickly, without forming a scar. Researchers have found that velvet antler contains substances that encourage healing, and could be of use to humans. Of particular interest are 3 hormones known to promote growth of skin tissue: insulin-like growth factor (IGF-1), epidermal growth factor (EGF) and transforming growth factor-β1 (TGF-β1). In a recent study, an ointment made from velvet antler, containing these compounds, enhanced healing when applied to the skin of rats. IGF-1 was a hot topic in the media in the winter of 2013 when a football player, Ray Lewis, was accused of using a banned spray containing IGF-1.

The company has found that powders have only about a 15–20 percent absorption rate of IGF-1. This is due to how the digestive system breaks down the powder. Nutronics states that their “proprietary sublingual spray delivery system” is superior to many competitors because it offers “enhanced bioavailability” of IGF-1. They also point out that “it is not the milligrams of Deer Antler Velvet in the product, it’s the content of IGF-1 and other Growth Factors in Deer Antler Velvet, that makes the difference.”(6)
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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