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Nutronics Labs patented delivery system allows faster delivery and longer duration of nutrient action, making it superior over tablets, capsules and powder products. The lipo gastric delivery system uses nanoparticles that are delivered into the bloodstream more rapidly, where they can be better absorbed and utilized without breaking down in the liver, as with many other products.
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.
1g of Velvet Antler taken daily for 12 weeks in otherwise healthy adult men has failed to significantly alter serum testosterone levels, either total or free testosterone.[8] Another study in otherwise healthy men has also failed to find such an effect on the endocrine profile, with 11 weeks of 1.5g supplementation failing to alter serum testosterone[26] and a lack of effects also noted after 10 weeks of 560mg in males and females who performed a consistent rowing regimen.[28]
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)

I never take a product without doing my research, because it is always good to know what you're putting in your body. I looked at several sources including scholarly journals about many of the ingredients in Deer Antler IGF-1. It is a great product, and has been proven to work without ANY side effects. This product has definitely been helping with my lean muscle gains during my improvement season. It gives me energy before a workout, and it gives me some great vascularity while I'm lifting!
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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