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Columns - Monthly : NULLO - Making Good Scents
Last Updated: Aug 6, 2010 - 1:11:39 PM
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Sponsored by NULLO For Hunters -- on the web at

Proactive Scent Control From Within.
By Jerry Bush
Mar 23, 2007 - 10:30:44 AM

It is common knowledge among hunters that many game animals; especially whitetails, depend on their noses as their primary defense mechanism.  Yet we continually underestimate the ability of animals to detect our presence by smelling the odors our bodies produce.  I believe this is because humans can't resist gauging the ability to smell by inferior human standards, making it nearly impossible to appreciate how superior an animal's nose can be.  

While humans use smell to determine what is desirable or undesirable, many game animals are dependant on their sense of smell for survival.  Scent is not only used for survival of self, but indeed for the proliferation of their species.   My late father put it in simple terms for me.  "A deer uses its nose to analyze a situation, and then make decisions we humans would only make after analyzing circumstances with all of our senses." 

Make Nullo a part of your hunting gear and solve one of the most significant problems whitetailers face.

Therefore it would greatly behoove hunters to approach the use of scents by imagining ourselves as a wise old buck.
Research provided by the manufacturers of artificial scent attractants shows that odor supplies the following information to deer:
  1. They sniff to locate food.
  2. Animals use scent to establish territory
  3. They discern information about predatory animals (including humans) that have traveled through their territory.
  4. They use scent to determine when and where to socialize with other members of their species.  This includes deciding when to mate.
Knowing how to put that information to productive use is a key for the hunter.  It is not only imperative to understand when and where to introduce manufactured scents, but it is critical to remove human odor from the equation.  No manufactured scent is going to be effective if its use is contaminated by human odor!

So what can we do?  Obviously we can shower with good scent-elimination products.  Sport-Wash® Hair and Body soap comes immediately to mind for me, simply because it is the product I rely on.  I'm sure every reader has his or her favorite.  There are excellent garments that combat odor by minimizing the production of bacteria, like XGO  garments, which use silver technology to minimize bacterial growth.  Again you probably have a favorite.  Some garments like Scent-Lok® and Scent-Blocker® supposedly help by using carbon to absorb produced odor. 

Numerous sprays and powders provide valuable scent reduction assistance.  There is an ever-growing list of these products, but Atsko™ offers the largest selection I know of, and has been producing them longer than any other manufacturer I am familiar with.  Given what we know about how important scent is to wildlife; are the preceding listed tactics enough?

Bowhunter are the real predators. Every whitetail in North America fears man-scent and failing to control it will give bucks an edge. If you do control human scent you will see dividends like this. Nullo is the inside-out solution to body odor.

There was a time not so long ago that I would have stated that is about all we can do.  I've since discovered I was incorrect.  Why not attack the source, and reduce the alarming scent our bodies produce?  That's right; we do have the technology to reduce the odor our bodies manufacture.

I was recently alerted of an "Internal deodorant" named Nullo®.  The product claims to be effective when taken daily, to help reduce odors related to fecal and urine, bad breath, perspiration, foot odor, and underarm odor.  Wow, that's quite a statement.  Does Nullo® really work? 

There was only one way I would ever be able to say for certain.  I had to give the product my personal test.  Now mind you; because I always smell fresh as a rose, this test is not very scientific.  (My wife is rolling her eyes and nodding it total agreement at this point.)   

One Nullo® pill contains 100 mg of a Chlorophyll Copper Complex as its primary ingredient.  Other ingredients include crospovidone, dextrose, hypromellose maltodextrin, microcrystalline, cellulose, mineral oil, and stearic acid.  Each user must adjust their intake per personal determination, and the manufacturer advises using the smallest amount that provides results.  Users are warned not to exceed 3 tablets in a day.  Possible side effects include cramps and/or diarrhea.   To be honest, through experimentation I settled on ingesting just a half tablet every morning and evening. The directions say to take 1-2 a day.

Yeah; but do these magic Nullo pills work?  

The answer for me is yes!  There is a noticeable difference in the bathroom, as well as in regard to observed foot and body odor.  My wife says my breath is now tolerable; whatever that means.  (I still can't believe she isn't romantically attracted to onions and garlic, which I thoroughly enjoy!).  Seriously though; I have noticed a significant improvement.  I will not go so far as to advise I no longer need to brush my teeth or take a shower, but Nullo® is working for me, and it is now a normal part of my daily routine.  I have found the internal deodorant provides yet another step in my efforts to prevent contamination of my hunting areas with human scent.  

Though the manufacturer believes you could experience improvement in as little as a couple days, I wouldn't recommend hunters plan to take a few Nullo® pills just a few days before hunting season and then expect everything will be hunky-dory.  If you are not going to use Nullo begin at least begin a month prior to the season, and continue use throughout the season.  If you hunt varmints during the off-season like I do, you may want to consider making Nullo® a part of your daily supplement.  I simply store my internal deodorant pills in the same pill box I use for other medications, thereby making ingestion of these pills a normal part of my routine.  

I'm always very hesitant to recommend internally ingested items without first advising that if you have any concerns whatsoever, please discuss the use of this product with your doctor.  Do not let my statement scare you.  I don't even recommend people eat a salad unless they know they are not allergic to any of the vegetables.  Let's face it, some people are allergic to medications as simple as aspirin. Nullo is non-prescription and is just as safe as vitamin C.

Nullo® happily offers a money-back guarantee if you are not completely satisfied.  Based on my experience with the product, 99% of you will not only be satisfied, you will be elated.

This year, make it a priority to control human odor.  I'm certain you will find the investment made to hunt more effectively will pay huge dividends.  Happy hunting! will make you scent free
For more scent strategies for whitetailers go to

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