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My name is Ken Presner. I am an independent researcher, inventor, health consultant, writer and computer programmer. In 1989 I was paralyzed with Multiple Sclerosis. In 1994 I nearly died from Crohn's disease. I invented The Ultimate Zapper in 1996. It was vital to my recovery. After I got my life back I wrote Against All Odds & My Recovery Protocol. My books show I did not beat two incurable diseases and return to perfect health by accident.

Scientific studies that back The 4 Ultimate Zappers show how they have helped thousands to recover their health. Their superior technology creates the world's most effective Parasite Zappers and the world's top Pet Zappers -- at very affordable prices. But they kill far more than parasites. They also eliminate bacteria, viruses, mold, fungus, yeast and other pathogens.


EIS 3-D Scanning is cutting edge body scanning technology that provides undeniable scientific proof for the stunning effectiveness of The Ultimate Zappers. Relative Strength Charts and detailed Comparison Charts prove The Ultimate Zappers rank #1 and are clearly light years ahead of 30 competitors. Scientific studies prove the effectiveness of The Ultimate Zappers beyond any doubt. The Testimonial Archive presents the amazing results with 890 unsolicited testimonials. No other zapper provides this compelling proof of effectiveness and preeminence -- or comes even close.

Classic Models
SE & XEplus

Premium Models
QE1plus & QE2version3

It is no accident that 99% keep their Ultimate Zapper after the 3-month trial. Our #1 ranking is reflected in glowing endorsements from many experts and dozens of highly respected health sites including CureZone and CancerTutor.

From a UK therapist

Howard G.: I am a therapist with cutting edge equipment. The Ultimate Zapper is the most effective device I have used, ever. Strong statement? Yes, especially as I have 20,000 worth of healing equipment. I congratulate you on a simple device that will probably work on everyone. Oct. 3, 2012


The Ultimate Zappers deliver amazing results -- proved by 890 unsolicited testimonials that include many miracles. The nearest competitor has 55 testimonials on their site. David Wolfe's Longevity Zapper has zero. I am gratified and humbled when people thank me for improving their health and getting their lives back.

QE2 in 2017

Nick. N.: Your QE2 Ultimate Zapper is much more powerful than I expected ... after only 30 seconds of zapping my feces were full of white worms ... thank God I found you and your brilliantly strong healing device. I'll give you more details after at least three weeks. Anyway, your zapper is extraordinary. I love it. May 15, 2017

From an M.D.

Dr. Mitchell H.: My wife and I had microscopic blood analysis showing toxoplasmosis, anemia, trichomonas, red blood cell damage & yeast. We zapped 10 times. New blood tests showed no parasites. The examiner was amazed. Incredibly fast results -- no drugs. We're very happy. Thanks for a safe, affordable way to get well. We really appreciate it. Feb 18, 2011

Miracles -- Thyroid

Harry K.: ... thank you for an amazing product ... I have been using your Ultimate Zapper quite successfully for many years. It has created so many healing miracles I cannot even begin to count. Sep. 22, 2014

Jose Q.: My wife is totally cured from her thyroid disorder. Her Dr. cannot believe his eyes -- hormonal levels better than normal. Being pregnant her thyroid is functioning as if she was 20. She is 37. I am eternally grateful to you ... what your Ultimate Zapper has done to her healing. Aug. 26, 2012


Karen Allen on YouTube

Actress Karen Allen starred with Harrison Ford in Steven Spielberg's Indiana Jones movies. Karen recovered from Lyme disease in 1 day using The Ultimate Zapper SE. She now uses XE. In Karen's interview and on her Lyme Page she talks about her miraculous recovery and the recovery of "15 or 16 people" who borrowed her Ultimate Zapper for their Lyme. Read 27 amazing Lyme Testimonials in The Archive -- including Karen's.

Ken, thank you so much ...

Karen Allen: Ken, I never get sick at all anymore since I began using The Ultimate Zapper. Thank you so much for the part you play in getting it out into the world. It has had an incredible impact on me. All the best.
Karen Allen, Jan. 29, 2011

karen2Karen Allen: [after zapping 4 hours] ... I fell asleep ... I got up and I began to realize I felt dramatically different ... within about the next 48 hours all my Lyme symptoms had gone ... I was completely cured by this wonderful little machine ... I am a true believer in the wonders of [The Ultimate Zapper]
... it was one of those eureka moments in my life.

I know from my own experience that this works. I have even administered it to 15 or 16 people. It has helped all of them ...


EIS Scanning is indisputable scientific proof of effectiveness -- exclusive to The 4 Ultimate Zappers. You will not find any scanning evidence on any other zapper site. The EIS Page features dozens of scans of women and men with a variety of conditions before and after zapping. Below are 6 EIS Scans of a male age 40 before and after using XE via Duration Zapping (30 minutes a day for 18 days). The results speak for themselves.

The EIS Scanning System (Electro Interstitial Scan) was developed in France as cutting edge 3-D imaging & diagnostic technology. It is used worldwide by 1500+ medical doctors for fast, efficient and precise patient diagnosis.

These 3 scans were taken before zapping.
Colored areas show abnormalities.
1. Colon -- pale blue -- low cell activity.
2. Stomach and liver -- teal blue -- chronic inflammation.
3. Kidneys -- medium blue -- low activity of organ cells.
4. Heart -- navy blue -- hypoxia (low oxygen supply).
5. Heart -- pale blue -- low cell activity.
6. Heart -- yellow -- light inflammation.


These 3 scans were taken after zapping.
Grey areas show total normalization.



What's the difference between The Ultimate Zappers and the competition? There's a powerful difference. To make things look good, the competition showcases a long list of Bells & Whistles. The Ultimate Zappers showcase a long list of strong features -- 12 True Features -- that deliver amazing power and results without a single bell or whistle in sight. Here's the bottom line: True Features = power = effectiveness.

Relative Strength Charts

Relative Strength Charts quantify the difference via survey results after 2 years of field testing The 4 Ultimate Zappers and 6 competitors using a cumulative point system. There's simply no contest.

We're talking serious power here -- up to 25x stronger than the competition. It is no wonder some competitors recommend zapping for hours at a time. Because they're weak. With The Ultimate Zappers it's no surprise everyone starts at 10 to 15 seconds. And many don't need to zap longer than that. But the actual zapping feeling is gentle and relaxing.

Comparison Charts

View The Ultimate Zappers opposite 30 competitors in Comparison Charts using the 12 True Features. They show how feature-poor the competition actually is -- feature by feature. There is simply no comparison.


But there is a lot more to the story. The interaction of The Ultimate Zappers' 12 True Features creates a powerful synergistic effect -- a multiplifier effect. This is the underlying secret to their success -- with extra features added to QE1plus & QE2version3 that maximize power & optimize results. Moving up from SE to XEplus to QE1plus to QE2version3, expect much faster, deeper and enduring results.


The Ultimate Zappers are made by experts with state-of-the-art components
and professional hard wiring with 100% pure copper wire
for ultra high conductivity. XEplus, QE1
plus & QE2version3 feature
Neutrik professional gold-plated connectors.


The Ultimate Zappers' state-of-the-art microprocessor
is a professional-grade Integrated Circuit chip.

Oscilloscope testing guarantees no circuit failures.
All 4 models are housed in a rugged professional-grade ABS box.


Classic Models
SE & XEplus

XEplus & SE have 12 True Features. SE has solid copper clips. XEplus has professional-grade gold-plated Neutrik connectors. Both come with 9-volt AC adapters.

Premium Models
QE1plus & QE2version3

QE1plus & QE2version3 have professional-grade gold-plated Neutrik connectors.

QE1plus is much more powerful than SE & XEplus thanks to 12 True Features and a powerful Neodymium 12-Magnet Array & Amethyst Crystal Matrix plus copper & steel handholds. It comes with a 9-volt AC adapter.

QE2version3 is much more powerful than QE1plus with 12 True Features and a Neodymium 32-Magnet Array & Amethyst Crystal Matrix delivering stunning power with 2 pairs of copper & steel handholds. It comes with a 12-volt universal AC adapter.


The 4 Ultimate Zappers are easy to use. Just flip the switch and zap for 10 to 15 seconds for starters. There is only 1 mode -- the healing mode. A wonderful bonus is that zapping at bedtime gives a great sleep.

Instruction Manual

for a pdf version of the Instruction Manual



The Satisfaction Guaranteed package with The 4 Ultimate Zappers is the best offered by any zapper -- including a lifetime warranty enjoyed by 1000s of satisfied customers in over 60 countries. People are so happy with the results that 99% keep their zapper after the trial. Why not try one out for 3 months? You'll likely be very happy, too. The logo should actually say 99% Guaranteed. Read more.


The Ultimate Zapper
makes a wonderful gift

Order World-Wide

Upgrade your zapper
within the 3-month trial period


You are welcome to join my international distributor network
that has helped make The 4 Ultimate Zappers #1 worldwide.
Read more.

EIS scanning specialists, medical doctors, health practitioners, therapists, healers, health experts, electrical experts, electrical engineers and dowsers say The Ultimate Zapper is #1.

Experts worldwide confirm the #1 ranking of The Ultimate Zappers based on their superior technology. One electronics expert submitted a scientific analysis of The Ultimate Zappers' harmonics proving they are superior to the harmonics of the square wave used in all other zappers. He attached these oscilloscope views as graphic proof. Harmonics are a True Feature of The 4 Ultimate Zappers -- one of the keys to their power and effectiveness.

wave1 wave2

The Ultimate Zapper                           All Other Zappers

And some competitors really like The Ultimate Zapper. Don Croft of Terminator endorsed it and David Etheredge of ParaZapper also endorsed it, clearly unwittingly, when he boldly declared that "it may be the best single frequency zapper" -- which simply means the best zapper according to
Dr. Hulda Clark who invented the original

parasite zapper. She defined zappers as pulse generators that use a positive offset square wave and a single frequency to kill bacteria, yeast, fungus, mold and parasites that resonate at all frequencies. That is the exact definition of The 4 Ultimate Zappers.

But they are light years ahead of the competition in terms of strength and effectiveness. This has inspired some makers to become creative. After ParaZapper endorsed The Ultimate Zapper he tried to clone it and take its name. Don't miss the shenanigans and humor ...



add Against All Odds to your order

Against All Odds is the 275-page companion to My Recovery Protocol. It tells how I got my life back after being paralysed with Multiple Sclerosis in 1989 and nearly dying from Crohn's disease in 1994. My book describes how I escaped a hopeless 7-year nightmare in spite of The Medical System.

Against All Odds is the blood, sweat and tears account of my recovery. But it is a lot more than that. It also exposes the AMA and FDA that collude with the cunning ADA to create illness and profit from the results. According to The System there was no hope for me. They know what they're talking about since they cause these diseases then stack the odds against recovery. But I ended up beating the odds and The System. My book reveals how I succeeded in doing this. Read more.



to KINDLE FORMAT with the

add My Recovery Protocol to your order

My Recovery Protocol is the 220-page protocol that evolved from my 7-year life-and-death battle to overcome Multiple Sclerosis and Crohn's disease -- two incurable diseases caused by mercury poisoning from silver amalgam fillings. They are actually 50% mercury that leaches into the body with devastating consequences. Read The Big Dental Lie.

This photo is from the Minamata mercury disaster in Japan in 1956
I looked like this in 1989 -- paralyzed and bedridden with MS

The key to my recovery was breaking the chain of pathology by detoxifying mercury and other metals -- parallel with zapping to kill parasites that are attracted to toxic metals. The disease process was thus reversed. I am living and healthy proof you can recover even from paralysis and near death from mercury poisoning -- in spite of The Medical System.

I looked like this in 1994 after Crohn's surgery
-- with my actual hospital ID wrist bands (right)

There are many metals and chemicals that cause disease. My book deals with all toxic exposure. With 20 years of research, it has helped people recover from many different conditions. It tells exactly what I did to recover and get my life back. It will empower you to make informed choices. You will not get this information from The Medical System. Read more.

The ADA Lies thru Their Teeth

Mercury is the world's #2 toxic metal after radioactive plutonium. It is the world's #1 neurotoxin. Mercury causes not only neurological diseases, but also thyroid and heart disease, cancer, diabetes, bowel disease and many other diseases.

The Ultimate Zapper
What are you looking at me like that for?

What about dentists? They are all in denial. Mercury vapor makes them highly toxic. Medical studies show everyone who works in a dental office is toxic. Many dentists and dental assistants are sick from mercury -- with the ADA covering it up. The pioneer mercury-free dentist Dr. Hal Huggins had MS. He is not the only dentist who developed a neurological disease.

The Medical System pours billions into research but ignores the issue of mercury and other toxins as the cause of disease. The big drug companies control The Medical System. Instead of looking for toxins doctors look for symptoms, and drug companies "discover" drugs that chase symptoms and generate huge profits.

Inside the Ultimate Zapper

So, don't expect to hear the M word from your doctor if you have mercury fillings and you arrive at his/her office with the signs and symptoms of mercury poisoning. To protect The Medical and Dental Systems from legal liability doctors ignore the mercury issue -- although Do No Harm is their sworn duty. This is the Hippocratic Oath they take when becoming an M.D. Never mind. Why worry about the law when there's good money to be made prescribing drugs to chase your symptoms? Do No Harm is not in the Hippocratic Oath for dentists. They're off the hook.


Join me on YouTube


Patrick Timpone
on One Radio Network

Holistic Survival Show
with Jason Hartman

Podcast About My Recovery
and My Zapper

Extreme Health Radio
with Justin and Kate Stellman


Dairy products

... actually cause
breast cancer and prostate cancer.

Dr. Hal Huggins

Obituary of the great pioneer of mercury-free dentistry.
Dr. Hal Huggins


Monsanto is a bold leader. They help women
live better lives -- with toxic tampons.
Bravo Monsanto!

Flint, Michigan

After the toxic metal tragedy at Flint, Michigan
the Environmental Protection Agency
made a very astute decision
-- to protect polluters from lawsuits. Bravo, EPA!

Robert De Niro

Actor Robert De Niro
talks about his autistic child
in the movie Vaxxed
and vaccinations that contain toxic mercury.


The FDA has been
sued again because they refuse
to protect the public against mercury poisoning
caused by fillings they call "silver amalgam"
but are actually 50% toxic mercury.
Bravo FDA!

Justin Trudeau

Prime Minister Justin Trudeau has his health priorities straight.
He refuses to support a life-saving bill outlawing dental mercury.
He is preoccupied with a bill for doctor-assisted suicide.
Bravo Canada!

Canada's System

Canada's Health Care System gives the word care new meaning.
Autistic children toxic from mother's mercury fillings
recover with DMSA that detoxifies mercury.
Canada's FDA just outlawed DMSA.
Link 1. Link 2. Bravo Canada!


The AutoZap site has Arthur Doerksen greeting visitors
while declaring "I don't fear "the C word" any more
... I've been through it twice and I finally learned the "secret".
Today, I use my AutoZap 5 Hulda Clark Zapper every day
to remain healthy and cancer free."
But Arthur passed away from cancer in February 2016.
His son now manages the AutoZap site
-- without mentioning his father's passing.

I received this message from Jeff S. on Oct. 10, 2017.

I read what you wrote about Arthur and you are right ...
his zapper and this magnetic food thing did [nothing] at all.
He [this must be Arthur's son] promised a refund ...
but would never reply to me. I even used some
of my electronic equipment I have here and
those things were not putting out anything at all.


I am an incurable optimist. You have to be to overcome incurable diseases. I follow my mother's example. Here she is zapping at 90 after twice beating life-threatening cancer. She believed The Ultimate Zapper helped her live a longer and healthier life. Indeed, she kept her own home until she passed away just shy of 98. God bless her.


Ken Presner, 1027 Davie Street, Suite 520, Vancouver, BC, Canada V6E 4L2
(for snail mail only, not for orders or deliveries). Since I only make out calls, please email me your number and I will be glad to give you a call.
receive a reply same day

Mark W: ... your communication (both speed and quality of information) superceded every business I have ever dealt wtih online, hands down.
Feb 16, 2015


I also design high end audio power conditioners and accessories.
Welcome to Gone Audio.