Shaklee NutriFeron: Powerful Breakthrough in Immune System Science
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Shaklee NutriFeron: Powerful Breakthrough in Immune System Science

On the whole, your immune system does a remarkable job of defending you against disease-causing microorganisms.

But when it fails, germs can invade your body and make you sick.

Building a strong immune system is vital for your well-being. Along with exercise and a healthy diet, a cutting-edge immune system supplement called  NutriFeron  can help you build a healthy immune system able to respond to today’s modern world.

The Body’s Natural Defense

Before we can understand what NutriFeron does for us, we first have to understand what interferons do for us.

Interferons were discovered by world-renowned immunologist Dr. Yasuhiko Kojima in 1954 while he was conducting research at Tokyo University.

Yasuhiko Kojima Created Shaklee NutriFeron

Interferon is a natural substance produced by every cell of the body. They act as our body’s response to viruses, bacteria, and more. They are activated when a cell is attacked by microbes, viruses, cancer cells, and other foreign “agents”. Interferon protects us from illnesses by regulating and activating our immune system response. They signal neighboring cells to prepare for action and triggers other resistance mechanisms in our body. Interferon also activates other “soldier immune cells that kill foreign invaders.

Scientists and medical communities have identified interferon, so named for their ability to “interfere” with viruses, as being crucial to healthy immune function. But the production of these interferons typically only occurs in response to illness or bacteria once it’s already inside our body. As we get older, its production slows down.

Interferon is so potent that pharmaceutical companies produce it artificially via genetic engineering. It is successfully used to treat Hepatitis, HIV, and various kinds of cancer. However, this genetically engineered interferon is also incredibly toxic and VERY expensive. On average ONE interferon injection costs $500 – which is equal to the cost of an entire year’s supply of Shaklee’s NutriFeron!

Dr. Kojima saw the toxicity of the genetically engineered interferon and set out to find a way to stimulate the body to produce interferon naturally. It was a particularly difficult quest. The search to find a natural way to stimulate the body to produce interferon, took Dr. Kojima and his colleagues 40 years! They tested over 200 natural herbal extracts to perfect what we now call Shaklee’s NutriFeron.

NutriFeron: A Powerful Breakthrough in Immune System Science


Nutriferon is the only dietary supplement in the U.S. created by the discoverer of interferon. (Dr. Kojima is also a member of Shaklee’s Medical Advisory Board). His plant-based formula is designed to naturally increase the production of interferons in our bodies, providing support at the cellular level naturally and protecting us against viruses by boosting our immune system. NutriFeron stimulates every cell of the body to produce more natural interferon to provide a greater level of protection against broad-spectrum flu, viruses, etc. In other words, it takes the defense system we already have and makes it stronger. This leaves our immune systems better prepared to handle invaders!

However, it does not stop there. If your immune system is out of balance with hypo- or hyper-immune disorders, it helps to modulate or rebalance the immune system. It also helps modulate your endocrine system, and is, therefore, an aid in balancing hormones

NutriFeron’s four key herbal extracts:

NutriFeron contains a patented, clinically proven blend of four immune-strengthening plant extracts.

Pumpkin seed: Stimulates the production of natural interferons in our body to fight free radicals and cancer-causing factors

    • Safflower flower extract: Produces macrophage and strengthens its ability to destroy viruses and germs
    • Asian plantain seed: Contains polysaccharide, which activates the overall immune cells
    • Japanese honeysuckle flower: Fights the intrusion of viruses and germs


NutriFeron works at the cellular level in two ways:

  1. Rapidly activates your immune system’s defenses
  2. Mobilizes the immune system’s “search-and-destroy” teams

What makes NutriFeron different from other immune system products?

    • Nutriferon is the only immunity supplement formulated by the discoverer of natural interferon, after an exhaustive 40-year review of 200 natural compounds
    • Patented, clinically proven formula.
    • A natural way to keep your immune system finely tuned and on ready alert, taking the defenses you already have and making them even better
    • Available exclusively through Shaklee, Nutriferon is a powerful and effective supplement that has exceeded a stringent set of scientific tests for safety, purity, and potency, and clinical tests for performance.
    • Star-K kosher certified

Who will benefit from NutriFeron?

    • Everyone over twelve years of age whose busy, stressful lifestyles place their immune systems under constant attack.
    • Those who seem to catch every cold that comes around. Or are affected by changes in the seasons
    • Those who are interested in maintaining a peak performance immune system
    • Those who are elderly and, therefore, vulnerable to diminished immunity
    • Those whose diets are not always optimal
    • People with high levels of stress
    • People who are sedentary
    • Those who want to be proactive in optimizing their immune response against environmental irritants and airborne pollutants.
    • Those suffering from allergies.
    • Those with immune disorders, or out of balance endocrine systems.
    • NOTE:  People with cancer, or a very compromised immune system, can safely take large quantities of NutriFeron.

Nutriferon has been widely used by consumers and the results are showing that it is helping people feel healthier and happier in their day-to-day lives.


Shaklee Nutriferon Testimonials:  

NutriFeron“Through all the germs I came in contact with, to this date I have yet to have even a sniffle. This is one powerful product!”
I was fortunate enough to be able to test NutriFeron for two months before Gene went into the hospital. I also got some additional so I could stay well. While visiting him every day for two months in the ICU, I saw sick nurses and doctors working in there, yet through all the germs I came in contact with; bad weather (rain, snow, etc.); the stress of driving 100 miles daily; keeping up with our Shaklee business; to this date I have yet to have even a sniffle. This is one powerful product.  – Margie G.

“When I started on NutriFeron, I no longer had to blow my nose at all!”
I had severe allergies and chronic infections for 11 years before Shaklee. As I began taking the Shaklee supplements I started to have fewer allergy symptoms and infections. As time went on I had no specific allergic reactions to anything but I would have to blow my nose periodically. When I started on NutriFeron, I no longer had to blow my nose at all. That was a measurable and specific improvement. I no longer show having had allergies at all. And I have lots of energy. Anybody with severe allergies can tell you lacking energy is a big issue. Shaklee truly did give me my life back.  – Tobie B.



Now, more than ever is the time to take care of yourself. Every day, your immune system has to protect you from millions of microbes that inhabit your surroundings—microbes you may be breathing, eating, touching, or sharing. By taking safe and natural supplements like Nutriferon, you’re more likely to naturally boost your interferon levels for an invincible immune function.


For more information on other Shaklee Supplements to Boost Your Immune System CLICK HERE.


* NOTE: Results may vary from person to person. All statements herein have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.


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