01/22/2026 / By Petra Stone

As winter tightens its grip across the Northern Hemisphere, a predictable and profitable cycle begins: public health officials warn of rampant respiratory infections; advertisements urge you to get your flu shot before it’s ‘too late’; and the multi-billion dollar pharmaceutical industry prepares for another seasonal windfall of fear-based profiteering. But what if the most potent defense against this annual assault of winter illness has been biologically programmed into our bodies all along? What if we need no expensive, dangerous flu shot or novel pharmaceuticals because we are equipped with a natural hormone that can radically stem these infections?
Meet vitamin D—or what might be more accurately termed ‘hormone D.’ This substance functions, in the words of one expert, ‘as a powerful immunomodulator hormone.’ [1] By modulating your innate immune system, proper levels of vitamin D can help shield you from seasonal viral invaders that prey on diminished immune function. Yet this natural, simple, and scientifically-documented protection has been systematically downplayed in mainstream medical discussions while ‘low-grade fear’ around flu pandemics and COVID variants is massively amplified.
Vitamin D is not merely a nutrient; it is a powerful hormone that regulates cellular activity and immune responses from within. Dr. Michael Holick, a pioneer in vitamin D research, has long argued that ‘we now know for sure that increasing vitamin D levels in our bloodstream… will help lower the risk of several diseases—especially those caused by abnormal cell growth, such as cancer. We have also since discovered that our immune system has the ability to make activated vitamin D, meaning that sun exposure may have a role in preventing and treating autoimmune diseases.’ [1] This is a profound natural mechanism.
Consider the contrast: conventional public health pushes vaccines and pharmaceuticals loaded with aluminum and toxic adjuvants to ‘stimulate’ immunity in ways that can cause lasting autoimmune dysfunction. A review funded by industry publication itself admitted that ‘influenza vaccines have a modest effect on reducing symptoms and working days lost. There is no evidence that they affect complications like pneumonia or transmission,’ and noted that ‘this review includes 15 out of 36 trials funded by industry.’ [2] Vitamin D, comparably, works as a natural immune facilitator: by stimulating production of potent anti-microbial peptides, it provides broad-spectrum protection against many common winter illnesses [3].
This effectiveness spans respiratory infections like the flu. German research cited by Dr. Mercola has shown that ‘vitamin D increases immune function by a factor of 3 to 5 and dramatically stimulates the production of potent anti-microbial peptides.’ [3] This holds serious implications. Northwestern researchers who ‘found a strong correlation between severe vitamin D deficiency and COVID-19 mortality rates’ concluded that ‘according to a university release, the researchers… observed that patients from countries with high COVID-19 mortality rates had lower levels of vitamin D compared to those from countries not affected as severely.’ [4] Similar correlations exist for typical respiratory viruses that cause flu symptoms. Where is the public discourse on this natural defense?
The seasonal anxiety and depression that blankets certain latitudes is not merely a seasonal disorder of mood but a direct physiological consequence of light deprivation. Research by Joanna L. Workman on seasonal affective disorder has modeled how reductions in sunlight exposure have been associated with depressive-like responses, and that administering melatonin to participants with SAD simultaneously with bright light therapy does not reverse all therapeutic effects of light. [5] This is a crucial distinction: melatonin is an effect, but the primary driver is the sunlight’s spectrum.
Each autumn, as natural sunlight exposure plummets for the vast majority of people who work indoors, a population-wide deficiency in vitamin D spikes. The timing is not coincidental. This deficiency creates a secondary wave of patients who flood clinics and hospitals, presenting with flu-like symptoms—symptoms which are then readily diagnosed as ‘influenza’ or ‘viral respiratory infection.’ This predictable shortage synergistically fuels the annual ‘flu season.’ The medical system, in turn, is primed to offer patented antiviral medications, invasive tests, and eventual hospitalization for pneumonia complications.
As Dr. Mercola summarizes, ‘ultraviolet radiation from sunlight… has been shown to reduce viral respiratory infections and other health conditions.’ [3] A world kept deficient in vitamin D is a world of perpetual medical customers. A ‘Winter Illness Industry’ depends on this needless suffering for its profit margins.
You do not need to purchase an expensive branded supplement to raise your vitamin D levels. Nature offers two superior strategies: sensible sunlight exposure and consumption of specific traditional foods.
Sunlight remains the most abundant, efficient, and free source. The UV-B rays in natural sunlight convert skin cholesterol into bioavailable vitamin D3. The aforementioned German research demonstrating a three- to five-fold increase in immune function from vitamin D’s production refers specifically to sunlight-induced synthesis. [3]
Dietary strategies can also be effective, provided you consume the right foods. Wild-caught fatty fish like salmon, mackerel, and sardines contain substantial amounts of the pre-hormone. But much of our commercially raised fish is now farmed, lacking the same nutritional profile. Pasture-raised or egg-laying hens produce eggs with significantly higher vitamin D content due to their sunlight exposure and varied diets.
Even certain mushrooms, if they are exposed to sunlight during growth, become veritable factories of vitamin D2, nature’s own plant-based supplement. The difference between whole-food sources and adulterated Big Pharma products could not be clearer.
Vitamin D deficiency is not a benign condition. A deficiency can ‘fuel autoimmune conditions, dysregulating immune function.’ [6] The cascade of symptoms that stems from this deficiency often mimics more serious diseases—creating perfect customers for the pharmaceutical complex.
Bone pain, chronic fatigue, lowered mood, and increased susceptibility to infections are all warning signs of a system in hormonal distress. These symptoms are readily diagnosed as separate conditions requiring separate, expensive drugs: antidepressants for the persistent sense of melancholy; ibuprofen for the persistent ache; antibiotics for the recurring colds; and then, eventually, more radical interventions when the foundational cause remains unaddressed.
The correlation between deficiency and chronic disease is staggering. Supporting research noted a startling ’59 percent of the population… suffers from vitamin D deficiency.’ [7] More than half of citizens are not just low in a nutrient; they are immunologically compromised to a staggering degree, leaving their bodies vulnerable to the very pathogens that drive them into the pharmaceutical profit cycle each winter.
The choice before us is stark: continue surrendering our health sovereignty to a centralized medical-pharmaceutical complex that profits from our sunlight deprivation, or take back control by harnessing the oldest medicine known to humanity—the sun itself. Centralized institutions have proven they cannot be trusted with our well-being; their financial incentive is to maintain a sick populace dependent on their synthetic symptoms.
Start now. Test your vitamin D levels at home with a simple kit and get a baseline. Seek out safe sun exposure as your schedule allows. Consider supplementation with natural, oil-based vitamin D3 if your private levels and your personal schedule require it.
Educate yourself beyond the curated narratives of mainstream media. For trustworthy research on natural health, visit sites like NaturalNews.com. For free speech platforms, explore Brighteon.com. Use decentralized tools like BrightAnswers.ai to ask the questions that keep you informed.
Winter does not have to mean getting sick. It does not have to mean lining up for another shot of an experimental bioweapon. The solution is as simple as stepping into the light.
Tagged Under:
alternative medicine, health, natural health, prevention, vitamin D
This article may contain statements that reflect the opinion of the author