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LMU 139 – Harnessing Vitamin C for Immune Power: Unveiling the Dynamic Link


LMU 139 – Harnessing Vitamin C for Immune Power: Unveiling the Dynamic Link

Source: Journal “Nutrients” (Nov 2017)

Lifestyle Medicine Update (August 17, 2019)


Embark on a journey that delves deep into the realms of human health and immunity, guided by the beacon of vitamin C. Our tale begins with a fascinating review nestled within the pages of the “Nutrients” journal, published in November 2017. Prepare to unravel the remarkable connection between vitamin C, immune strength, and the intricate dance of health and deficiency.

Vitamin C: A Deficiency Lurking

A revelation surfaces—vitamin C deficiency, a silent adversary, ranks as the fourth most prevalent nutrient insufficiency in the United States. A threshold, quantified at 11 micromoles per liter (11umol/L), demarcates the realm of deficiency. Widespread causes emerge—a palette of poor dietary choices, coupled with our body’s limited reservoir for storing vitamin C. A symphony of factors elevates the stakes—air pollution, smoking, second-hand smoke, alcohol, and even stress. The need for vitamin C heightens when battling infections, weathering stress, and confronting diseases laced with oxidative and inflammatory traits.

Vitamin C: A Shield for Immunity

Immune cells, sentinels of defence, harbor an insatiable appetite for vitamin C. These guardians, particularly neutrophils, hoard vitamin C at levels 50-100 times beyond the bloodstream’s store. In this dance of defence, the narrative unfolds—adequate vitamin C is the key. The journey towards immune strength traverses paths of migration to infection sites, the orchestration of microbe destruction, and the containment of inflammation. The script unfurls—vitamin C arms immune cells with the tools to navigate, annihilate, and restore order amidst the battleground of infections.

Pinnacle of Health: Vitamin C Supplementation

Studies weave a tapestry of insights, whispering the magic of 250 mg daily vitamin C intake in bolstering immune prowess. The crescendo echoes—attaining a blood level exceeding fifty umol/L becomes the hallmark of success, attainable with 100-250 mg daily. Yet, this symphony presents a paradox—food alone struggles to weave this tale, beckoning vitamin C supplementation into the limelight. The years write a new verse—with age, immunity falters, beckoning higher doses. A potion of 1,000 mg vitamin C alongside 200 IU of vitamin E becomes the elixir for those treading beyond sixty.

Battling the Common Cold: A Healing Tale

A chapter unfolds, chronicling the battle against the common cold. The pages divulge a remedy—200 mg daily vitamin C, reducing the cold’s severity and duration. A twist in the tale surfaces—the common cold’s frequency bows before the might of vitamin C when blood levels dipped below 45 umol/L. A revelation stands—the surge to 1,000 mg daily guards against the erosion of vitamin C within immune cells during infection.

Vitamin C and Healing: A Saga Unveiled

Lungs echo a tale—pneumonia, lung infections, and healing find a companion in vitamin C. In the corridors of research, a voice emerges, echoing the impact. A study’s essence encapsulated—vitamin C, a savior for pneumonia’s severity. The narrative deepens—500-1600 mg daily steers a 36% reduction in hospital stay, a symphony of recovery orchestrated by vitamin C’s touch.

Immunity and Allergies: A Dance Unveiled

Histamine, the orchestrator of allergies, takes center stage. Vitamin C emerges—a beacon of hope for allergic souls. A range of 125-2,000 mg daily quells histamine’s surge, soothing allergic turmoil. The crescendo peaks—an infusion of 7,500 mg embarks on a transformative journey, quelling histamine’s storm within immune cells—eosinophils, basophils, and mast cells.

Type 2 Diabetes and Beyond: A Chronicle of Healing

Type 2 diabetes unveils its nexus with vitamin C—a dance of suppressed inflammation, balanced blood sugar, and renewed healing. The script inscribed—500 mg twice daily, a symphony to mend not just blood sugar, but also immunity.

Epilogue: Weaving Immunity’s Tapestry

As we conclude this voyage, a tapestry of wisdom adorns our path. Immunity’s guardian, vitamin C, threads through our tale, its impact echoing through studies and revelations. An ode to health and longevity, a chorus that weaves a life enriched by immune strength, stands as the testament of our choices. Yet, wisdom whispers—consult your guide, your physician, as the path towards health weaves through a nuanced landscape.


Carr A and Maggin S. Vitamin C and immune function. Nutrients. 2017 Nov.9(11):1211 [Link](

Eat Smart, Live Well, Look Great,

Dr. James Meschino

Dr. James Meschino


Dr. James Meschino, DC, MS, ROHP, is an educator, author, and researcher having lectured to thousands of healthcare professionals across North America. He holds a Master’s Degree in Science with specialties in human nutrition and biology and is recognized as an expert in the field of nutrition, anti-aging, fitness, and wellness as well as the author of numerous books.

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