July 17, 2024

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Two Weeks on Keto Diet: Rapid Immune System Transformation Revealed

Two Weeks on Keto Diet: Rapid Immune System Transformation Revealed



Two Weeks on Keto Diet: Rapid Immune System Transformation Revealed

Just 2 weeks on a ketogenic diet can rapidly alter the immune system, significantly upregulating adaptive immunity.

The ketogenic diet (Keto Diet) is a dietary regimen characterized by high fat, low carbohydrate, and appropriate ratios of protein and other nutrients. In recent years, the ketogenic diet has surged in popularity, particularly among individuals seeking weight loss, becoming a pinnacle in the realm of weight loss.

When individuals adopt the ketogenic diet, the low intake of carbohydrates reduces blood sugar sources, forcing the body into a state of “mimicked starvation.” During this phase, the body extensively breaks down fats to provide energy, ultimately leading the body into a state of accelerated fat burning, thereby achieving the desired weight loss effects.

Nutritional intake has a wide-ranging impact on physiological processes, including regulating our immune system. Despite the potential of dietary interventions in preventing and treating diseases, the exact influence of nutrition on human immune response remains largely unknown.

On January 30, 2024, researchers from the National Institutes of Health in the United States published a study titled “Differential peripheral immune signatures elicited by vegan versus ketogenic diets in humans” in the journal “Nature Medicine.”

This clinical trial demonstrated that just two weeks of dietary changes could rapidly alter the immune system. The two-week ketogenic diet was associated with significant upregulation of pathways related to adaptive immunity and cell enrichment. In contrast, a two-week vegan diet significantly impacted the innate immune system, including upregulation of pathways associated with antiviral immunity.

Two Weeks on Keto Diet: Rapid Immune System Transformation Revealed

The immune system serves as a defense mechanism in our bodies, helping us combat various threats, including bacteria, viruses, allergens, and cancer.

As is widely known, the mammalian immune system comprises two main components: the more primitive, short-duration innate immune system, and the longer-lasting acquired adaptive immune system. When the body becomes ill or is vaccinated, the adaptive immune system comes into play, enabling the body to resist infections for a prolonged period. Although the innate immune cells persist for a short duration, they possess memory, storing it within the stem cells in the bone marrow.

In this study, researchers analyzed 20 participants who adhered to either a vegan or ketogenic diet for two consecutive weeks. Throughout the study period, various samples such as blood, urine, and feces were collected from the participants. Through multi-omics approaches, the researchers analyzed the effects of both diets and dietary transitions on host immunity and microbiota.

The ketogenic diet, characterized by high fat and low carbohydrates (75.8% fat, 10% carbohydrates), led to significant upregulation of pathways associated with adaptive immunity, such as those related to T cells and B cells. In contrast, the vegan diet significantly affected the innate immune system, including pathways associated with antiviral immunity.

Furthermore, both diets significantly impacted protein levels, with the ketogenic diet affecting higher levels of proteins in plasma and more widespread tissues such as the brain and bone marrow compared to the vegan diet. The vegan diet promoted pathways associated with red blood cells, including those involved in hemoglobin metabolism, likely due to its higher iron content.

Moreover, participants in different diet groups exhibited significant changes in gut microbiota, and the diets also altered the host’s amino acid and lipid metabolism.

The researchers stated that this study is the first to investigate the effects of ketogenic and vegan diets on humans using multi-omics approaches. In various participants, a two-week dietary intervention was sufficient to significantly alter host immunity. However, further research is needed to determine whether these changes are beneficial or harmful and what impact they may have on diseases such as cancer or inflammation.

In conclusion, this study demonstrates that just two weeks of dietary changes can rapidly alter the immune system and reveal the differing impacts of ketogenic and vegan diets, further highlighting the enormous potential of dietary interventions in improving human health and mitigating diseases.

Paper Link: https://doi.org/10.1038/s41591-023-02761-2

Two Weeks on Keto Diet: Rapid Immune System Transformation Revealed

(source:internet, reference only)


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