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Gut microbiome and Vitamin D absorbtion



The human gut is home to trillions of microorganisms, collectively known as the gut microbiota. These microorganisms play a crucial role in various bodily functions, including digestion, immunity, and metabolism. However, an imbalanced gut microbiota can lead to various health issues, including malabsorption of vitamins and minerals. One such nutrient that can be affected by gut bacteria is vitamin D. In this article, we will explore the role of gut bacteria in blocking vitamin D absorption.


Vitamin D is an essential nutrient that plays a crucial role in maintaining bone health, supporting immune function, and regulating cell growth and differentiation. The primary source of vitamin D is sunlight, but it can also be obtained from dietary sources such as fatty fish, egg yolks, and fortified foods. However, even if one has sufficient vitamin D intake, its absorption can be blocked by certain gut bacteria.


Recent studies have shown that certain gut bacteria can interfere with vitamin D absorption by producing an enzyme called beta-glucuronidase. Beta-glucuronidase breaks down the vitamin D compound into inactive forms that cannot be absorbed and utilized by the body. This enzyme can also disrupt the enterohepatic circulation of vitamin D, which is the process by which the body recycles vitamin D for reuse.


One group of bacteria that has been found to produce beta-glucuronidase is the genus Bacteroides. Bacteroides are a group of gram-negative bacteria that are commonly found in the gut microbiota. Studies have shown that individuals with higher levels of Bacteroides in their gut have lower levels of active vitamin D in their blood.


Another group of bacteria that has been found to interfere with vitamin D absorption is the genus Prevotella. Prevotella are gram-negative bacteria that are also commonly found in the gut microbiota. Studies have shown that individuals with higher levels of Prevotella in their gut have lower levels of active vitamin D in their blood.


While certain gut bacteria can interfere with vitamin D absorption, other gut bacteria can promote its absorption. For example, the genus Lactobacillus has been found to increase the absorption of vitamin D by up to 20%.


So, what can you do to ensure optimal vitamin D absorption in the presence of gut bacteria that block it? One approach is to focus on maintaining a healthy gut microbiota. Eating a diet rich in fiber and fermented foods can promote the growth of beneficial gut bacteria that promote vitamin D absorption. Additionally, taking probiotics or prebiotics may also help promote a healthy gut microbiota.


In conclusion, gut bacteria play a crucial role in vitamin D absorption. Certain gut bacteria, such as Bacteroides and Prevotella, can interfere with vitamin D absorption by producing beta-glucuronidase. However, other gut bacteria, such as Lactobacillus, can promote vitamin D absorption. Maintaining a healthy gut microbiota through diet and probiotics may help promote optimal vitamin D absorption.


Nostra:Biome offers microbiome modulation and makes sure each individual is brought to a normal configuration where Vitamin D absorbtion is no longer problematic.

www.nostrabiome.com

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