You try to do the right things. You get outside when you can, pay attention to your diet, maybe even take supplements. Still, your energy dips, and something feels slightly off without a clear reason why.
It’s easy to blame the lack of sunlight. But for many people, the explanation runs deeper than time spent outdoors, according to Tuasaude.
Beyond sunlight
Vitamin D doesn’t become useful the moment it enters the body. It must first be absorbed in the gut, then processed in the liver, and finally activated in the kidneys.
If any part of this chain is disrupted, levels can remain low regardless of sun exposure or intake.
This helps explain why some people struggle with deficiency despite seemingly healthy habits.
Inside the gut
Research published in the journal Nutrients shows that people with digestive disorders often have significantly lower vitamin D levels.
Conditions affecting the intestinal lining can reduce the body’s ability to absorb fat-soluble nutrients.
At the same time, low vitamin D may worsen gut inflammation, creating a cycle that is difficult to reverse.
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A liver connection
The liver is essential for converting vitamin D into a form the body can use. Studies indexed in PubMed indicate that individuals with liver conditions are more likely to experience severe deficiencies.
When vitamin D levels don’t improve, it may be worth looking beyond lifestyle factors and examining internal health more closely.
Also read: How pistachios can affect your body if you eat them every day
This article is made and published by Mie Hermansen, who may have used AI in the preparation.