How Low Vitamin D Levels Affect Gut Health?

By Vanshika Gaur
12 Apr 2025, 16:30 IST

Vitamin D is essential for the body as it helps support bone health, heart health, and strengthens the immune system. However, low vitamin D levels can cause several health issues, one of them being poor gut health. Tap to know how low vitamin D levels affect gut health !

Inflamed Gut

Vitamin D has anti-inflammatory properties; however, lack of it can cause chronic inflammation, leading to conditions, such as Crohn’s disease and more.

Increases Gut Infection Risk

Vitamin D has antimicrobial protein that helps keep the gut healthy. However, vitamin D deficiency can weaken the gut and increase the risk of infection.

Irritable Bowel Syndrome (IBS)

IBS is a digestive disorder that is commonly caused by vitamin D deficiency. It causes abdominal pain, bloating, gas, and more.

Weakens Gut Barrier

Low vitamin D can cause a leaky gut, which makes the toxins, undigested food, and more to enter the bloodstream.

Disrupts Gut Movement

Vitamin D deficiency can disrupt gut movement, making digestion slow and leading to bloating, constipation, and discomfort.

Slows Gut Healing

Vitamin D also helps tissue repair and cell regeneration; however, its deficiency can lead to slow gut healing.

Reduces Microbial Diversity

Low levels of vitamin D can promote growth of harmful bacteria in the gut while reducing good ones. This can lead to inflammation and reduced immune function.

Information Credits

According to PubMed, vitamin D deficiency can slow gut healing, disrupt gut movement, and cause other issues. It is advisable to consult a healthcare professional if you are experiencing low levels of vitamin D.