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Lactic intolerance linked to lower vitamin D levels — Medical News Today


A new study suggests that people with a genetic intolerance to lactose ought to increase their intake of non-dairy meals rich in vitamin D, after finding that they may be more likely to have low levels of the essential nutrient.

Study co-author Ahmed El-Sohemy, a professor associated with nutrition at the University of Toronto’s Faculty of Medicine in North america, and colleagues recently reported their own findings in the Journal of Nutrition .

Lactose intolerance is defined as the body’s inability to effectively digest lactose, a sugar found in dairy products, including milk, butter, and cheese.

The problem occurs when the small intestine fails to produce sufficient amounts of lactase, that is the enzyme that breaks down lactose.

If a person along with lactose intolerance consumes dairy products, they may encounter bloating, flatulence, diarrhea, nausea, and abdominal pain. These symptoms usually arise around 30 minutes to 2 hours after lactose consumption.

It really is unclear precisely how many people are living along with lactose intolerance, but estimates suggest that around 65 percent of the population encounter a reduced ability to digest lactose following infancy.

One reason for lactose intolerance is mutations in the LCT gene, which is the gene responsible for lactase production.


Individuals with lactose intolerance should be aware of vitamin D intake

From an analysis of 1, 495 men and women who were a part of the particular Toronto Nutrigenomics and Health Research, El-Sohemy and colleagues found that individuals who possessed LCT gene variations had a lower intake of dairy products, compared with the general population.

Individuals with LCT gene variations also had lower blood amounts of vitamin D, which the team says is likely down to reduced intake of dairy products, since these are often fortified along with vitamin D.

“We were not surprised that lactose intolerant people ate less dairy, inch says El-Sohemy, “but we were surprised that they did not compensate by supplementing your or eating other foods fortified with this crucial nutrient. ”

Vitamin D is considered essential for the particular absorption of calcium in the gut, which is important for good bone wellness. The vitamin also aids nerve functioning and helps the body in order to stave off bacteria and viruses.

Interestingly, the scientists found that people with LCT gene mutations were shorter than people in the general population, which indicates that reduced intake of calciferol through lack of dairy consumption might be inhibiting bone growth.

El-Sohemy and colleagues declare their findings suggest that people with lactic intolerance should consider increasing their intake of vitamin D through non-dairy food sources.


These findings speak to the need for greater awareness for those who limit dairy because of lactose intolerance. They need to be mindful of obtaining enough vitamin D from other fortified meals like certain brands of orange juice, or to consider trying lactose-free dairy products. ”

Ahmed El-Sohemy

Another getting of the study was that individuals with just one mutated copy of LCT shown an intolerance to lactose, yet to lesser degree than those with two mutated copies; it was previously thought that two mutated copies of the gene were required for lactose intolerance to arise.

According to the experts, this finding indicates that scientific definitions and genetic classifications just for lactose intolerance may need to be reviewed.

Learn how sunscreen may lead to vitamin D deficiency.


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