Lactose intolerance is not an allergy, because it is not an immune response, but rather a problem with digestion caused by lactase deficiency.
There are many individuals who are unable to tolerate dairy products because of lactose intolerance.
As the bowel becomes more damaged, a degree of lactose intolerance may develop.
Lactose intolerance, then, is partly cultural, partly biological.
It is often helpful to sufferers of lactose intolerance, whose digestive systems lack the enzymes to break down lactose to simpler sugars.
Lactose intolerance may be present due to the decreased bowel surface and reduced production of lactase but typically resolves once the condition is treated.
It does not contain gluten or lactose, making it suitable for people with coeliac disease or lactose intolerance.
A variety of products are available which contain milk substitutes, so those foods are still able to be consumed by individuals with a lactose intolerance.