Vitamin E deficiency is rare. In the United States, deficiency is limited primarily to people with an inborn deficiency of alpha-TTP and to those who have fat malabsorption syndromes, and hence cannot absorb fat-soluble vitamins.
Malabsorption syndromes that prevent the proper absorption of nutrients can cause vitamin K deficiencies. Malabsorption is the inability to absorb dietary food. Mucosal barrier to absorption: disease of small intestine. Malabsorption constitutes the pathological interference with the normal physiological sequence of digestion (intraluminal process), absorption (mucosal process) and transport (postmucosal events) of nutrients.
Vitamin K deficiency is seen in patients with malabsorption syndromes such as pancreatitis, short bowel syndrome, sprue, or small bowel states of bacterial overgrowth such as sometimes accompany use of broad-spectrum antibiotics. It also can be seen in patients with extremely poor dietary intake of green leafy vegetables.
Vitamin K is fat-soluble and therefore requires bile salts for absorption from the jejunum. Biliary obstruction, malabsorption syndromes, gastrointestinal obstruction, or rapid gastrointestinal transit can result in vitamin K deficiency because of inadequate absorption.
Malabsorption syndromes can cause vitamin K deficiencies
Nutrition is a scientific discipline that encompasses a structured body of knowledge. It includes various fields such as clinical nutrition, community nutrition, public health, food policy, and food science. At its core, nutrition is the study of how the body utilizes food. It is essential to life. Understanding nutrition enables us to make better dietary choices by determining the necessary nutrient intake, identifying optimal food sources, and recognizing beneficial or harmful food components.
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