intrinsic factor

How Do You Know If You Lack Intrinsic Factor?

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How Do You Know If You Lack Intrinsic Factor? Most cases result from the lack of the gastric protein known as intrinsic factor, without which vitamin B12 cannot be absorbed. The symptoms of pernicious anemia may include weakness, fatigue, an upset stomach, an abnormally rapid heartbeat (tachycardia), and/or chest pains. What can cause a lack

What Is The Relationship Between Intrinsic Factor And Vitamin B12?

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What Is The Relationship Between Intrinsic Factor And Vitamin B12? Intrinsic factor binds to vitamin B12. After attaching, intrinsic factor and B12 travel to the intestines to be absorbed into the bloodstream. Vitamin B12 is needed for red blood cells to form and grow. Some people do not make enough intrinsic factor or have a