Why can’t insulin be given orally to diabetic patients?

Options

1. Human body will elicit strong immune response
2. It will be digested in Gastro-Intestinal (GI) tract
3. Because of structural variation
4. Its bioavailability will be increased

Correct Answer

It will be digested in Gastro-Intestinal (GI) tract

Explanation

Being a protein hormone, insulin gets digested by proteolytic enzymes in the GI tract; hence it is given via injection.

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