Why insulin is not administered orally to diabetic patient? | CGP Edu

Biology Biotechnology and Its Application All Topic Question For Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 26, 2026

Why insulin is not administered orally to diabetic patient?

A

It is bitter in taste

B

It is peptide & can be digested

C

It will lead to sudden decrease in blood sugar if given orally

D

It leads to peptic ulcer if given orally

Text Solution

Verified by Experts

The correct answer is:

Insulin is a protein (peptide hormone). If taken orally, it gets digested by proteolytic enzymes in the stomach and intestine, so it becomes inactive before reaching the blood.

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