Insulin Cannot Be Taken Orally. Why

question 4

Multiple Choice

Insulin cannot be taken orally. Why?

• A) Insulin is a protein and would be broken down by the human digestive tract if taken orally.
• B) Oral insulin has been shown to lead to the development of severe peptic ulcers.
• C) Oral insulin does not control blood glucose levels in a consistent manner and is therefore very unreliable.
• D) Oral insulin takes too long to work in the body and is therefore ineffective in lowering blood glucose levels.

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