Now playing: Why insulin doesn't come in a pill

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Why insulin doesn't come in a pill

Have you ever wondered why insulin doesn't come in a pill? Insulin is a natural hormone, and that means it needs to be injected directly into your body. If you swallowed it as a pill, your body would digest it before it could do its job. So the next time you're taking a pill and wishing you could take insulin the same way, just remember that injections can be just as easy - they're quick, relatively painless, and they work right away!

Last modified: 2012-03-06