9 Factors That Affect How Insulin Works

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Using insulin

Insulin is a life-saving drug that can take over or supplement the role of natural insulin, which normally controls blood sugar.

However, taking insulin can be tricky. A surprising number of factors can affect the drug's ability to reduce blood sugar.

If you’re on insulin, here are some questions you should ask yourself to help determine the impact of this powerful medication.

Next: How much did you inject?