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AhaBulb: Stuff Everyone Should Know · ahabulb.com/diab-glucagon-liver

Glucagon is used for severe lows. How does it raise blood sugar?

It makes the liver release its stored glucose into the blood.

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  1. It makes the liver release stored glucose ✔
  2. It adds extra insulin to the blood
  3. It slows down the heartbeat

Why: Glucagon is a hormone that tells the liver to release its stored sugar. It's for severe lows, when someone can't safely eat or drink or the 15-15 rule isn't working.

Huh, didn't know that: Ready-to-use glucagon comes as a nasal powder or a premixed pen, and older kits need mixing first.

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References

Answer: It makes the liver release stored glucose. Glucagon is a hormone that tells the liver to release its stored sugar. It's for severe lows, when someone can't safely eat or drink or the 15-15 rule isn't working.

  1. ADA, Severe Hypoglycemia diabetes.org/living-with-diabetes/hypoglycemia-low-blood-glucose/severe
    It quickly raises blood glucose levels by causing the liver to release the glucose it stores into your bloodstream.
    Checked 2026-10-09.

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