ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.
Overview
They work faster and more reliably than candy or chocolate.
What it's used for
- Treating mild to moderate low blood sugar
How to take it
- Take 15 grams (often 4 tablets), wait 15 minutes, and recheck.
- Repeat if still below 70 mg/dL, then eat a snack.
- Never give food or drink to someone who can't swallow safely; use glucagon and call 911.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Nausea if too much is taken
Call 911A low that doesn't improve after 2 treatments, or confusion, seizure, or passing out
Warnings
- Keep them with you if you take insulin or sulfonylureas.
Other medicines, foods, and alcohol
- None.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Safe in pregnancy.
Missed doses, overdose, and storage
If you miss a dose
Not applicable: used as needed for lows.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Glucose tablets and gel (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.