Last updated: September 27, 2026 [Key Takeaways] Iron-containing multivitamin gummies are considered one of the most dangerous over-the-counter products for young children when swallowed in large amounts. Emergency warning signs after a possible overdose can include repeated vomiting, drowsiness, or trouble breathing and call for immediate medical attention. The national Poison Control hotline (1-800-222-1222) is available around the clock for guidance on a suspected supplement overdose. Storing gummy vitamins out of reach and never calling them "candy" may help reduce the chance of accidental ingestion. Children who already take iron supplements, have kidney or liver conditions, or use certain acne medications may face added risk when also given multivitamin gummies. This article is intended for general informational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Please consult a licensed healthcare professional reg...
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