If you’re on GLP-1 drugs and plan to fast for Yom Kippur, here’s what you need to know

Most people on GLP-1 drugs can safely fast for Yom Kippur or other religious observances, but they may need to plan ahead, take certain precautions or be ready to call it quits if they feel ill.

By: Reed Berger-Fleishman, University of Illinois Chicago, The Conversation

Outlets: The Conversation

Published: September 16, 2026

Words: 1,454

Last Updated: 1 month ago

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By Reed Berger-Fleishman, University of Illinois Chicago

Millions of people worldwide – as many as 1 in 8 adults in the U.S. – are on GLP-1 medication, such as Ozempic, Mounjaro, Wegovy and Zepbound, for treating diabetes or for weight loss.

These drugs are adding a medical twist to religious observances that involve fasting, such as the Jewish holiday of Yom Kippur, which will be observed from sundown on Sept. 20 until nightfall …

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