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Science fact-checking · Jul 22, 2026People with type 2 diabetes who ate only within a 12-hour window lowered their blood sugar more than those who just ate less without fasting. Those who fasted intermittently also saw better fasting glucose levels — but Ramadan fasting sometimes worsened blood sugar, not improved it. https://fitbodyscience.com/post/bluesky/thelancetendo.bsky.social/post-3mpdnsgr?utm_source=social_reply&utm_medium=bluesky&utm_campaign=autopost
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Scientific verdict1 claim checked
There's disagreement
Studies point in different directions — there's no clear consensus yet.
81Supports
50Challenges
The breakdown
Intermittent fasting might be a legit tool for managing type 2 diabetes — but it’s not a magic fix.
Other research shows that people with type 2 diabetes who ate within a 12-hour window and cut overall calories saw better blood sugar control than those who only ate less without fasting. Another study found similar improvements in average blood sugar and fasting glucose with intermittent fasting. But there’s also evidence that fasting during Ramadan didn’t consistently help — some people’s blood sugar got worse, not better. That means the benefits aren’t guaranteed for everyone, and how, when, and why you fast might matter a lot.
Bottom line
If you’re thinking about trying intermittent fasting for diabetes, it could help — but it’s not a one-size-fits-all solution, and it might not work for everyone.
ReliabilityThe evidence mostly supports this with some caveats
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Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.