Key Takeaways

Fasting can help lower blood sugar and improve insulin sensitivity.

There are different types of fasting, like intermittent fasting, which may help manage blood sugar.

Fasting can have risks, including low energy and disrupted eating patterns.

Many factors affect your blood sugar levels, including how often you eat. Fasting may lower your blood sugar, but it’s best to check with your healthcare provider before starting a fasting routine.

How Fasting Affects Blood Sugar

During fasting, blood sugar and insulin levels drop, prompting the pancreas to release glucagon, according to Kimberly Prado, DNP, APN , a clinical associate professor at Rutgers University School of Nursing.

“This hormone signals the liver to break down stored sugar, or glycogen, and as fasting contin

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