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Food & movement

Time-restricted eating: what the evidence says

Also known as:

Intermittent fasting, eating window

Eating within a daily window can help some people eat less, but trials show it works mainly by reducing calories.

Written and reviewed by Farhan Tahir, MD · Last reviewed

VIDEO LESSON

IN THE STUDIO
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ANIMATED EXPLAINER · TIME-RESTRICTED EATING
STEP 1 OF 4
A shorter window
Meals are compressed into fewer hours.

The evidence

In a 12-month randomized trial, time-restricted eating plus calorie restriction produced similar weight loss to calorie restriction alone. Benefits seem to come mostly from eating less.

Who it may suit

• People who find a clear eating window easier than counting

• Those who snack late at night

Cautions

• Not advised with a history of disordered eating

• Use caution with insulin or sulfonylureas because of low blood sugar risk

• Protect protein intake within the window

Educational content only, written and reviewed by Farhan Tahir, MD. It does not replace individual medical advice. For sudden chest pain, trouble breathing or stroke symptoms, call 911.

AT A GLANCE

Category

Food & movement

Also known as

Intermittent fasting, eating window

Reviewed by

Farhan Tahir, MD

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Dr. Tahir’s team offers consults through Youthful Medicine.