The one meal a day (OMAD) diet is extreme intermittent fasting.

Intermittent fasting involves restricting your eating periods to certain times, usually to burn more fat and lose weight.

Its also been shown to improve certain biomarkers in people with health conditions likeinsulin sensitivity.

Woman eating Bi Bim Bap

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If you are considering the OMAD diet, speak with a healthcare provider.

The risk was particularly increased for people with cancer.

When Do Experts Say You Should Eat?

Theres technically no agreed-upon time when its best to fast on the OMAD diet.

Usually, people choose a schedule that works with their daily routine.

However, some experts recommend eating breakfast and fasting later in the day.

They can tailor an eating plan and schedule to fit your needs and preferences.

They can also perform a physical examination if necessary.

Its also not necessarily more effective for weight loss than simply restricting your calorie intake.

2023;15(2):e34722.

doi:10.7759/cureus.34722

American Heart Association.8-hour time-restricted eating linked to a 91% higher risk of cardiovascular death.

NIH MedlinePlus.5 questions about intermittent fasting.

American Diabetes Association.High morning blood glucose: Understanding and management.