Omad (One Meal A Day)

Definition

OMAD, or One Meal a Day, is a type of intermittent fasting where an individual consumes all their daily calorie intake in a single meal.

Scientific / Technical Definition

OMAD, or One Meal a Day, is a variant of intermittent fasting that involves eating all of the day's calories in one sitting, typically within a one-hour window. This practice is believed to enhance autophagy, improve metabolic flexibility, and potentially aid in weight management by restricting total calorie intake.

Benefits

• May aid in weight loss
• Can promote autophagy
• May improve insulin sensitivity
• Could enhance mental clarity

Examples

• Eating a large dinner as the sole meal of the day
• Combining breakfast and lunch into one meal in the late afternoon

Additional Information

• Side effects: Potential side effects include increased hunger, nutritional deficiencies if meals are not well-balanced, and decreased energy levels.

Related Terms

• Intermittent Fasting
• 16/8 Fasting
• Alternate Day Fasting
• Calorie Restriction
• Metabolic Flexibility

References

• Effects of Intermittent Fasting on Health, Aging, and Disease
• Intermittent fasting interventions for treatment of overweight and obesity in adults: a systematic review and meta-analysis