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Diet and Nutrition

What's Better: 3 Big Meals or Several Small Ones?

Brittany DoohanSanjai Sinha, MD
Written by Brittany Doohan | Reviewed by Sanjai Sinha, MD
Updated on November 5, 2025
Featuring Sharon Richter, RDReviewed by Sanjai Sinha, MD | November 5, 2025

Eating frequent mini meals throughout the day may keep you from getting too hungry between meals (and mindlessly eating later), but there’s little scientific evidence on how small meals actually boost your metabolism.

“The medical literature is mixed here. The answer probably depends more on your personal preference and what works for your lifestyle,” says Sharon Richter, RD, a registered dietitian based in New York City. Learn more tips for meal spacing.

References

Bellisle, F., et al. (1997). Meal frequency and energy balance. British Journal of Nutrition.

MedlinePlus. (2022). Can you boost your metabolism?

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Brittany Doohan
Written by:
Brittany Doohan
Brittany Doohan was the Content Director at HealthiNation and is currently the Editorial Director at Medscape. Through her work with Medscape, she won a Silver Telly Award in May 2022 for "Sleepless Nation: A Public Health Epidemic — Episode 2: A Decade Without a Diagnosis." She has worked in health journalism and video production for more than 8 years, and loves the challenge of explaining complex topics in an easy-to-understand and creative way.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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