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Eating Time Can Seriously Affect Metabolic Health, New Study Says

Author:

Morgan Chamberlain

October 26, 2023

Former mbg Supplement Editor

By Morgan Chamberlain

Former mbg Supplement Editor

Morgan Chamberlain is mindbodygreen's former supplement editor. She graduated from Syracuse University with a Bachelor of Science degree in magazine journalism and a minor in nutrition.

Image by BONNINSTUDIO / Stocksy

October 26, 2023

You've likely heard recommendations from health experts surrounding the timing of meals. Whether your endocrinologist has encouraged eating breakfast within an hour of waking for healthy blood sugar balance or your dietitian has suggested giving your body ample time to digest food before you go to sleep, the topic of when we eat seems to have an impact on metabolism.

A scientific link between obesity and late eating is well established, but the exact mechanism of this association has somewhat stumped scientists. Evidently, the timing of meals 1 may have a larger impact on metabolic health than we thought, according to a new study from Cell Metabolism.

The study design

metabolism+

The goal of the study was to determine how eating time affects appetite, energy balance, and adipose (fat) tissue dynamics in adults with overweight and obesity.

Researchers from Harvard University, University of Chicago, and other academic institutions designed a robust randomized controlled trial that controlled nutrient intake, physical activity, sleep, and even light exposure to determine the impact of late versus early eating.

How meal timing impacts metabolism

When compared to early eating (i.e., beginning meal intake one hour after waking up in the morning), late eating (i.e., beginning meals five hours after waking) led to:

Increased hunger
Decreased leptin (a key hormone that tells us when we're full/satiated)
Reduced energy expenditure (aka calorie burn)
Changes in gene expression (i.e., DNA) tied to increased fat storage

In other words? Eating later is the perfect storm for metabolic health issues. For those with adiposity concerns, delaying meals (especially breakfast!) may contribute to appetite disregulation and energy balance challenges.

The takeaway

Metabolic health is complex and nuanced, to say the least. This groundbreaking study shows that the timing of meals is a more significant factor in maintaining a healthy metabolism than previously thought.

That said, changing the timing of meals isn't the only way to support a healthy, active metabolism. For individuals looking for science-backed and targeted nutritional support, a holistic metabolism supplement like mindbodygreen's metabolism+ (which includes clinically researched botanicals like cayenne pepper, veld grape, and EGCG and caffeine from green tea) can help optimize metabolic efficiency, activate calorie burn and fat metabolism, and support energy balance and satiety.*

If you are pregnant, breastfeeding, or taking medications, consult with your doctor before starting a supplement routine. It is always optimal to consult with a health care provider when considering what supplements are right for you.