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Scientists Figured Out a Diet That Helps You Lose Weight Without Cutting Calories

The NiMe diet also reduces the risk of chronic diseases like

chicken and bean chili in a bright yellow pot
Shutterstock

Eating in a calorie deficit—consuming fewer calories than you burn off—is a surefire way to lose weight. However, if you've ever gone on a calorie-counting journey, you know how mentally exhausting this can be, logging every bite you take and being unable to enjoy your meals in the moment. Plus, eating so few calories can mean you're missing out on vital nutrients. This is where the NiMe diet comes in.

Short for Non-industrialised Microbiome Restore, the NiMe diet was recently discovered by scientists who sought to understand the difference between the gut microbiome of people following a Western diet and those in rural locations who don't have access to high-fat and highly processed foods. When their participants followed the new diet, they didn't consume fewer calories, but they did lose weight and reduce their risk of chronic health conditions.


RELATED: The 3 "Ultraprocessed" Foods You Must Avoid for a Longer Life, 30-Year Study Finds.

What is the NiMe diet?

Researchers introduced the NiMe diet in a new study published in the journal Cell. It is based on their previous research that found people living in rural Papua New Guinea—who follow a non-industrialized/non-Western diet—had a more diverse gut microbiome, rich in healthy bacteria that thrive in the presence of fiber and low in pro-inflammatory bacteria.

According to a press release, the diet has the following four characteristics:

  • Plant-based focus, but not vegetarian: Primarily made up of vegetables, legumes, and other whole-plant foods. One small serving of animal protein per day (salmon, chicken, or pork).
  • No dairy, beef, or wheat: Excluded simply because they are not part of the traditional foods consumed by rural Papua New Guineans.
  • Very low in processed foods that are high in sugar and saturated fat.
  • Fiber-rich: Fiber content was 22 grams per 1,000 calories—exceeding current dietary recommendations.
"Industrialisation has drastically impacted our gut microbiome, likely increasing the risk of chronic diseases," explained Professor Jens Walter, a leading scientist at University College Cork, a principal investigator at APC Microbiome Ireland, and an author of the study. "To counter this, we developed a diet that mimics traditional, non-industrialized dietary habits and is compatible with our understanding on diet-microbiome interactions."
"In a strictly controlled human trial, participants followed this diet and consumed L. reuteri, a beneficial bacterium prevalent in the gut of Papua New Guineans but rarely found in the industrialized microbiome," she added.

RELATED: This Superfood Can Help Prevent Heart Disease, Weight Gain, and More—But You're Probably Not Eating It.

How does the NiMe diet help with weight loss?

There are several ways in which your gut microbiome can affect your weight. As GoodRx explains, it "influences how food is digested and absorbed and how dietary fats are stored in your body," and it "may also impact the production of hunger hormones, such as ghrelin, which control if you feel hungry or full."
Moreover, an unhealthy gut can cause inflammation, a known cause of weight gain.
Therefore, when the NiMe diet stabilizes the gut microbiome, weight loss is a natural outcome. In fact, the press release states that scientists observed the following changes in participants who followed the diet for just three weeks:
  • Weight loss
  • Decrease in bad cholesterol by 17 percent
  • Reduction in blood sugar by 6 percent
  • Reduction in C-reactive Protein (a marker of inflammation and heart disease) by 14 percent

"This study shows that we can target the gut microbiome through specific diets to improve health and reduce disease risk," shared Professor Paul Ross, director of APC Microbiome Ireland. "These findings could shape future dietary guidelines and inspire the development of new food products and ingredients, as well as therapeutics, which target the microbiome."

RELATED: Adding 2 Key Things to Your Diet Can Help You Lose Nearly 13% of Body Weight, Study Shows.

How to get started with the NiMe diet:

If you're interested in following the NiMe diet, first check with your healthcare provider to see if it's an appropriate eating plan for you.

You can also follow the official NiMe diet on Instagram, where the researchers are busy sharing gut-friendly recipes such as baked pork tenderloin with roasted potatoes, Jerusalem artichokes, and coleslaw; yellow pea soup; and a breakfast hash.

You can also stock up on fiber-rich foods like whole grains, berries, green vegetables, nuts, beans, and legumes.

We offer the most up-to-date information from top experts, new research, and health agencies, but our content is not meant to be a substitute for professional guidance. When it comes to the medication you're taking or any other health questions you have, always consult your healthcare provider directly.

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Sources referenced in this article

Cell: Cardiometabolic benefits of a non-industrialized-type diet are linked to gut microbiome modulation