Top 5 Weight-Loss Programs

Let’s take a closer look at weight loss programs and what it genuinely offers.

According to the National Institutes of Health, “more than 70 percent of U.S. adults are overweight or have obesity — and many of them try to lose the extra pounds through different kinds of weight-loss programs.” With so many programs on the market, how do you narrow the field down to the ones actually worth your time?

After reviewing hundreds of weight loss programs, here are five of the top weight-loss programs worth considering, spanning app-based coaching, medically backed plans, and popular diet frameworks.

#1 Noom

Near the top of the list is a program that genuinely surprised us. Noom leans heavily on the psychology of weight loss, with an app built around a personalized plan, customized menus, one-on-one human coaching from a real person, and a community of people navigating the same journey.

Research shows Noom users lose more weight and progress into the maintenance phase significantly more often than traditional dieters, according to a study in JMIR mHealth and uHealth. Much of Noom’s success comes down to how the app and coaching teach sustainable eating through expert articles and resources — weight loss becomes a natural byproduct of better habits, not a rigid program restricting every food choice.

#2 Mayo Clinic Diet

The Mayo Clinic Diet has been around for decades, built on lifestyle changes designed to be genuinely sustainable long-term. It focuses on gradually breaking bad habits and building healthier ones into your daily routine.

Sustainability sits at the core of this program, which is exactly what makes it genuinely useful for long-term dieters.

#3 The Flexitarian Diet by Dawn Jackson Blatner

Dawn Jackson (DJ) Blatner created the Flexitarian Diet, a “mostly vegetarian way to lose weight.” The program has earned praise from respected names in nutrition, including Joy Bauer, MS, RD, CDN (Today show dietitian) and Frances Largeman-Roth, RD (Health Magazine).

The plan centers on mostly vegetables, with occasional meat or fish worked in.

#4 Paleo Diet

Taking things back to the Paleolithic era, this low-carb diet is built around eating the way our ancestors did for centuries — if it could be hunted or gathered, it’s fair game.

The diet leans on fruits, vegetables, lean meats, and nuts as rich sources of vitamins and nutrients.

#5 Keto Diet

The keto diet puts a modern spin on the classic low-carb approach, and its popularity has genuinely exploded, with followers eating lean meats, nutrient-rich vegetables, and healthy fats. Several keto variations exist, giving people flexibility to follow the plan in a way that suits their specific needs.

That flexibility is part of why keto tends to have staying power for long-term results.

As of 2014, the U.S. obesity rate stood at 35% for men and 40% for women, according to a 2016 study in the Journal of the American Medical Association — and those numbers have only climbed since.

Weight Loss Programs: Choosing Among the Top Weight-Loss Programs

The best of these weight loss programs share a common thread: genuine, sustainable behavior change rather than short-term restriction. App-based weight loss programs like Noom lean on daily coaching and psychology-driven habit change, while structured plans like the Mayo Clinic Diet emphasize long-term lifestyle shifts backed by decades of clinical experience. More food-focused weight loss programs, including the Flexitarian, Paleo, and Keto diets, work by redefining what a normal plate looks like, whether that means more plants, ancestral whole foods, or a low-carb, high-fat approach.

No single option among these weight loss programs works identically for everyone, so it is worth weighing your own preferences, budget, and how much structure or flexibility you personally need before committing. Whichever program you choose, learning how to eat, move, and live in a way that lasts well beyond any single diet is what ultimately determines long-term success.

Explore more Weight Loss Diet reviews and guides on our site.

For general guidance on healthy weight management, see the resources available from Mayo Clinic.