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Weight loss: Choosing a diet that’s right for you

You’ve likely seen lots of advice about weight loss. Some magazines, books and websites promise that you can lose all the weight you want for good. To do this, they may suggest that you use diets that get rid of fat or carbs. Or use superfoods or special supplements.

With so many options, how do you know which approach might work for you? Here are some suggestions for choosing a weight-loss program.

Before you start a weight-loss program, talk with your healthcare professional. Together, you can go over your health issues and the medicines you take that might affect your weight.

Your healthcare professional can guide you to help you choose a program that’s right for you. You also can ask for advice on how to exercise safely. This is important if you have health or physical challenges, or pain with daily tasks.

Tell your healthcare professional about your past efforts to lose weight. Be open about diets that interest you. Your healthcare professional might be able to connect you with weight-loss support groups or refer you to a registered dietitian.

There’s no one diet or weight-loss plan for everyone. Think about your lifestyle and weight-loss goals. Pick a plan that you can tailor to your needs.

Before you start a weight-loss program, think about:

It’s tempting to buy into promises of fast and amazing weight loss. But a slow and steady program is simpler to keep up. And it often beats fast weight loss for the long term. Many experts suggest aiming to lose 0.5 to 2 pounds (0.2 to 0.9 kilograms) a week.

Faster weight loss can be safe if it’s done right. One example is a very low-calorie diet that you do under the guidance of a healthcare professional.

Successful weight loss takes a long-term commitment to making healthy lifestyle changes in eating, exercise and behavior. For instance, it’s important to:

Be sure to pick a weight-loss plan that you can live with. Look for these features:

The table below lists some of the more common eating plans. There’s overlap, but most plans can be grouped into a few major types of diets.

Studies have compared different diets and weight-loss programs. They’ve found that most programs lead to weight loss in the short term compared with no program. Weight-loss differences between diets are often small.

Diet type and examples Varied Balanced in nutrition Doable over the long term
DASH = Dietary Approaches to Stop Hypertension, HMR = Health Management Resources.
Balanced (DASH, Mayo Clinic, Mediterranean, WeightWatchers) Yes. No foods are off-limits. Yes. Yes. Focus is on making lasting lifestyle changes.
Intermittent fasting (alternate-day fasting, time-restricted feeding) Yes. No foods are off-limits. But you don’t eat for a set amount of time each day or week. Yes. Maybe. But the diet may be hard to stick to over time.
High protein (Dukan, Paleo) No. Stresses lean meats, dairy. Very restrictive plans may not provide enough of some nutrients. Maybe. But the diet may be hard to stick to over time.
Low carb (Atkins, South Beach, keto) No. Carbs are limited; fats or proteins or both are stressed. Very restrictive plans may not provide enough of some nutrients. Maybe. But the diet may be hard to stick to over time.
Low fat (Ornish) No. Total fat is limited; most animal products are off-limits. Yes. Maybe. But the diet may be hard to stick to over time.
Meal replacement (Jenny Craig, HMR, Medifast, Nutrisystem, SlimFast) No. Replacement products take the place of 1 or 2 meals a day. Maybe. Balance is possible if you make healthy meal choices. Maybe. Cost of products varies; some can be very expensive.
Very low calorie (Optifast) No. Calories are very limited, often to 800 or fewer calories a day. No. No. Diet is meant only for short-term use under a healthcare professional’s guidance.

Before you dive into a weight-loss plan, take time to learn as much about it as you can. Just because a diet is popular or your friends are doing it doesn’t mean it’s right for you. Ask these questions first:

Successful weight loss requires long-term changes to your eating habits and physical activity. This means you need to find a weight-loss approach you can embrace for life. You’re not likely to keep off the weight you lose if you stop the diet and go back to old habits.

Diets that leave you feeling deprived or hungry can cause you to give up. And many weight-loss diets don’t focus on lasting lifestyle changes. So even if you do lose weight, the pounds can quickly come back once you stop dieting.

You’ll likely always have to watch your weight closely. But mixing a healthier diet with more activity is the best way to lose weight and keep it off. You’ll boost your overall health too.

© 1998-2024 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved.

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