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How to Find the Weight-Loss Plan That Will Work for You

Bodies are not one-size-fits-all, and weight-loss plans aren't either. Here's how to find a personalized diet that fits your goals, health needs, and lifestyle.

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Weighing the options

In theory, losing weight should be easy: Eat fewer calories than you burn, and—presto!—the pounds will start to fall off. But as anyone who has ever tried to slim down knows, the reality is far more complicated.

"Humans are bio-individuals. Of course, we are all the same species, but we have vastly different nutrition and health needs because of varying factors such as age, gender, medication use, supplement use, physical activity level, medical conditions, sleep habits, allergies, intolerances, cultural preferences, schedules, budgets, and so on," says Monica Auslander Moreno, RD, a nutrition consultant for RSP Nutrition and founder of Essence Nutrition in Miami. "Choosing a dietary pattern that is appropriate for someone else may be wildly inappropriate, foolish, or downright dangerous for you."

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Special considerations

One of the best ways to find the right weight-loss plan for you is to take some time before you dive in to consider your goals, needs, and lifestyle. In order to do that, Amanda Montalvo, RD, a nutrition expert for Kettlebell Kitchen, suggests asking yourself some questions:

  • How much time and energy do you have to dedicate to a lifestyle change? Is a drastic overhaul realistic?
  • Do you have any health issues that might make it dangerous for you to experiment with dietary changes? (When in doubt, consult your physician.)
  • How physically active are you?
  • Is eating and drinking a big part of your social life, and are you willing to change that if a new diet requires it?
  • Do you have any dietary restrictions (food allergies, moral desire to be a vegetarian or vegan, etc.)?
  • Once you have a better grasp of these factors, you'll have a better sense of how these popular weight-loss plans will work for you.

Just keep an eye out for 8 red flags that you're following the wrong diet plan.

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If you hate the idea of cutting portion sizes


Consider: Keto
A low-carb, high-fat plan, the keto (ketogenic) diet started out as a short-term approach to help reduce seizures in children with epilepsy and manage blood sugar levels in people with poorly-controlled diabetes, says Gabby Geerts, RD, a dietitian at Green Chef. By cutting carbs and replacing them with fat, your body ends up in "ketosis"—a metabolic process in which the body must burn stored fat for energy.

Pros: People on the keto diet often report losing weight quickly, at least in the beginning. Check out these impressive before-and-after photos of keto dieters. There's no need to eat "low-fat" diet foods; in fact, you'll likely be eating more fat than you were before. Burning fat for fuel has been successful helping diabetics  control their blood sugar; some have reversed diabetes using the keto diet.

Cons: Trying to eliminate carbs can be difficult or dangerous for some people. If you exercise very intensely, steer clear, says Geerts. Children and pregnant women should also be cautious: "Extreme growth, repair, and energy are needed in these life cycles/stages, making carbohydrate restriction difficult," she says.

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If a back-to-basics approach sounds appealing


Consider: Paleo
The general principle behind the Paleo diet is that modern humans have strayed too far from the diet we evolved eating, and all these newfangled processed foods are making us sick and fat. The Paleo diet—aka Paleolithic diet, ancestral diet, caveman diet, Stone Age diet—entails eating meat, fish, produce, nuts, and seeds. If your pre-agricultural ancestors could obtain a food by hunting and gathering, it's on the menu.

Pros: Studies have shown that people who follow the Paleo diet tend to lose weight while improving their blood pressure, cholesterol, and glucose levels.

Cons: Most research on the Paleo diet has been limited to six months or fewer. Not only are most processed foods off-limits, but so are whole grains, dairy, legumes, and white potatoes. If you're a vegetarian, this plan probably isn't for you, says Geerts, because you'll struggle to get an adequate variety of nutrients.

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If you love animals and you like to cook


Consider: Vegan
While veganism—which entails shunning all animal products, including meat, fish, eggs, dairy, and honey—was never intended for weight loss, going vegan has been shown to have a myriad of health benefits, including weight loss.

Pros: Some research has suggested that people who become vegan lose more weight than those who opt to follow other types of weight-loss plans. By eliminating animal products, you automatically cut out most sources of saturated fat. Going vegan can also have a positive impact on the environment, and, obviously, the welfare of animals.

Cons: "A vegan diet can require more at home preparation and planning," says Geerts. "Also, if you travel regularly or eat out often, vegan options are usually less available." Moreno adds that a vegan diet can be too restrictive and, in turn, trigger or mask an eating disorder. If you decide to become vegan, Moreno suggests consulting with a registered dietitian for help getting proper nutrition during the transition. There's a tendency for vegans to run low on certain nutrients like Vitamin B12, which is found mostly in animal products; these are the 8 nutrients you may be missing if you're a vegan or a vegetarian.

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If you're a seafood lover


Consider: Mediterranean diet

Plenty of produce and lean protein (especially fish), along with some olive oil, whole grains, and a little red wine are staples of this plan.

Pros: Numerous studies have shown that the traditional Mediterranean diet is among the best in the world when it comes to reducing the risk of heart disease, cancer, and Alzheimer's. Since it's very well-balanced, most people find it satisfying. Major health organizations support it, and U.S. News & World Report named it number-one on its list of "Best Diets Overall" (for nutrition, not weight loss) out of 41 diets. People who stay committed to it tend to have a lower body mass index (BMI) as well as less abdominal obesity.

Cons: If you aren't a fan of seafood or vegetables, you'll likely have trouble sticking with it. Certain components of the diet, such as fish, may be expensive. Don't expect rapid or major weight loss. If that's a top concern, check out these plans that emphasize slimming down rapidly.

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If you're super busy


Consider: Medifast, SlimFast, or another plan that involves meal replacement shakes or bars
Depending on the plan, you'll skip one or more of your "regular" meals a day and sip a special shake or eat a bar instead. These replacement products are generally designed to keep you full while providing some essential nutrients.

Pros: A weight-loss plan that involves meal replacement products may be relatively easy to follow, especially if you're someone who's always eating on the go. If you're substantially overweight, it might also serve as a way to jump-start your loss. Studies on Medifast have shown that the program is usually well-tolerated.

Cons: Despite the convenience factor, most nutrition experts aren't fans. Relying on imitation "meals" might deprive you of adequate nutrition, plus it tends to be a short-term fix—the approach is hard to sustain in the long-run. Geerts has a suggestion: "Aim to keep these replacements to one per day, or, use them for emergency use only," when you're extra short on time. "I'll always encourage real food over blended!"

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If you have hypertension


Consider: DASH diet

Short for Dietary Approaches to Stop Hypertension, the DASH diet was initially created to help people with high blood pressure. It emphasizes fruits and vegetables, lean protein, low-fat dairy, fish, poultry, nuts, and some whole grains,. The standard DASH plan also limits sodium intake to 2,300 mg per day; a lower sodium option cuts it off at 1,500 mg daily.

Pros: As with the Mediterranean diet, most nutrition experts are fans of the DASH diet because it's an overall healthy approach to balanced eating. If you have hypertension or diabetes, it will likely help with those issues, says Geerts.

Cons: Following the DASH diet may help you shed some pounds, but it's not an official weight-loss plan. Don't expect to lose a lot of weight on it, at least not in the short-term.

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If you tend to eat your emotions


Consider: Mindful/intuitive eating
This isn't an eating plan, per say, but rather an approach that has been embraced by a growing number of health experts. One place to start is with guidelines from The Center for Mindful Eating: Key principles include making deliberate food choices, eating slowly and consciously (no scarfing down food while standing in front of the refrigerator), and engaging all of your senses while eating.

Pros: You can use this approach by itself or in conjunction with other plans. "Even if you want to eat in a way that leans a little more Paleo or keto, you will need to understand the underlying nutritional, emotional, and social aspects to our eating culture," says Ilana Muhlstein, RD, who serves on the Executive Leadership Team for the American Heart Association and has created a mindfulness-based program for Beachbody called 2B Mindset. If you often devour a bag of potato chips yet barely taste half of them, this type of plan might help you get back in touch with your innate hunger and satiety signals.

Cons: Mindfulness alone won't tell you what to eat or not eat. If you're someone who flounders in the absence of strict rules, trying mindful eating by itself might not work for you.

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If you have trouble stopping once you start eating


Consider: Intermittent fasting

There are a few different types of intermittent fasting (IF) plans, but the general gist is the same: You restrict eating to a certain period of time each day, or you fast for 24 hours a couple of days a week. One of the most popular options, the 5:2 plan, entails eating normally five days of the week and fasting the other two. Another top choice is 16:8, which means you only eat during the same eight-hour window each day (such as noon to 8 PM). Discover the 7 proven benefits of intermittent fasting.

Pros: Once considered a fad, IF diets have gained respectability thanks to scientific studies that show they work for some people. Harvard experts, among others, have suggested that IF can be a reasonable approach if you do it properly. "For some emotional eaters, intermittent fasting is a dream because when the answer is just 'no', it's easier to just stay away," says Muhlstein.

Cons: Many studies on IF diets have been very small or performed on animals. Muhlstein also warns that this approach can backfire in certain people: "The idea of not eating can instill a lot of fear in a person," she says, "It makes some people feel like they need to eat ravenously or even binge prior to a fasting window and might increase the level of emotions this person feels surrounding food."

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