You don’t need to bust out the measuring cups to properly portion out your food: A serving size of meat is roughly the size of a deck of cards or the size of the palm of your hand. Your entire fist should be the size of a serving of veggies (although the more, the better!). A serving of fat, such as butter or coconut oil, should be the size of your thumb. Your carb serving should be no bigger than what can fit in your cupped hand. For other ways to eyeball your proper serving sizes, check out What the Perfect Food Portion Sizes Actually Look Like.

A University of Vermont study found that online weight-loss buddies help you keep the weight off. The researchers followed volunteers for 18 months. Those assigned to an Internet-based weight maintenance program sustained their weight loss better than those who met face-to-face in a support group. These are 50 ways you can lose weight without a lick of exercise.

A. Deprivation is a powerful thing. When you're deprived of something, which is often true on diets, you want it even more, explains Stephanie Karpinske, M.S., R.D. That's where the cheat day comes in. It's a psychological trick to satisfy your cravings for chips, pizza, donuts, and other non-diet foods so that you won't feel deprived. If that satisfaction keeps you on your diet, then yes, it can help with weight loss. But keep in mind that on your cheat days, you're eating more calories, maybe even 1,000-2,000 calories more. That can really slow down weight loss. And the cheat day could backfire -- giving into your cravings may have you saying goodbye to the diet and hello to your old ways of eating.
Counseling and community: Think about whether you need one-on-one guidance from an expert or a supportive diet-related community to succeed on a weight loss program. Some people prefer to go it alone or involve their friends or family rather than a forum, but others enjoy finding acceptance and encouragement from others who are using the same program.
Fermented foods: These enhance the function of good bacteria while inhibiting the growth of bad bacteria. Sauerkraut, kimchi, kefir, yogurt, tempeh, and miso all contain good amounts of probiotics, which help to increase good bacteria. Researchers have studied kimchi widely, and study results suggest that it has anti-obesity effects. Similarly, studies have shown that kefir may help to promote weight loss in overweight women.
Control Your Environments. Another simple strategy to help cut calories is to control your environment -- everything from stocking your kitchen with lots of healthy options to choosing the right restaurants. That means avoiding the temptation by staying away from all-you-can-eat restaurants. And when it comes to parties, "eat a healthy snack before so you won't be starving, and be selective when you fill your plate at the buffet," suggests Ward. Before going back for more food, wait at least 15 minutes and have a big glass of water.
"You also can gain up to several pounds, depending on where you are in your menstrual cycle," Zied says. Estrogen encourages bloating by stimulating the kidneys to retain sodium. If you're taking oral contraceptives, note that older prescriptions containing higher doses of estrogen can cause more bloating than the new, lower-dose pills. (Some studies show no difference in water-weight gain between a low-dose oral contraceptive and a placebo.)
Ranging from just-juice to just-tea cleanses, these typically short-term plans can be dangerous. “Detoxes and cleanses are usually low in calories, protein, and fiber, all nutrients that our bodies need to function,” says Alissa Rumsey, RD, who is in private practice in New York City. “These plans leave you feeling hungry and cranky, causing a rebound food binge once you stop the detox.”

Given that all participants in the study were overweight and “healthy”, what was not studied, and could have been very useful, was what was the impact of the two diets on participants’ blood sugars (HbA1c), insulin levels, and on some measure of inflammation. It is possible that there could have been little difference in weight loss between the two diets but big differences in the impact on risk factors related to diabetes.


Eat More Produce. Eating lots of low-calorie, high-volume fruits and vegetables crowds out other foods that are higher in fat and calories. Move the meat off the center of your plate and pile on the vegetables. Or try starting lunch or dinner with a vegetable salad or bowl of broth-based soup, suggests Barbara Rolls, PhD, author of The Volumetrics Eating Plan. The U.S. government's 2005 Dietary Guidelines suggest that adults get 7-13 cups of produce daily. Ward says that's not really so difficult: "Stock your kitchen with plenty of fruits and vegetables and at every meal and snack, include a few servings," she says. "Your diet will be enriched with vitamins, minerals, phytonutrients, fiber, and if you fill up on super-nutritious produce, you won't be reaching for the cookie jar."
Yes, there's a law that outlines the regulation of over-the-counter diet pills and other supplements, such as vitamins and herbal remedies, says Stephanie Karpinske, MBA, M.S., R.D. But no, supplement companies don't have to comply with the regulations (they're voluntary). Companies don't have to prove that their products are safe or that they work. Prescription diet pills, however, are considered a drug and have to go through the same strict guidelines and testing as any other prescribed drug.
Many diet plans cut out entire food groups, which can create nutrient deficiencies as well as health problems. For instance, if the diet is very low in carbohydrates and you have type 1 diabetes or type 2 diabetes, it’s probably not a good fit. And if it’s too restrictive and you’re pregnant or breastfeeding, it’s not a good idea, either. Keep in mind that pregnancy is not a time for weight loss. Speak with your doctor before making any changes to your diet if you are pregnant or breast-feeding.
This could be because the body increases insulin secretion in anticipation that sugar will appear in the blood. When this doesn’t happen, blood sugar drops and hunger increases. Whether this chain of events regularly takes place is somewhat unclear. Something odd happened when I tested Pepsi Max though, and there are well-designed studies showing increased insulin when using artificial sweeteners.
Skimping on sleep sets you up for a host of health problems, such as increased risk for depression, type 2 diabetes, and stress. Here's one other benefit to spending enough time in bed: You're more likely to be a healthy weight. University of Chicago research revealed that dieters who were well-rested lost more fat than those who were sleep deprived.
Nature's Variety Healthy Weight Chicken is another grain-free cat food that is made without corn or wheat. If your cat is a picky eater, putting him on a low-calorie diet can be frustrating, as weight control foods tend to offer fewer of the fatty additives that cats get addicted to. Nature’s Variety has a boost of freeze-dried raw chicken, which makes this dry food more appetizing to finicky cats. Nature’s Variety has 37% protein and 12% fat, so it’s great for keeping your pet fuller longer.
Also some research shows that the human body is primed to consume most of its calories during daylight hours. But the lifestyle is problematic for many: Because family meals and dinners with friends often are scheduled for after sunset, "people who try to stop eating after 7pm can’t do it every day for the rest of their lives," says Dr. Seltzer, who supports an alternative strategy: Eating a hearty meal at your regular dinnertime.
This drug is an injected variant of a satiety hormone called GLP-1. It slows down how quickly the stomach empties and tells the brain that you don’t need to eat yet – a great idea for losing weight. As a bonus this drug works fine while one is on the keto diet and it works even better with intermittent fasting – for a rapid weight loss with no hunger.

A. Compile a detailed food diary for at least a week. "Most of us underestimate how many calories we consume, so it's possible you're eating more than you think," says Cynthia Sass, R.D., coauthor of Your Diet Is Driving Me Crazy (Marlowe & Company, 2004). If the calorie count is correct, then the wrong exercise program could be to blame. "If you're not strength training while you're dieting, you may be losing lean tissue, and that cuts your metabolic rate," explains Sass.
If you are searching for the best weight loss method, it can be tempting to use a program that looks new or trendy. Many programs advertise that you can eat whatever you want and still slim down. But this study confirms—and most nutrition experts agree—that a nutritious, calorie-controlled diet, healthy moderate exercise, and emotional support are the best path to weight loss and permanent weight maintenance. Work with your health care provider or a nutrition professional to build a program that you feel good about so you feel confident about sticking to it for life.

"While you should avoid trans fats, monounsaturated fats and polyunsaturated fats are actually good for you and should be incorporated into your diet," he explained. For trans fats, look for the words "partially hydrogenated" on food labels. Monounsaturated fats include foods like avocados and olive oil, and polyunsaturated fats can be found in nuts and seeds.
The reason we’re suggesting 45 minutes instead of the typical 30 as one of the ways to lose weight is that a Duke University study found that while 30 minutes of daily walking is enough to prevent weight gain in most relatively sedentary people, exercise beyond 30 minutes results in weight and fat loss. Burning an additional 300 calories a day with three miles of brisk walking (45 minutes should do it) could help you lose 30 pounds in a year without even changing how much you’re eating. Here are 20 hidden reasons your diet isn’t working.
Rise and shine—literally! Researchers from Northwest University found that people who were exposed to bright daylight earlier in the day tended to weigh less than those who didn’t get sunlight until later. So right after you wake up, open the blinds and let the sunshine in. Or better yet, step outside and enjoy your morning cup of coffee on the front porch
Refined white breads are simple carbohydrates that your body processes as sugar, and can really hinder your weight-loss efforts. Whole grain bread, on the other hand, is chock-full of slimming fiber and can help you feel fuller, longer. Just be sure to read your labels. “If the ingredients at the top of the ingredient list read sugar, sucrose, fructose, corn syrup, white or wheat flour, these foods contain mostly simple carbs and should be limited,” Rebecca Lewis, RD, told Eat This, Not That! in our article for 20 Secrets for Eating Bread Without Getting Fat. “A food is only considered a whole grain if the first ingredient on the packaging says, ‘whole grain’ or ‘whole wheat.’”
Fearing all fat is a thing of the past. Monounsaturated fatty acids (MUFAs) actually help you lose weight, not gain it. When researchers asked women to switch to a 1,600-calorie diet high in MUFAs, they lost a third of their belly fat in just 4 weeks. Sprinkle a handful of nuts on your salad, drizzle a tablespoon of olive oil over steamed veggies, or mash a quarter of an avocado onto your breakfast toast.
What happens if you fast for a day? What happens if you don't eat for a day? While most people will feel hungry and possibly tired, there is also a range of other effects. In this article, learn about how the body starts to burn fat for energy and whether fasting for 24 hours can be a good weight loss tool. We also investigate the possible risks. Read now
Blue Buffalo started as a food created by a man and his two sons to help cure their dog’s health issues, and has grown into one of the most widely-used and recommended pet foods on the market. The Blue Buffalo Adult Healthy Living Weight Control cat food is our choice for the best overall dry weight management cat food. With 30% protein and only 9% fat, Blue Buffalo’s weight control food balances your cat’s calories so that she gets the nutrition she needs, without the added fat.
High blood sugar levels coupled with high blood ketones, on the other hand, will mean that you have a pathologically low level of insulin – something non-diabetics do not suffer from. This can lead to ketoacidosis – a potentially life-threatening condition. If this happens, you’ll need to inject more insulin; if you’re at all unsure of what to do, contact a medical professional. Coveting really high blood ketones for weight control is not worth the risk for type 1 diabetics.
"Anytime you’re stressed, you probably go for food," Dr. Seltzer says. (Have we met?!) That’s because cortisol, the stress hormone, stokes your appetite for sugary, fatty foods. No wonder it’s associated with higher body weight, according to a 2007 Obesity study that quantified chronic stress exposure by looking at cortisol concentrations in more than 2,000 adults’ hair.
Don't banish certain foods. Don't tell yourself you'll never again eat your absolutely favorite peanut butter chocolate ice cream. Making all treats forbidden is sure to make you want them even more. The key to long-term success is making healthy choices most of the time. If you want a piece of cake at a party, go for it! But munch on the carrots rather than the chips to balance it out.
All meals are important, but breakfast is what helps you start your day on the right track. The best, heartiest breakfasts are ones that will fill you up, keep you satisfied, and stave off cravings later in the day. Aim to eat anywhere between 400 and 500 calories for your morning meal, and make sure you're including a source of lean protein plus filling fat (e.g., eggs, beans, unsweetened Greek yogurt, nuts, or nut butters) and fiber (veggies, fruit, or 100% whole grains). Starting your day with a blood sugar-stabilizing blend of nutrients will help you slim down without sacrifice.

Another way to trim carbs and calories and lose weight fast is by making your sandwich open-faced. Opting for one slice of bread instead of two will save you 70-90 calories, and leaves you more room to pile it high with healthy toppings like lettuce, tomato, sprouts, and avocado. Still hungry? Pair your sandwich with a side of baby carrots or bell pepper strips. The water and fiber in the veggies will fill you up and help with your weight-loss efforts.
Very low levels of thyroid hormone usually indicate an autoimmune reaction to the thyroid gland itself. This means you’ll have to take thyroid hormone supplements orally, usually the stable form T4 (Levaxin), which your doctor can prescribe for you. Your body will transform this into the active T3 hormone when necessary. The supplement dose should be adjusted so that you reach normal hormone levels (TSH, T3, T4) and sufficiently alleviate symptoms – though a few people feel best when keeping TSH slightly below normal.
Don't underestimate the role that your physician can play in your weight loss journey. Your doctor can help you to understand how weight loss can improve your health. He or she can also provide support and referrals to other professionals like a registered dietitian who can help make weight loss easier for you or a behavioral health specialist to manage emotions that affect eating. The support you get from a physician, a nurse or a registered dietitian can help you to stay motivated and on track when typical challenges arise.
Sure, there's your one friend who swears by the Taco Cleanse. And that other friend who ate nothing but broccoli soup for a month and dropped 20 pounds, found the love of her life, and got promoted at work. But before you start blending 80 stalks of broccoli into a cup or crunching your way through a crate of tacos, check out which diets are backed by science. Because don't you want to try one that will do the trick for you?
×