Lose fat with high-intensity interval training (HIIT). If you're trying to lose weight fast, HIIT training can super-charge your metabolism for upwards of 24 hours after exercising.[27] This means your body will continue burning calories long after you've ended your workout. HIIT burns more calories in less time than steady-state cardio. In one study, researchers looked at two groups, one running for 30 to 60 minutes three times per week, the other doing four to six 30-second treadmill sprints, resting for four to six minutes between each sprint. After six weeks, it was found that the group doing HIIT training lost more weight.[28]
Sure, ketchup is tasty, but it's also a serious saboteur when it comes your weight loss efforts. Ketchup is loaded with sugar — up to four grams per tablespoon — and bears little nutritional resemblance to the fruit from which it's derived. Luckily, swapping out your ketchup for salsa can help you shave off that belly fat at home without a diet. Fresh tomatoes, like those used in salsa, are loaded with lycopene, which a study conducted at China Medical University in Taiwan links to reductions in both overall fat and waist circumference. If you like your salsa spicy, all the better; the capsaicin in hot peppers, like jalapeños and chipotles, can boost your metabolism, too.
Stay away from the wrong kind of fat- Fats have unduly got a lot of flak in the recent past. But recently,the importance of good fats has gained prominence. Eat good fats like coconut oil, MCT oil, ghee and so on. Fats help in transporting fat-soluble vitamins A, D, E and K through the bloodstream to where they are needed.  They also raise good HDL cholesterol, lower bad LDL cholesterol, and protect against the buildup of plaque in your arteries. What’s more? They help prevent belly fat, according to research. Include good fats and definitely eliminate bad fats like vegetable oils, soybean oil and so on.
We just don't feel full by liquid calories in quite the same way as we do real food. Drinking a juice or caramel coffee drink just isn't as satisfying as eating a bowl of veggie- and protein-packed stir-fry. So monitor your intake of juice, soda, sweetened coffee and tea, and alcoholic beverages. If you consume each of those beverages during the day, you'll have taken in at least 800 extra calories by nighttime — and you'll still be hungry. (Incidentally, alcohol may suppress the metabolism of fat, making it tougher for you to burn those calories.)

One of my favorite diet plans (and one of the most popular) is the gm diet plan – or the General Motors diet plan (3). Yes – the same general motors as the car manufacturer. I know, it’s weird, lets’ move on. This gm diet plan works for all age groups, and people have lost up to 17 pounds in a single week by following it. If you want to follow it, you have to be prepared. This is a strict diet plan – and it requires a lot of discipline on your part. If you want it to work, and you want to lose up to 17 pounds in a week, you’re going to have to have your mind right before you start.
First of all, this 30-day plan offers a balanced diet plan filled with high-protein, low-carb options. In addition to nutritious foods, having a meal plan ready takes the thinking out of weight loss. Because your meals are all laid out and ready to go, you don’t have to worry about what’s for breakfast, lunch, or dinner. The meals are already planned for the week!
Keep stocked in your refrigerator or freezer a box of veggie burgers (look for low-sodium varieties). Veggie burgers are a much better choice for your waistline and heart than ground meat. Veggie patties have only about half the calories of regular red meat patties, and zero heart-hurting saturated fat. Plus, they’re so easy to cook – just one or two minutes in the microwave. While toasting your whole-wheat bun, take from your pantry a jar of roasted red bell peppers and top your veggie patty with a couple of luscious slices. Smear your bun with a little low-sodium Dijon mustard. 
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