While many people turn to artificial sweeteners in a misguided attempt to whittle their waistlines, those fake sugars are likely to have the opposite effect. According to Yale researchers, artificial sweeteners are actually linked with an increased risk of abdominal obesity and weight gain, possibly because they can trigger cravings for the real stuff and spike insulin levels in a similar fashion to real sugar.
Your body uses two primary nutrients for fuel: glucose and ketones. Most people use glucose for fuel; this is because the average person has a carbohydrate based diet. If you want to burn fat fast as hell, however, put your body into a state of ketosis. What this means is that your body’s primary source of energy is no longer carbohydrates, but fat. In other words, you’ll literally be burning your own fat supplies for energy.
“[These tools’] potential benefit is awareness,” Fear says. “Knowledge can be power, but these things can be counterproductive when they simply create alarm without any clear course of action to take. Seeing your weight rise doesn't necessarily provide you with any action steps you can take. It's just upsetting, like a fire alarm going off with no exit routes identified.” Langer notes that “in people who have a history of or are at risk for an eating disorder or compulsiveness, tracking anything should be off limits.”
So what type of exercise is best when it comes to burning belly fat? Olson recommends intense weight training, Tabata interval training, sprint-style cardio, and kettlebell exercises. Of course, a little ab work won’t hurt either—especially moves (like dead bug) that target the transverse abdominus, the deep core muscles that act like a girdle for the waist, cinching you in all over.