Spicy Foods like Cayenne Pepper: Spices that warm the body seem to be good for more than just keeping you feeling toasty — they may also increase your body’s ability to burn fat, suppress hunger levels, normalize glucose levels and reduce your appetite for sweets. Studies have shown that herbs like cayenne pepper, turmeric, cinnamon and dandelion may all help reduce weight gain without having negative effects. (10) Because spices have positive effects on metabolism, I recommend adding some daily to things like homemade detox drinks, marinades for proteins, stir-fry, veggies or soups.
L‐carnitine: This stimulant-free amino acid has been physique athletes' secret weapon for decades. Taken once or twice daily with food, it can also help your body convert stored body fat into energy, leaving you leaner and more defined. It does this by breaking up fatty acids so the body can use them for fuel. As Jim Stoppani, Ph.D., explains in "Your Expert Guide to L-Carnitine," it has also been shown in studies to support recovery from workouts, reduce muscle damage, and even reduce exercise-induced muscle soreness.
One 2009 report published in the Journal of Nutritional Biochemistry found that CLA has positive effects on energy metabolism, adipogenesis, inflammation, lipid metabolism and apoptosis. (6) A 2007 study published in the British Journal of Nutrition similarly found that supplementation of a CLA mixture in overweight and obese people (three to four grams a day for 24 weeks) decreased body fat mass and increased lean body mass. (7) And regarding CLA’s safety, there seems to be very little risk for adverse effects on overall blood lipids, inflammation levels and insulin response in healthy, overweight or obese adults.
Apple cider vinegar, in particular, is composed mostly of acetic acid, which has been shown to delay gastric emptying and slow the release of sugar into the bloodstream. Research published in the journal Bioscience, Biotechnology, Biochemistry found that a small pool of study participants given ACV over a 12-week period lost more weight, body fat and inches from their middle than participants that were given a placebo. How does it work? Besides maintaining stable blood sugar levels, ACV produces proteins inside the body that burn fat.
Some cheat meals are better than others. And a high-carbohydrate, moderate-protein meal, however "naughty," can help you stay on track. The reason: Carbohydrates have the greatest influence on leptin levels, which help you burn fat and feel satisfied. And protein has the greatest influence on satiety because of its influence on appetite-regulating hormones and high thermic effect—the process of digesting protein requires more energy of your body than any other macronutrient. So, go ahead and grab a bowl of spaghetti and meatballs. Contrary to popular belief, pasta is actually a fairly low-glycemic food, meaning it won't drastically spike your blood sugar levels.
A scoop of guacamole is one of the most effective fat-burning, hunger-squashing snacks known to man. Not only are avocados rich in vitamin B6—which directly counteracts the belly-fat-building stress hormone, cortisol—they're also full of monounsaturated fat. This healthy fat may actually prevent body fat distribution around the belly by down-regulating the expression of certain fat genes, according to research in the journal Diabetes Care. These same satiating fats may also be the reason behind another study that found people who ate half a fresh avocado with lunch reported a 40 percent decreased desire to eat for hours afterward.
Do you even lift, bro? If you're serious about getting rid of that belly fat fast, resistance training might just be the key. A study from the Harvard School of Public Health found that adding weight training to adult male test subjects' workouts significantly reduced their risk of abdominal obesity over a multi-year study period, although doing the same amount of cardio had no such effect. Research from the University of Maryland even found that just 16 weeks of weight training boosted study participants' metabolic rates by a whopping 7.7 percent, making it easier to ditch those extra inches around your middle.
Adding a fat-burning supplement to your regimen to help burn belly fat won't necessarily be detrimental, but it's unlikely to do much good, either. You should always check with your doctor before you start taking a new supplement 1. According to personal trainer Christian Finn, the best ways for men to burn fat fast are to eat less than they burn, lift weights two to three times per week, eat a protein-rich diet and add in some cardiovascular work.