Another risk regarding the use of dietary supplements intended to promote weight loss is that these products are usually self-prescribed without clearance or input from a health care professional. This can result in harmful interactions between different products and/or medications. Currently in the U.S., there is no controlled system for reporting bad reactions and side effects associated with popular weight loss pills. While some people taking these products, or their doctors, may sometimes report problems to the FDA, they’re not required by law to do so.
Start at a low dose: Fat burners are designed specifically to give you the proper doses of various ingredients to support fat loss. But that doesn't mean that the more of the ingredients you take, the more results you'll see. Supplement manufacturers state the serving guidelines and directions so you can have a way of measuring what dose works best for you.
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.
Ansari says alcohol can prevent weight loss in several ways, including the fact that heavy alcohol intake can stimulate food intake. "Binge drinking can overload the liver. The liver then prioritizes processing alcohol over other nutrients and then stores the protein, carbs, and fat as fat in the body," Ansari explains. The Centers for Disease Control and Prevention (CDC) defines binge drinking as having five or more drinks for men, and four or more drinks for women in two hours. "Also, alcoholic beverages are often mixed with sugar-rich beverages. Drinking more than moderate amounts of alcohol can cause calories to add up quickly," she says.
CLA: Conjugated linoleic acid, or CLA, is a naturally occurring fatty acid, similar to an omega-6 fatty acid. Even though CLA is a fat, studies show that consuming 1.4-3.0 grams per day can lead to overall body-fat loss.[3,4] It can also help you retain muscle during periods of weight loss, as kinesiologist Ciaran Fairman, Ph.D., explains in the article "Your Expert Guide to CLA." Remember, muscle is your ally for long-term success!
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.