Guarana: Guarana has among the highest concentrations of caffeine in any plant; it contain up to 3.5 percent to 5.8 percent caffeine by volume, while coffee only has up to 2 percent. For increased energy and enhanced mental focus, some people use between 200 to 800 milligrams of guarana a day, which seems to be generally safe. However, side effects for some can include those similar to consuming too caffeine, such as difficulty sleeping, indigestion, anxiety, changes in blood pressure, dependence and a quickened heartbeat. Guarana can also interact with medicines like some antidepressants, lithium, sedatives, other stimulants and blood thinners.
This classic lunchbox sandwich condiment is teeming with flat-belly nutrients such as cholesterol-lowering monounsaturated fats and is a great source of plant-based protein. According to a recent study presented at the annual Society for Endocrinology conference, researchers found that when protein is digested and broken down into amino acids in your body, one of those amino acids—phenylalanine—triggers hormones that help reduce appetite and ultimately leads to fat burn and weight loss. Go for brands that have an ingredient list of just two items: nuts and a little salt, or look to our guide: Best and Worst Peanut Butters.
In fact, researchers at Wake Forest Baptist Medical Center found that every 10-gram daily increase in soluble fiber was associated with a 3.7 percent decrease in dangerous visceral fat over five years. Those who were active got even leaner, shaving off twice that much fat in the same amount of time. To start ditching that extra belly fat today, add the best high-fiber foods to your menu!
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.
There’s a key difference between how supplements are regulated versus how medications or other drugs are. Dietary supplements are considered safe until proven unsafe, while the opposite is true of prescription drugs: They’re kept out of the public’s hands until clinical trials show they’re generally effective and also unharmful to the majority of patients taking them. 
Hourglass contains a great ingredient portfolio, enough to easily compete with many of the market leading fat burners. For instance, you’ll find glucomannan, a root extract that sits undigested in your stomach for a while to stop you from getting annoying hunger cravings between meals (and of course to stop you snacking). It contains green tea extract and black pepper extract (bioperine) which are found in many fat burners. It also contains a range of vitamins including Vitamin B6, Vitamin B12 and Vitamin D3. 

These supplements also make it harder for your body to absorb more fat from the foods you eat. In addition, they can also make it easier for you to stick to your diet and keep your caloric intake low to prevent additional weight gain. All in all, they are designed to help you lose weight and decrease the amount of body fat you have by increasing your metabolism.
While few would suggest you start hitting up the tanning beds for better health, getting some natural sunlight can help you get rid of belly fat in a matter of weeks. Researchers at the Fred Hutchinson Cancer Research Center found that vitamin D-deficient overweight women between 50 and 75 who upped their intake of the so-called sunshine vitamin shed more weight and body fat than those who didn't. To practice safe sun, make sure you're limiting yourself to 15 sunscreen-free minutes per day.
Who makes it: Super HD is made by Cellucor, a Texas-based supplement manufacturer. Founded in 2002, Cellucor has grown into a dominant force in the supplement industry. With a huge line of popular products (best known for their C4 line of pre-workout supplements), a loyal following of fans, and a number of industry awards, it’s no surprise that Cellucor is so well respected.
Who Makes It: Shred JYM is made by JYM Supplement Science. The company is the brainchild of Jim Stoppani, a legendary bodybuilder and PhD of exercise physiology. For over a decade, JYM Supplement Science has been formulating and manufacturing high quality fitness supplements using only research-backed ingredients. They are also proud to use no proprietary blends, so every ingredient and dosage amount is clearly listed on the label.
A big part of weight loss is simply being aware of the decisions you’re making. For example, when out at happy hour with friends, you may lose track of how much you're eating or drinking. But if you take a split second to step back and become aware of that fact, you’re able to course correct. “The awareness and then planning for what else I can be doing, that might give me the same benefit of eating comfort foods,” says Gagliardi.
If you’re only getting a minimal amount of sleep each night, that leaves more time for you to snack and make otherwise unhealthy decisions that could affect your weight loss. Although it will vary from person to person on how much sleep you actually need to be most effective (and therefore make progress toward your weight loss goals), the ideal number is typically seven or eight hours, says Dr. Cheskin.

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These supplements also make it harder for your body to absorb more fat from the foods you eat. In addition, they can also make it easier for you to stick to your diet and keep your caloric intake low to prevent additional weight gain. All in all, they are designed to help you lose weight and decrease the amount of body fat you have by increasing your metabolism.
One of the reasons your metabolism isn't burning away fat as efficiently as you'd like? Look to your magnesium levels. This essential micronutrient is required for the body to produce and store energy, and also helps boost lipolysis (a process by which your body releases fat from its stores to use as energy)—yet 75 percent of Americans do not get their RDA of this important metabolism-boosting mineral. Just a half cup of pumpkin seeds provides nearly 100 percent of your daily magnesium needs.
Men of all ages – Pretty much anyone over 18 who wants to drop a few pounds may benefit from taking a fat burner. These supplements aid your body’s natural abilities to burn fat, so they simply make the process easier for you. Whether you’re looking to lose significant weight or just burn off some holiday fat, adding supplements to your diet may provide some help.

A big part of weight loss is simply being aware of the decisions you’re making. For example, when out at happy hour with friends, you may lose track of how much you're eating or drinking. But if you take a split second to step back and become aware of that fact, you’re able to course correct. “The awareness and then planning for what else I can be doing, that might give me the same benefit of eating comfort foods,” says Gagliardi.
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