Conjugated linoleic acid, or CLA, is a type of fat found in dairy products, beef and supplements that is sometimes recommended for weight-loss purposes.

Caffeine is a natural, plant-based alkaloid that comes from sources like coffee beans, cacao pods, tea leaves, cola nuts and guarana berries. This substance is consumed in chocolate and caffeinated drinks and added to pain-killing drugs.

Although supplements aren’t necessary for fat loss, they can be an effective addition to your current dietary and exercise program. Supplements can boost your metabolism and increase the availability of stored body fat as energy. Evidence indicates that certain supplements are more beneficial for fat loss than others.

You may value saffron for the flavor it adds to foods, but there's some preliminary evidence that the essential oils that give saffron its distinct aroma and color, safranal and crocin, may also be helpful to someone on a weight-loss diet.

While children might know garlic only as a seasoning that gives you bad breath and keeps away vampires, many adults know the antioxidant-rich herb as a natural way to treat and prevent numerous medical conditions.

Phentermine typically appears in appetite suppressant medications but also may appear in breath mints. It possesses stimulant attributes that act on your central nervous system. Weight-loss medications typically contain stimulants such as phentermine because they also suppress your appetite. Drugs.

You had the baby, and now you're ready to lose the weight. Weight loss supplements may be tempting, but if you're breastfeeding, you might want to consider other options. It's not known how these types of supplements affect the baby, and you're better off not taking them at all.

Stacker diet pills are an herbal supplement that NVE Pharmaceuticals of Andover, New Jersey, produces and markets primarily to people who want to lose weight quickly. Diet pills such as these often appear in magazine advertisements with astounding before and after pictures.

Slim-Fast is a weight loss company with an online diet support program. Slim-Fast sells meal bars and smaller snack bars in various flavors. Its other products are ready-to-drink shakes and powdered shake mixes.

Hydroxycut is a nutritional supplement used to control weight. It contains the tropical-fruit ingredient Garcinia cambogia. A study published in 2009 in the "World Journal of Gastroenterology" reported that about 15 percent of Americans use weight-loss supplements.

Duromine is a brand name for a prescription medication available outside the United States. It is similar to brand drugs that contain phentermine such as Adipex-P. No one drug is going to help you lose weight by itself.

The Centers for Disease Control and Prevention estimates that as much as 33.3 percent of men in the United States qualify as being obese in regard to their body mass index scores, or BMI. BMI is calculated by comparing your height and weight to determine an approximate range of body fat.