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Weight loss pills have become popular in the past several years. There are two basic types of diet pills or weight loss pills – ‘prescription’ and ‘non-prescription’ pills.
Prescription Pills :

Prescription weight loss pills are treated like drugs. They require FDA approval and are closely regulated. Some examples of this type of weight loss pills are Xenical (Orlistat), Meridia (Sibutramine) and Phentermine/ Fentermine. To prove their effectiveness in weight reduction, these pills are subjected to a range of clinical tests typically for monitoring health risks and side effects.
Non Prescription Pills

The Non-prescription weight loss pills are also called as weight loss supplements. These drugs can be purchased over the counter as they are subjected to minimal FDA regulation only. Some examples of this type of weight loss pills include pills from Metabolife™ and Herbalife™ as well as fat-burners, herbal weight loss pills, stackers, other sports or diet supplements.

The difference between prescription and non-prescription weight loss pills is becoming narrower. Since some types of non-prescription pills can be just as powerful or dangerous as weight loss drugs. Exception is that these types of weight loss supplements are not regulated similar to prescription weight loss pills. Hence they can be more dangerous if anything. The FDA has issued warnings recently about weight loss supplements that contain ephedra. Hence, many drug manufacturers are now declaring as ‘ephedra-free’ by removing ephedra from their weight loss pills.
Who can benefit from Weight Loss Pills?

Prescription weight loss pills are designed specifically for the treatment of obesity rather than mere weight loss. Despite health risks and side effects, the use of weight loss pills is justified, as obesity is a serious condition associated with serious health risks. Weight loss supplements or Non-prescription weight loss pills should be viewed in similar light.
Do these Weight Loss Pills work?

The answer is both Yes and No. With a proper exercise program and diet in conjunction with medical supervision, weight loss pills or weight loss supplements can be effective in the short term at least. However the benefits may quickly wear off as the body adjusts rather quickly to many weight loss pills.
Weight Loss Trials of Pills clinically:

Clinical weight loss trials demonstrate that by using weight loss pills alone, long term weight control is not possible. A combination of improved diet and physical activity is to be maintained in the long term to maintain weight loss successfully.
Consult your doctor before taking weight loss pills:

You should obtain information from your doctor about the possible dangers and side effects of weight loss pills before taking any weight loss pills.
Side Effects of taking weight loss pills:

Weight loss pills become less effective as time progresses like most drugs and can lead to addiction. If you feel any of the following side effects, taking the pills should be stopped immediately.

Irritability

Anxiety or nervousness

High blood pressure

Insomnia

Heart palpitations and Heart attack

Tightness in the chest

Vomiting, constipation or constant stomach pain

Diarrhea, Fever and Head aches

Dry mouth

Dizziness

Profuse sweating

Blurred vision

Hair loss

Urinary tract problems

Disturbances in sex drive and menstrual cycle.

The long-term effects of these weight loss pills are not known and how they interact with other medications is also not clear.

I would also like to know about diet pills that are healthy, I mean kind to the body but actually work. Has anyone got any tried and tested diet pills that they can recommend? Thks!

I’ve heard a lot about the acai berry pills and that it helps you to lose weight. Has anyone tried it yet and if it does work. Please let me know.. thanks.

I’m trying to lose weight, and I’m wondering what kind of legal drugs or weight loss pills really work. Please don’t tell me to just eat well and exercise, I already do this.

What Diet Pills Are Out There For Me? The last 20 years have seen people become obsessed with losing weight, Meaning, they have spent billions every year on appetite suppressants, fat burners, and fat binders. With so many out there which one is right for you!

Appetite Suppressants

Many people think that their weight problem is caused by not knowing when to stop eating. They reason that if they don’t feel hungry, they won’t eat as much and will lose weight. The appetite suppressant was designed to lessen a person’s psychological motivation for food. Phenylpropanolamine (PPA), one of the most widely used appetite suppressants, affects the hypothalamus, a control center in the brain. PPA interrupts the ability of the hypothalamus to tell the body when it’s hungry. This curbs the appetite and the individual wants less food. By eating less, a person loses weight. PPA is found in Dexatrim, Vitaslim, Hungrex and Acutrim. PPA along with diet and exercise promotes weight loss. You must stay on PPA or your hunger will return and you will most likely regain your weight. The most common side effects include thirst, irritability, palpitation, tiredness and jitteriness. Major side effects include cardiac arrhythmias, intracerebral hemorrhage, acute dystonia, myocardial injury, psychosis, cerebral arteritis and hypersensitive crisis.

Fat Burners

A fat burner does two things. It acts on the hypothalamus, the region of the brain that helps to regulate appetite. It also causes the release of certain brain chemicals that trigger the body’s “fight or flight” mechanism, preparing it to take action. In effect, the body burns extra calories to be able to respond to a physical or emotional attack. To stay ready for the attack that never comes, the body keeps burning calories even when it is at rest. Until 2004, fat burners usually contained ephedrine, caffeine and aspirin as their active ingredients. After the FDA banned the use of ephedrine in diet pills, some manufacturers began using herbal ephedra or Ma huang. Others used Citrus aurantium (CA) and green tea extract (GTE). CA, also known as Bitter Orange, comes from manadarin orange peels, seville orange juice, and certain types of potatoes. One of its primary active ingredients, synephrine, acts similar to ephedrine in the body. Scientists have said that combining synephrine, caffeine and other substances found in weight-loss products, can lead to high blood pressure, heart attacks, and strokes. Most health professionals agree that the risks of synephrine far outweigh any potential weight loss benefits. GTE is ephedra-free. Recent studies have found that it may play a role in stimulating thermogenesis (fat burning) and increasing calorie expenditure. GTE contains catechins, which increase norepinephrine levels in the brain and prepare the body for “fight or flight.” In high doses, GTE and caffeine may result in heart palpitations, insomnia, and other negative effects.

Fat Binders

Fat binders are also known as fat magnets. They claim to be able to lower cholesterol and contribute to weight loss. These products usually contain chitosan. It is derived from chitin, a polysaccharide found in the exoskeletons of shrimp, lobster, and crabs. Chitosan is supposed to cause weight loss by binding fats in the stomach and preventing them from being digested and absorbed. Although chitosan can decrease fat absorption, the amount in fat burners is too small to have much effect on cholesterol levels. Your doctor can prescribe a number of drugs which can actually lower cholesterol. Both the British Advertising Standards Authority and the FDA have won suits against advertisers of chitosan. As a result, advertisers must make clear in future that the product had not been proven to aid slimming or prevent weight gain.