Persons with Overweight, nowadays, have become a menace for their family as well as for the society at large. These overweight persons are attacked by many diseases and at least cannot lead a normal healthy and happy life. Also overweight causes Obesity to a person. A person with Obesity does not look nice and smart to attract opposite sex. Now, realizing the risk, persons with overweight are in the look out for means of Weight Loss. Along with many other ways for weight loss, like taking controlled healthy diet, regular exercise etc., Diet Pills have come out in the market for weight Loss that, in some cases, yield good and satisfactory results. There are a number of Diet Pills available in the market, particularly in on line stores. Among them are drugs like Phentermine, Xenical, and Solidax ADX etc. Which are prominent in the market. There are many others fighting in the market for customers. However, effectiveness of these diet pills is uncertain. Studies have been conducted by many researchers regarding this. But results of them are not easily available. Scientists of Weight Loss Institute have conducted thorough research about this and based upon their findings we highlight a few of them below:  Diet Pills like Phentermine, although a prescription Drug, have reports of serious side effects. However, the Drug is effective in Weight Management. But problem is that, many on line stores market poor quality Phentermine and their effectiveness are doubtful, although consumers may not know it. So People should be sure to take the appropriate drugs with consultation of an experienced Physician.  Diet Pills like Xenical also have serious side effects. However, the Drug is especially effective in Weight Management for patients with high blood pressure or diabetes etc. Doctors should be consulted before taking this Diet Pills. There are more Diet Pills in the market like Kava-Herbal, Brontril, Meridia etc. each having its effectiveness with side effects also. Our space is limited to discuss about all of them. Thus, if you are overweight, Diet Pills may create magic to you but if not checked properly, you may be at risk also. We would suggest that Diet Pills might be one of the solutions to Weight Loss- supplemented by a comprehensive Weight Management Program, provided, it was taken with the supervision of an experienced Physician, expert in this field. Also availability of good quality of Drugs should be ensured for best results. Still risks are there for side effects, which should be taken care of by the Physician prescribing them.