well, i personally wouldn't use them. some people have adverse reactions to them. and if you have a heart condition then it's a big no-no. but the person who lost 20 pounds in 2 months on them isn't a big deal. if you're trying to lose weight, the best goal to shoot for is about 2.5 pounds per week, or 10 pounds per month. when you do it at that pace, it's usually slow enough that your doing it by changing your eating/lifestyle habits, which is why she's keeping it off. just my 2 cents.
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