The FTC recently cracked down on them.
The FTC challenges as unsubstantiated claims that Leptoprin and Anorex cause weight loss of more than 20 pounds in significantly overweight users and that those products cause loss of substantial, excess fat in significantly overweight users. In addition, the complaint challenges as
false claims that clinical testing proves that Leptoprin causes weight loss of more than 20 pounds, including as much as 50, 60, or 147 pounds, in significantly overweight users; and that clinical testing proves that Leptoprin causes loss of substantial, excess fat in significantly overweight users.
http://www.ftc.gov/opa/2004/06/dietsupp.htm for the full FTC release.
Also, even Oprah's magazine had a few things to say about them a few months ago. I quoted it recently on our Leptroprin page.
Quote:
Oprah Magazine casts doubt on Leptoprin claims! The November 2003 issue of O Magazine includes the following comments: "In the case of Leptoprin-SF, another diet formula, the promotional copy boasts that during a double-blind clinical trial 'the Leptoprin-SF group experienced a significant decrease in overall body weight--an incredible 830 percent greater than the group who participated in the diet and exercise program alone.' But the actual study, published in a journal called Current Therapeutic Research, concludes that although people lost weight on the regimen, 'between-group differences in weight loss were not statistically significant.' Further comments include "OTHER HOT CONTENDERS FOR A piece of the post-ephedra weight loss dollar are Anorex-SF (the same formulation as Leptoprin-SF), advertised as "the most advanced, most powerful stimulant-free fat-loss formula available today," and Zantrex-3. The latter, which contains large amounts of caffeine-rich herbs mixed with what is described as a patented compound that speeds absorption, claims "more than five times the weight loss of America's number one selling ephedra-based diet pill." Zantrex-3 and Anorex-SF cost up to $90 to $163 respectively for a one-month supply, and both are marketed by Basic Research, which has links to a number of companies including Klein-Becker, a self-described industry leader in patented and exclusive weight control products. It's unclear whether these are one and the same company, but they seem to share headquarters in Salt Lake City. Calls to Daniel Mowrey, PhD, identified as the director of scientific affairs for Klein-Becker (as of a year ago, he held the same title at Basic Research), were referred to Louis Rinaldi, PhD, who identified himself as a consultant to the company. On the phone, Rinaldi said that Zantrex-3 was expected to be the company's hottest seller and insisted that he had at hand clinical studies supporting its effectiveness. Unfortunately, he said he was not free at this time to share those studies with the public.
"We've already spent millions in advertising for Zantrex-3," he said. "We play it pretty close to the vest because we don't want to get knocked off [by imitators] and lose our shirts. When you have a new product, you have a small window of opportunity to sell it, so we are not very forthcoming about what's in it or what the dosage should be." A check of the company's Web site, however, provides a link to the very same small trial cited by Zotrin. Perhaps it will come as no surprise that Rinaldi's doctorate in nutrition was issued by Donsbach University, a nonaccredited correspondence school that closed its doors years ago. "
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Leptoprin customer service received quite a bit of email after we ran our article, and they even created a special "canned message" in response, which of course was about as accurate as their weight loss claims! We didn't mind, though. If they want to give us publicity, we'll take it. We believe that anyone that is considering their product will visit our site and draw the same conclusion as we did. They aren't doing their business any favors.
I agree with KathyAnn, if this product is made by the same people, I personally would save my money. Use it to buy a treadmill, elliptical, some healthy food, or a new outfit when you reach goal
Estrin D?
