Amway ?
Are you seriously suggesting taking the word of one of the all time greats of pyramide sales plans. The essence of pyramide selling is dishonest advertisement. Amway is a pyramide sales operation. They are not a trustworthy source of information.
Even if they were a firm with a better reputation, say Proctor-Gamble or Dow Chemical, the mere fact that they are selling the product makes their studies unacceptable. The tester must be independent of anyone who is going to make a financial profit off the product.
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