The U.S. Pharmacopeia is a nonprofit group that has set standards for many popular supplements.

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Before you write any checks, though, be warned: That nonprofit may be among the many that have developed a taste for fee-laden, high-risk investments in the past few years.

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It is owned and controlled by a sponsoring organization--many mutual fund companies, brokerage firms and nonprofit organizations will sponsor one for you.

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Many people who work at nonprofit systems do so because they like the mission of caring for their community.

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