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Usana Health Sciences Inc is a U.S.-based company that is principally engaged in developing, manufacturing, and selling science-based nutritional and personal-care products. The company operates through direct selling. It owns a number of product lines, such as Essentials, which contains core vitamin and mineral supplements; Optimizers, which includes targeted supplements for individuals' health and nutritional needs; Foods, which consists of low-glycemic meal replacement shakes, snack bars, and other related products; and Sense Beautiful Science, which contains personal-care products related to skin and hair. The company conducts business worldwide, including Asia-Pacific, the Americas, and Europe.
Nuveen Select Tax Free Income Portfolio is a diversified closed-end investment company. It seeks to provide current income and stable dividends, exempt from regular federal and designated state income taxes, consistent with the preservation of capital by investing primarily in a portfolio of municipal obligations.