Infant food may offer too much fluoride

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Commonly-consumed infant fruit juices contain fluoride, some at levels higher than recommended for public water supplies which can damage teeth, according to research to be presented next month at the International Association for Dental Research annual meeting in San Diego.

Ninety samples of three different flavors (apple, pear and grape) from three manufacturers were tested. All contained fluoride at concentrations ranging from 0.11 to 1.81 parts per million (ppm).

“Children who consume excessive amounts of juice per day may be ingesting more fluoride than the recommended daily intake,” the researchers report.

Recently, the US Department of Health and Human Services recommended lowering “optimal” water fluoride levels to 0.7 ppm. Earlier research shows all infant formulas, whether ready-to-feed, concentrated or organic, contains some fluoride.

Safe fluoride intake could “be exceeded on a recurring basis when combined with other sources of fluoride intake such as fluoridated water, foods made with fluoridated water, and swallowing of fluoridated toothpaste,” write researchers, Fein and Cerklewski.

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