Founded in 1985, Earth's Best is the first and only fully organic baby and child food brand, certified organic by the USDA Organic by the U.S. Department of Agriculture, as permitted by Jewish regulations. It was acquired by Heinz as early as 1996. Earth's Best teething sticks contain a variety of minerals and vitamins, and have a hard texture that is suitable for teeth grinding, but they are relatively large, and smaller babies may need adult assistance. Earth's Best's teething biscuits are not currently sold in China, and can only be sold through overseas shopping or generation gaps, and the price is unstable.