For the report, Packaged Facts conducted a proprietary survey in August 2012. Sales of packaged products are based on available sales data from publicly-traded marketers of gluten-free products, estimates reported in trade and consumer press, industry experts and participating gluten-free manufacturers and retail outlets.
Packaged Facts in October 2012 reported the market for gluten-free foods and beverages in the United States reached $4.2 billion in 2012 after experiencing a compound annual growth rate of 28 percent between 2008 and 2012.