Reviewing industry overviews often help identify particular trends that might affect a product. This includes social and economic trends. The sources below are some that provide industry overviews.
In First Research use the Keyword search and use the term: organic food. One of the reports to look at is "Specialty Food Stores," and even the "Candy Manufacturing" report might provide some useful information.
Market research reports include a discussion about the relevant industry. The licenses in these databases stipulate that they cannot be used for commercial purposes.