Multivitamin tablets, powders and liquids dominate this category with 55% of the total vitamin supplement market. Vitamin B is the second largest category with 13% followed by vitamin C which represents 11% of the market.

Geographic reference: United States
Year: 2008
Market size: $8.5 billion
Source: National Foods Merchandiser, September 2009, page 22.
Original source: Nutrition Business Journal