The 2009 New Zealand Total Diet Study (NZTDS) was undertaken by the then New Zealand
Food Safety Authority (NZFSA1), with management and technical input provided by the
Institute of Environmental Science & Research (ESR). The 2009 NZTDS is the seventh such
study, with previous ones undertaken in 1974/75, 1982, 1987/88, 1990/91, 1997/98 and 2003/04.