The recalled chocolate candy is sold in 840-gram packages containing 240 pieces and bearing UPC 0 36077 11240 7 and lot code 1928S1.

The candy was sold nationally through Costco stores and might also have been sold in bulk packages or as individual pieces at various dollar and bulk stores across Canada.

"Although the health risk associated with these products is considered to be low, the advisory is being issued as a result of the Government of Canada's ongoing investigation into milk and milk-derived products sourced in/from China that may have been distributed in Canada," the CFIA said in a statement.

Melamine is a chemical compound used in commercial and industrial applications. Canada doesn't allow its use as a food ingredient.