India, Jan. 14 -- Canadians shopping for packaged foods will now see mandatory warning symbols on some products indicating high levels of saturated fat, sodium or sugar, following new federal labelling rules that came into effect this month.

The regulations, which took effect on January 1, require a prominent black-and-white symbol on the front of prepackaged foods that meet or exceed set thresholds for these nutrients.

"The label must appear on prepackaged foods that meet or exceed set levels for saturated fat, sugars or sodium," Health Canada said in a statement, as reported by CTV.

Jennifer Lee, an assistant professor at Toronto Metropolitan University's School of Nutrition, said the symbol is intended to make nutrition information ...