October 27, 2015 3:11 PM EDT

If you’re indulging your sweet tooth this Halloween, beware—not all candies were created equal.

Some snack-sized Halloween candies have more sugar than others, according to a list compiled by Cooking Light. And that difference may matter: a new study released Tuesday declared sugar “toxic” and warned that it can cause health problems.

Of the 40 candies the Cooking Light examined, the one with the most sugar was, perhaps fittingly, Sugar Babies: the 21 g snack size packet of the candy-coated caramels contains 15 g of sugar. Other sugary candies include a single Charm’s Blow Pop (13 g sugar) and a mini box of Nerds (12 g sugar). (For perspective, a teaspoon contains 4 g of sugar.)

Here’s a look at the sweetest treats:


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