High fructose corn syrup, corn syrup, water, cocoa powder, sugar, contains less than 2% of potassium sorbate (a preservative), salt, mono- and diglycerides, xanthan gum, polysorbate 60, vanillin (an artificial flavor).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.