Calcium carbonate, magnesium oxide, maltodextrin. Contains less than 2% of: blue 2 lake, cholecalciferol (vit. D3), copper sulfate, crosscarmellose sodium, magnesium stearate, manganese sulfate, polyethylene glycol, polyvinyl alcohol, red 40 lake, talc, titanium dioxide, tocopherols, (to preserve freshness), yellow 6 lake, zinc oxide.
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.