Shamrock Farms said it is issuing a voluntary recall of Shamrock Farms 2% reduced fat Vanilla 1/2-gallon milk having a “Best Before Date” of 3/16/2019. The recall comes after a product retain of the product tested positive for an undeclared tree nut (almond) allergen.

People with tree nut allergies could be affected, with allergic reactions that can range from a mild rash to severe breathing difficulties, the Phoenix-based company said. While there have been no reports of illness as the result of consuming this product, this request is being conducted as a precautionary measure to ensure the health and safety of consumers.

The product was shipped to retail and distributor customers throughout Arizona. Shamrock Farms said it already notified retail customers that were shipped the affected product.