The FDA has indeed elevated the risk classification of a nationwide butter recall to Class II due to a potential undeclared milk allergen, which is the agency's second-highest warning level.
The U. S. Food and Drug Administration (FDA) has elevated the risk classification for a nationwide butter recall, now labeling it a Class II recall — the second-highest warning level —due to a potential undeclared allergen.

FDA recalls over 64,000 pounds of butter over milk allergen risk; warning issued for adverse health consequences - Today News
Source: livemint.com
Key Evidence
The FDA's official classification of the recall as Class II was reported on July 31, 2025, indicating the risk level associated with undeclared milk allergens in the butter product.
The recall covers over 64,000 pounds of butter distributed nationwide, with warnings about possible temporary or medically reversible adverse health effects.
These details are corroborated by multiple news outlets and FDA statements.
What the Evidence Shows
Multiple credible sources confirm that on July 31, 2025, the U.S. Food and Drug Administration (FDA) classified a nationwide butter recall as a Class II recall. This classification indicates that consumption of the recalled butter could cause temporary or medically reversible adverse health consequences, primarily due to the presence of an undeclared milk allergen. The recall involves approximately 64,800 pounds of butter distributed across the United States and other regions.
The Class II designation is consistent with FDA's definition, where exposure to the product may cause temporary health issues or reversible effects, but serious adverse health consequences are unlikely. This action underscores the FDA's commitment to consumer safety by ensuring allergen labeling compliance and protecting individuals with milk allergies from potential harm.