The Morinaga Milk arsenic poisoning incident occurred in 1955 in Japan and is believed to have resulted in the deaths of over 100 infants. The incident occurred when arsenic was inadvertently added to dried milk via the use of an industrial grade monosodium phosphate additive. This incident also led to negative health effects for thousands of other infants and individuals, which has had lingering health effects.

This company has sustainability claims on its website under the themes Food and Wellness, Resources and the Environment, and People and Society.

In 2023, the Carbon Disclosure Project (CDP) asked companies to provide data about their efforts towards removing commodity-driven deforestation and forest degradation from its direct operations and supply chains. Responding companies are scored across four key areas: disclosure; awareness; management; and leadership. This company received a CDP Forests score of C-.