How do you read 乳製品?

乳製品 is read にゅうせいひん (Nyūseihin).

乳製品 (Nyūseihin)

Dairy

乳製品 (にゅうせいひん, Nyūseihin) is Dairy — a Japanese food (dairy products, foreign foods).

Nyūseihin means "dairy products".