間食は

as for snacking

→ 間食
phrase Rare #31,657
as for snacking 間食 means eating between meals or snacking, and は marks it as the topic. In natural English, this is often translated simply as “snacking.”
JA: 間食は控えています。
EN: I try to avoid snacking.

間食はしない方がいいよ

You’d better not snack between meals.

間食はよくない習慣

Snacking is a bad habit.

間食はしないで

Don't snack.

間食はよくない

Snacking is bad for you.