YOU SAID:

I'm running out of sustenance

INTO JAPANESE

私の糧不足しています

BACK INTO ENGLISH

My food is missing

INTO JAPANESE

私の食べ物が不足しています。

BACK INTO ENGLISH

My food is insufficient.

INTO JAPANESE

私の食糧は不十分であります。

BACK INTO ENGLISH

My food is not enough.

INTO JAPANESE

私の食糧は十分ではありません。

BACK INTO ENGLISH

My food is not enough.