19 Do not charge a fellow Israelite interest, whether on money or food or anything else that may earn interest.

Read Deuteronomy 23:19 Using Other Translations

Thou shalt not lend upon usury to thy brother; usury of money, usury of victuals, usury of any thing that is lent upon usury
"You shall not charge interest on loans to your brother, interest on money, interest on food, interest on anything that is lent for interest
“Do not charge interest on the loans you make to a fellow Israelite, whether you loan money, or food, or anything else.