INS 330, INS 322, INS 551: What these numbers on packaged foods actually mean

INS 330, INS 322 and INS 551 may look like complicated codes on food packets, but they simply identify specific food additives. Here’s what each one means and what you should check beyond these numbers.If you have ever looked at a food packet and wondered what numbers like INS 551, INS 330, or INS 322 mean, we’ll simplify it for you.