Ingredient ProfilePreservativeReviewed 2026-04-14

Nitrates and nitrites

Nitrates and nitrites: what it does in food, current safety notes, diet compatibility, and shopper guidance from IngrediCheck.

Aliases and label clues

Nitrates and nitritessodium nitritecure saltsnitrate curing agents

Overview

Nitrates and nitrites are curing agents used in processed meats to control microbes, preserve color, and deliver the familiar flavor profile of bacon, deli meat, and sausages. They are functional ingredients, not just cosmetic extras.

Diet snapshot

Gluten freeDepends
VeganNo
Low FODMAPDepends
Dairy freeDepends

What It Does in Food

Nitrates and nitrites is most commonly used as preservative, curing agent, and color fixative in packaged food.

preservativecuring agentcolor fixative

Category

Preservative

Evidence and Regulatory Summary

The question is not whether nitrates exist in food at all, but how processed-meat exposure, nitrosamine formation, and labeling language interact. Reviews keep pointing back to dose, processing conditions, and product context rather than one neat yes-or-no answer.

Diet Notes

People reducing colorectal cancer risk often focus on processed meat patterns instead of chasing every nitrate mention in isolation. Naturally occurring nitrate from vegetables is a different context from cured-meat use and should not be treated as the same story.

Shopper Guidance

Use nitrates as a signal to compare products within the processed-meat aisle. Labels that say 'no nitrates added' can still rely on celery powder or similar inputs, so the overall product category still matters.

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