Nat

Nat is a mineral salt, specifically sodium nitrite. It is a white crystalline powder that is often produced industrially. Sodium nitrite is used in food processing, particularly in cured meats.

Nat is primarily used as a preservative and a curing agent in processed meats like hot dogs, bacon, and deli meats. It helps prevent the growth of harmful bacteria, such as Clostridium botulinum, and also contributes to the pink color and characteristic flavor of cured meats.

In the US, sodium nitrite is permitted as a food additive. The FDA has reviewed its use and considers it safe when used within specified limits. Concerns have been raised about the potential formation of nitrosamines, which are formed when nitrites react with amines at high temperatures, and have been linked to cancer in animal studies. However, regulatory bodies like the WHO/IARC have classified some nitrosamines as possibly carcinogenic to humans. The evidence regarding the health effects of sodium nitrite at typical dietary levels is mixed and under ongoing scientific discussion.