Nitrate is a chemical made up of nitrogen and oxygen.
Nitrate is commonly referred as a nutrient which stimulates growth.
Foods to which nitrate is added include bacon, fermented sausage, hot dogs, bologna, salami, corned beef, ham, and other smoked or cured meat, fish, and poultry.
nitrate is used to produce the characteristic flavor, texture, and pink color of cured meats.
There are nitrate-free bacon products on the market.
Check labels.
I see the word nitrate free bacon but I have not been able to find out the real difference