It says there that it contains "celery juice". "Celery has a very high concentration of natural nitrate, and treating celery juice with a bacterial culture pro

It says there that it contains "celery juice". "Celery has a very high concentration of natural nitrate, and treating celery juice with a bacterial culture produces nitrite. The concentrated juice can then be used to produce “no nitrite added” processed meat." https://www.mcgill.ca/oss/article/food/celery-juice-viable-alternative-nitrites-cured-meats https://www.mcgill.ca/oss/article/food/celery-juice-viable-a...