Certified Gluten-Free. Non GMO Project verified. nongmoproject.org. A true reduction. No added thickness. Made with IGP balsamic vinegar of Modena. The wisdom of Nonna Pia. Norman, you need to learn your way around a kitchen, because when you grow up you may fall for someone who can't cook! -Nonna Pia, circa 1918. Well, that ended up being wise counsel. Chef Norm married the lovely Natasha who burns salads. That said, even her dishes are delicious with our amazing balsamic reductions. From our family to yours a traditional reduction slow cooked to a velvety, smooth perfection. www.nonnapias.com.