There are a wide variety of grains that are considered "ancient grains," and while some are naturally gluten-free, others are not gluten-free.
Gluten-Free Ancient Grains
Ancient Grains That Contain Gluten
False rumors about ancient grains have been circulating on the Internet. These incorrect statements are claiming that all ancient grains are safe for those on a medically necessary gluten-free diet. According to these myths, those with celiac disease or non-celiac gluten sensitivity can tolerate ancient gluten-containing grains, like freekeh, kamut, emmer and spelt, but this is simply not true. Researchers recently put this rumor to rest; a 2013 study found that exposure to wheat, whether from an ancient grain or not, still launches the autoimmune response seen in people with celiac disease.
As with all naturally gluten-free grains (like amaranth, for example), it is important to purchase amaranth that is labeled or (preferably) certified as gluten-free. Similar to oats, naturally gluten-free grains like amaranth can come into contact with gluten-containing grains during the milling and distribution process. If you see a gluten-free grain listed in the ingredients on a food label, it is important to ensure that the company is using labeled or certified gluten-free grains.
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