Soy on its own is gluten-free. “Soy” may refer to soybeans or the soy protein from soybeans, both of which are gluten-free.
Regular soy sauce is not gluten-free. Wheat is a primary ingredient in soy sauce, which surprises many people new to the gluten-free diet. Several gluten-free soy sauce options are available that use rice instead of wheat. If you cannot find soy sauce marked gluten-free, tamari is a good gluten-free substitute. As always, read the ingredient label before purchasing and eating.
Soybean oil is a type of vegetable oil that is extracted from soybeans. Soybean oil is gluten-free.
Soy lecithin is a fatty substance extracted from soybeans. It’s commonly used as an emulsifier to keep water and oil from separating in food products. Soy lecithin is gluten-free.
Soy flour is created by grinding soybeans down to a fine powder. Soy powder is gluten-free.
Most soy milk is gluten-free. Because different manufacturers may use flavorings and preservatives in addition to soy, check the ingredient label before consuming soy milk.
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