Silicone Dioxide
What is Silicone Dioxide?
Silica dioxide, also known as silicon dioxide, is a form of silicon dioxide, a naturally occurring compound. It is made from sand and quartz. It is manufactured by reacting silicon tetrachloride with oxygen or by precipitating silica from a silicate solution.
Is Silicone Dioxide vegan?
Silicone Dioxide is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Silicone Dioxide gluten-free?
It does not contain gluten.
Is Silicone Dioxide a major allergen?
Silica dioxide is not derived from any of the nine FDA major allergens.
What is Silicone Dioxide used for?
Silica dioxide is used as an anti-caking agent to prevent powdered foods from clumping.
Is Silicone Dioxide safe?
In the U.S., silica dioxide is Generally Recognized As Safe (GRAS) by the FDA for use as an anti-caking agent.
Why it's used
Silica dioxide is used as an anti-caking agent to prevent powdered foods from clumping. It helps powders flow freely, making them easier to measure and mix. It is commonly found in powdered drink mixes, spices, salt, and grated cheese.
Health notes
In the U.S., silica dioxide is Generally Recognized As Safe (GRAS) by the FDA for use as an anti-caking agent. It is not absorbed by the body and is passed through undigested. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated silica dioxide and found no safety concerns at typical intake levels. No numeric acceptable daily intake (ADI) has been set by JECFA.
Allergen info
Silica dioxide is not derived from any of the nine FDA major allergens. It does not contain gluten.
Foods that contain Silicone Dioxide
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