4 min learnNew DelhiSep 9, 2026 04:00 PM IST
In case you have ever checked the ingredient record on a packet of salt, spice combine or different powdered meals, you could have come throughout an unfamiliar identify: calcium silicate.
It’s generally used as an anti-caking agent to stop dry meals from clumping collectively. However the phrase “calcium” in its identify could make you surprise: Is it truly a supply of calcium? And if not, may its consumption hurt your well being?
In a dialog with indianexpress.com, Himanshi Sharma, Chief Medical Nutritionist, ISIC Multispeciality Hospital, explains what customers ought to find out about calcium silicate in meals.
DISCLAIMER: This text relies on info from the general public area and/or the consultants we spoke to. At all times seek the advice of your well being practitioner earlier than beginning any routine.
What’s calcium silicate and why is it added to meals?
Calcium silicate is utilized in meals primarily as an anti-caking agent, as specified by additive rules. Nonetheless, regardless of its identify, calcium silicate shouldn’t be thought of a significant supply of dietary calcium.
“Its position is primarily practical—it improves texture, dealing with, and shelf life with out including dietary worth,” Sharma explains.
She additional specifies that buyers usually tend to discover calcium silicate in dry, powdered or granular meals merchandise the place moisture may cause clumping.
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“These could embrace sure kinds of salt, spice and seasoning powders, powdered drink mixes, soup mixes, espresso creamers and different dry meals preparations, relying on how the product is manufactured,” the nutritionist notes.
Nonetheless, not each product in these classes comprises calcium silicate. The best technique to verify is to search for “calcium silicate” or “INS 552” within the ingredient record.
Is calcium silicate secure to eat recurrently?
“Calcium silicate is permitted as an anticaking agent in India, and it additionally has authorised makes use of in different regulatory methods,” Sharma notes.
Nonetheless, permitted use doesn’t imply that limitless consumption needs to be thought of secure. “European Meals Security Authority (EFSA) has famous that the accessible long-term security information for calcium silicate are restricted, so analysis and regulatory overview stay vital.”
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It’s typically present in sure kinds of salt, spice and seasoning powders, powdered drink mixes, soup mixes, espresso creamers and different dry meals preparations (Ai generated picture)
What occurs to calcium silicate after you eat it?
“In keeping with the accessible proof reviewed by EFSA, silicates dissociate solely to a restricted extent within the gastrointestinal tract, and absorption of the silicate part is taken into account very low,” says Sharma.
A lot of the fabric subsequently passes by way of the digestive system moderately than getting into the bloodstream in vital quantities.
“Small quantities could also be absorbed and subsequently dealt with by the physique, however calcium silicate shouldn’t be considered as a major dietary supply of calcium or silicon.”
Can extreme or extended consumption trigger well being issues?
There may be at present restricted proof to outline the consequences of very excessive or extended dietary publicity to calcium silicate in people.
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“EFSA reported very low absorption and no indication of genotoxicity or developmental toxicity within the accessible research, but in addition highlighted gaps in long-term toxicity information,” Sharma says.
Some animal research have reported accumulation of silicon within the liver and kidneys at very excessive doses. This doesn’t imply that the quantities current in odd meals trigger the identical results, however customers shouldn’t assume that limitless publicity is innocent.
“If somebody experiences persistent digestive signs or has issues about repeated publicity, discussing the weight loss plan with a healthcare skilled is smart,” she provides.
Do you have to keep away from a meals if it comprises calcium silicate?
“Customers don’t usually have to keep away from a product just because it comprises calcium silicate,” Sharma assures.
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Nonetheless, it’s all the time smart to take a look at the general ingredient record and select a balanced weight loss plan with fewer extremely processed meals.
“In case you have a particular medical situation or issues about frequent publicity to components, talk about your weight loss plan with a professional nutritionist or physician,” she concludes.

