E535, or calcium ferments, is widely used in the food industry as a stabilizer and preservative.
It has acidic properties and can regulate the acidity of products.
This additive may contain carbohydrates that are not always friendly to ketosis.
Usually, E535 can be found in a variety of products, such as juices, soft drinks, canned goods, cheeses, dairy products, etc.
Consuming E535 in moderate amounts usually does not pose a serious health risk.