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Many people like to take a vitamin pill each day to make sure they are getting enough essential nutrients, and many medical professionals often recommend this practice. But, did you know that vitamins can contain soy?
Vitamins are indeed good for you, and the nutrients and minerals present in them do not contain soy, but the processing of the pill itself might introduce soy into the product. Vitamin pills needs to have a binding agent to hold everything together, and some vitamins use soybean oil or soy lecithin as this binding agent. Sometimes an ingredient generically labeled as "lecithin" is included, which makes it difficult to determine if it is soy-based or not.
Don't worry! There are many vitamins that don't use soybean oil or soy lecithin, so you still have plenty of options to choose from. It is possible that other medicine also uses soybean oil or soy lecithin. However, the list of medications that use soybean oil is pretty short, so it usually isn't a worry. Still, make sure your doctor is aware of your sensitivity to soy (always discuss these things with your doctor!) to avoid any unpleasant surprises.
Since they aren't quite food, it is easy to forget that vitamins can contain soy, but it is important to check the ingredients before you buy!