Tag: Food sources of iodine

While milk's iodine content is naturally low, it has become a major dietary source of this vital mineral in many countries due to standard dairy farming practices. This elevated level is a result of intentional feed supplementation and external hygiene procedures.

An analysis of commonly consumed vegetables found that most, including lettuce, contain very low amounts of naturally occurring iodine, far less than seafood or dairy products. Understanding the real iodine content in lettuce is important for those managing their dietary intake for thyroid health.

According to historical public health records, severe iodine deficiency was once a global problem, manifesting as endemic goiter in millions of people. This widespread issue before the 1920s begs the question: **how did people get iodine before iodized salt** became a standard fixture in our kitchens?