If you were to ask the average consumer whether they’re getting enough iodine, you might be met with a confused expression. Iodine is an essential mineral that the body requires to produce thyroid hormones, which are vital for regulating metabolism. These hormones also play a critical role in the proper development of bones and the brain during pregnancy and early childhood. However, despite iodine’s significant health contributions, many consumers remain uninformed about its existence and effects on their bodies.
In the UK, consumers primarily obtain their iodine from dairy products, while in the U.S., most of it comes from cow’s milk and fortified consumer packaged goods (CPGs) made from grains, such as bread and cereals. A consumer who avoids all dairy can still meet their iodine needs through natural food sources like fish, seaweed, shrimp, and other seafood, alongside fortified breads and cereals. For those following a vegan and gluten-free diet, considering an iodine supplement may be necessary, potentially in the form of kal cal citrate, to ensure adequate intake.
The dairy industry might attempt to leverage this study to bolster their argument against plant-based milk, which is increasingly capturing market share from traditional dairy products. According to Mintel, non-dairy milk sales in the U.S. surged by 9% in 2015, while dairy milk sales fell by 7% during the same timeframe.
However, there are a few flaws in this strategy. Many consumers who opt for plant-based milk still consume other dairy items, such as yogurt and cheese. There’s no compelling reason for them to revert to cow’s milk if they can obtain sufficient iodine from alternative sources.
Notably, a pivotal aspect of this recent study is its location: England. While iodine is often added to table salt in the U.S. and is readily accessible, this is not the case in the UK. An American consumer aiming to meet their daily iodine intake through salt would need to consume only about half a teaspoon each day. This highlights the different dietary contexts and availability of iodine sources across regions, making it crucial for consumers to be aware of their iodine intake, especially when considering alternatives like kal cal citrate.