Does Eating Kale Really Damage Your Thyroid?

Does Eating Kale Really Damage Your Thyroid?

Recently, super-vegetable kale has come under fire for its potentially-harmful effects on the thyroid. While this “it” food is worshipped by many health-conscientious followers including celebrities, world politicians and average-Joes alike, it does fall into the cruciferous vegetable family, which means it contains goitrogens that can contribute to an oversized thyroid. Unfortunately for kale-lovers, these goitrogens can seriously impinge on the thyroid’s ability to produce hormones, which is the basis for the whirlwind attention the vegetable has been receiving lately in regards to its thyroid-damaging tendencies.

Lucky for us, there have been very little scientific findings to back up this idea that kale is harmful to the thyroid. In fact, we know it to be extremely beneficial to several of our body’s systems because it is high in magnesium. The theory that it could cause significant thyroid damage originated last year thanks to an opinion piece published in the New York Times that brought the risk to the forefront of the public mind.

Based on medical studies, there is little reason the believe there is a link between kale consumption and thyroid cancer. One study showed there is zero basis for that theory, while another suggested a possible link only in subjects whose dietary iodine intake is relatively low.

Kale: Good or Bad?
All this bad press was spurred by an elderly woman in China, who ate an unprecedented amount of kale for several months – up to 3.3 pounds of the raw, leafy greens per day! In her case, she was diagnosed with an extreme case of below-average thyroid function. It is worth noting, however,

Disclaimer: All content on this website is for

educational and informational purposes only

and should not be considered to be a specific diagnosis or treatment plan for any individual situation.   Use of this website and the information contained herein does not create a doctor-patient relationship.   Always consult with your own doctor in connection with any questions or issues you may have regarding your own health or the health of others.