Episode - Are Smoothies Toxic To Your Thyroid?


Are Smoothies Toxic To Your Thyroid?

“You have to customize what you eat according to your health and tolerance.”

I’m a big smoothie person, and so are many of my patients. But while green smoothies offer a lot of potential health benefits, there can also be downsides depending on what you include.

Today I’m sharing about one of the main concerns: oxalates. Sally K. Norton, the author of Toxic Superfoods, joins me to break down why you should be aware of the oxalate levels of your smoothie ingredients and the best approach to creating low-oxalate smoothies.

Even if you’re not a smoothie person, I think you’ll find this to be interesting, as you still might be eating some of these higher oxalate foods on a regular basis. Enjoy the episode!


About Sally K. Norton

Sally K. Norton, MPH holds a nutrition degree from Cornell University and a master’s degree in Public Health. Her path to becoming a leading expert on dietary oxalate includes a prior career working at major medical schools in medical education and public health research. Her personal healing experience inspired years of research that led to her book, Toxic Superfoods, which was released in January 2023 from Rodale Press and is available everywhere books are sold. As a leading expert on oxalates in food, Sally’s work has been featured by podcasters, radio shows, and several online and print journals.


During this episode, you’ll learn:

  • Why I cut back on spinach in my smoothies
  • The importance of giving yourself time to make changes in your life
  • Swapping spinach out for lettuce
  • Low-oxalate greens and fruits you can include in your smoothies
  • Thickening options for a low-oxalate smoothie
  • Using high oxalate foods in culinary amounts
  • The benefits of boiling certain plant foods
  • Why Sally recommends going organic, particularly with plant foods
  • What to look for when choosing a protein powder
  • Why plants produce oxalates


As always, I hope you found this episode valuable, and I look forward to catching you in the next episode!


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