The Impact of Toxic Superfoods on Thyroid Health with Sally Norton

“You have to customize what you eat according to your health and your tolerance.” – Sally K. Norton

Oxalates are naturally-produced chemicals that can be found in a variety of sources and plant foods like spinach and sweet potatoes. When consumed, oxalate crystals can deposit in different areas of the body, including the thyroid, and cause a cascade of adverse effects.

Today I’m super excited to be joined by Sally K. Norton, author of “Toxic Superfoods,” about the impact of oxalates on the body. Sally 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.

In this conversation, Sally and I delve into the prevalence of oxalate crystals in the thyroid gland, the connection between oxalates and health issues such as kidney stones, tips for reducing oxalates in the diet, the challenges of restrictive diets, and more. Enjoy the episode!

During this episode, you’ll learn:

What oxalates are, how they’re formed, and where they’re found
Oxalates and kidney stones
Sally’s recognition of the negative impact of her healthy diet
The impact of oxalates on the thyroid
What research shows about the prevalence of oxalate crystals in the thyroid glands
How oxalates cause gut dysbiosis and other gut issues
Why oxalates can be a factor in autoimmunity
High oxalate foods that Sally recommends avoiding
Sally’s experience with sweet potatoes and why she no longer eats them
Oxalate dosage and toxicity
The potential toxic situation caused by chocolate
What to include in a low-oxalate smoothie
The dangers of over-trusting plants and why we need to curate the best options
What you need to know before choosing a protein powder
The best berry options from a low-oxalate perspective
Limitations of oxalate testing
The surprising risks associated with Vitamin C supplementation
Why the goal should be to reduce oxalates in your diet gradually
The benefits of supplementing with citrates
Reversing oxalate deposits in the body and why prevention is key
The challenges of restrictive diets and eliminating high-oxalate foods

Connect with Sally K. Norton

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Episode - The Impact of Toxic Superfoods on Thyroid Health with Sally Norton