Smoothie #2: Prebiotics, Phytochemicals, "Anti-Nutrients" & Hydrolyzed Collagen
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Isothiocyanates
addresses concerns about isothiocyanates, compounds found in kale and other cruciferous vegetables, which are often misunderstood as harmful. She explains that while isothiocyanates can compete with iodine for thyroid uptake, they do not cause hypothyroidism unless there is a severe iodine deficiency, which is rare 1. emphasizes their potent anticancer properties, noting that they inhibit enzymes that activate carcinogens and promote detoxification enzymes that protect DNA 2.
My smoothie recipe has been designed to maximize, not minimize, for the isothiocyanate content.
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She reassures listeners that the benefits of isothiocyanates outweigh the theoretical risks, supported by animal studies and her personal experience 1.
Oxalates
The discussion on oxalate levels in spinach highlights potential concerns and mitigation strategies. explains that while oxalates can increase kidney stone risk, boiling spinach reduces soluble oxalate content 1. She notes that magnesium and calcium in the smoothie bind to oxalates, making them insoluble and reducing absorption to less than 5% 1.
Both magnesium and calcium ions have been shown to dramatically decrease the amount of oxalate absorption in healthy human volunteers down to less than 5%.
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Patrick's long-term consumption of raw spinach in her smoothies has not resulted in kidney or thyroid issues, reinforcing the safety of her approach 1.