Test Your Thyroid Function
cabbage, broccoli, cauliflower, Brussels sprouts, and kale —
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
Factors like a diet deficient in good quality protein and B-vitamins can also impair liver function,
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
Dr. Peat advocated for measuring total T4 and T3 instead of their free forms.
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
Low blood sugar (hypoglycemia) and a lack of selenium are also known to impede the conversion of T4 to T3
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
A low resting pulse rate is recognized as a sign of hypothyroidism (Harward Medical School, 2023; Bhatt, 2020).
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
After consuming a balanced breakfast cortisol and adrenaline levels typically begin to normalize as blood sugar is sustained by food, instead of the stress hormones. This is an opportune time to measure both temperature and pulse rate, as it offers a clearer indication of thyroid function, free from the distortive effects of stress hormones (Peat,
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Understanding that individuals with low thyroid function often compensate by producing higher levels of stress hormones, such as cortisol and adrenaline, is crucial (Peat, 2008, pp. 4-5; Peat, 2001a, p. 72). These hormones can significantly alter a person's appearance and physiological markers, potentially misleading healthcare professionals (Peat,
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Dr. Ray Peat emphasized that he never encountered a person with a TSH level over 2 mIU/L who was in good health.
Benedicte Mai Lerche MSc PhD • Test Your Thyroid Function
In addition to testing for TSH, total T3, and total T4, further valuable information can be obtained by testing for reverse T3 (rT3) and thyroid antibodies.