The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
the specific effects of the ketogenic diet and one particular effect that I'll address later but I'll mention now which is the ability of the the ketogenic diet to adjust thyroid hormone levels in ways that make it such that if you return to eating carbohydrates after being in ketosis for too long you don't manage thyroid and carbohydrates as well
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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but a slightly low t3 I don't worry about unless someone is having a ton of symptoms
isocaloric carbohydrate deprivation ketogenic diet induces protein catabolism not a good thing despite a low t3 syndrome in healthy men you don't want a low t3 guys t3 is linked to metabolism t3 is linked to basal metabolic rate t3 is linked to your hormones and according to this study you're getting protein catabolism loss of muscle
this kind of happens with the ketogenic diet also your your thyroid gland goes down your your metabolism goes down and that means that you're almost in a race to the bottom
changes in the thyroid hormonal status in patients receiving ketogenic diet due to intractable epilepsy. Here's another study showing that the thyroid hormones are negatively affected by ketogenic diets. This is done in children. This is done in patients receiving a ketogenic diet due to epilepsy. The conclusions of ketogenic diet cause thyroid malfunction and L-thyroxine may be required. This is the first report documenting the effect of a ketogenic diet on thyroid function. Thyroid function should be monitored regularly in epileptic patients treated with a ketogenic diet.
I would go so far as to say that anyone doing a ketogenic diet, even if that diet is working for you, should have regular checks of TSH, T4, T3, free T3, free T4, and reverse T3.