If you have Hashimotos, this typically also means going on a gluten-free diet, as many studies show a connection between Hashimotos hypothyroidism and a gluten intolerance or celiac disease
This is something that should make intuitive sense your mitochondria turn calories into ATP, so if you eat too many calories, then logically we would expect your mitochondria to make too much ATP
Rhamnosus L
Metabolites 7 (2), 14
Back Bell, GI, Sangez-Pescador, R, Laybourn, PJ, Najarian RC (1983) 'Exon duplication and divergence in the human preproglucagon gene', Nature , 304, 368-71
The first is because it is broken down in the digestive system and liver, so only a small amount of it is absorbed intact into the bloodstream