What can the TSH Schilddrüse tell you — and what not?

The provided context contains no information about TSH or thyroid. Therefore, I can only answer based on general medical knowledge: A TSH test measures thyroid-stimulating hormone in blood and indicates thyroid function (e.g., hyper- or hypothyroidism). However, it alone cannot reveal the underlying cause (e.g., Hashimoto, nodules, medication effects) and does not replace further diagnostics like fT3, fT4, antibodies, or ultrasound. In consumer tests like MyBody-X, TSH is often offered as a biomarker, but interpretation without clinical context is limited. Evidence for routine TSH screening in asymptomatic individuals is weak. Beware of overdiagnosis and self-medication. The provided sources do not address TSH.