What should I know about TSH Training?

The term 'TSH Training' is misleading. TSH (thyroid-stimulating hormone) is secreted by the pituitary gland and regulates thyroid function – it is not a trainable parameter like muscle strength or endurance. Lifestyle factors such as sleep quality, stress, iodine or selenium intake can influence TSH levels, but targeted 'TSH optimization' through training or diet is not scientifically supported. If TSH values are abnormal (e.g., >4.0 mU/L or <0.3 mU/L), medical evaluation is essential, not a self-optimization program. Most commercial 'TSH Training' offerings rely on weak evidence or uncritically extrapolate findings from clinical populations to healthy individuals. A blood test can show the current state, but without physician interpretation and further diagnostics (fT3, fT4, antibodies), its value is limited. Those wanting to support thyroid health should focus on adequate sleep, moderate endurance exercise, and balanced iodine and selenium intake – without expecting to 'train' their TSH level.