TSH in Serum

Thyroid Stimulating Hormone is a pituitary signal indicating how much thyroid hormone is requested.

Also known as:

Thyroid Stimulating Hormone

S-TSH

Thyrotropin

TSH ranges

Interpret your result

"Normal" lab range for TSH is between 0.27 and 4.2 µIU/mL:

0.27

4.2

According to OptimalDX, TSH should be between 1 and 2 µIU/mL:

According to Rupa Health, TSH should be between 0.5 and 2.5 µIU/mL:

0.5

2.5

According to Peter Attia, TSH should be between 0.27 and 4.2 µIU/mL:

0.27

4.2

Optimal thyroid health was associated with TSH between 0.4 and 3.77 µIU/mL:

0.4

3.77

Reduced all-cause mortality was associated with TSH between 1.2 and 2.3 µIU/mL:

1.2

2.3

Optimal range

Optimal range for TSH appears to be between 1 and 2.5 µIU/mL:

0.3

2.5

4.4

Images:

TSH on all-cause mortality

Values associated with percentiles were calculated from table S3a in supplement-1.

134,346 participants

Xu et al. (2023)

TSH increases during aging

Taylor PN et al. (2023)

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