Hormonal
Biomarker

TSH

Included in Blueprint
Why we test it
Thyroid-stimulating hormone reflects thyroid function, which directly affects brain metabolism, mood, and cognition. Both hypothyroidism and hyperthyroidism are associated with cognitive impairment and increased dementia risk.
BetterBrain target
0.5-2.5 mIU/L (optimal 1.0-2.0)
Standard range is 0.4-4.0 mIU/L. Our tighter target reflects research linking thyroid function to brain metabolism and cognition.
What you Can do
  1. Selenium supplementation
  2. Iodine-rich foods
  3. Stress management
  4. Quality sleep
  5. Thyroid-supportive nutrition

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