Metabolic
Biomarker

Hemoglobin A1c

Included in Essential Labs
Why we test it
Hemoglobin A1c measures your average blood sugar over 2-3 months. Elevated HbA1c, even below the diabetes threshold, is linked to accelerated brain aging, reduced hippocampal volume, and increased dementia risk.
BetterBrain target
< 5.3% (ideal < 5.0%)
Standard diabetes threshold is 6.5%. Our brain-optimal target is much lower — even pre-diabetic levels are linked to brain aging.
What you Can do
  1. Mediterranean diet
  2. Aerobic cardio training
  3. Strength training
  4. Time-restricted eating
  5. Berberine

Test what matters for your brain and get a personalized action plan in a BetterBrain Program.

Find Your Program