Metabolic
Biomarker

Vitamin A

Available as add-on
Why we test it
Vitamin A and its metabolite retinoic acid support gene expression and new neural connections. Both deficiency and excess are harmful, so levels need to be in range rather than simply high.
BetterBrain target
50-80 µg/dL
Involved in neuroplasticity, memory formation, and adult neurogenesis. Both deficiency and excess impair cognition.
What you Can do
  1. Vitamin A-rich foods (liver
  2. sweet potato
  3. carrots)
  4. Beta-carotene sources
  5. Balanced supplementation

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