Metabolic
Biomarker

RBC Magnesium

Available as add-on
Why we test it
Magnesium is involved in 300+ enzyme reactions, including neurotransmitter function. This test measures levels inside red blood cells, which is more accurate than serum tests. Low levels are linked to cognitive decline and poor sleep.
BetterBrain target
5.0-6.5 mg/dL
Critical for 300+ enzymatic reactions. RBC magnesium is more accurate than serum. Low levels linked to cognitive decline and poor sleep.
What you Can do
  1. Magnesium glycinate supplementation
  2. Magnesium-rich foods (nuts
  3. seeds
  4. dark leafy greens)
  5. Epsom salt baths
  6. Limit caffeine

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