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Nootropic

DMAE L-Bitartrate

Also known as: DMAE, dimethylaminoethanol bitartrate, 2-dimethylaminoethanol L-bitartrate

C
Evidence

DMAE is a choline precursor that may support acetylcholine production and cognitive function, though human evidence is more limited compared to citicoline. It has been studied for mood, focus, and age-related cognitive decline.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • cognitive enhancement
  • mental focus
  • mood support
  • attention and concentration
  • age-related cognitive support

How it works

  • precursor to acetylcholine synthesis
  • may increase choline availability in the brain
  • antioxidant properties
  • potential membrane fluidity enhancement

Dosage

Typical range
300-1,200 mg daily (often 300-600 mg in divided doses)
Timing
morning or split into morning and midday; avoid evening dosing
With food
can be taken with or without food
Duration
effects may take 4-8 weeks; some users report faster response
Special populations
Not recommended in pregnancy/lactation; limited safety data in children

Forms

  • powder· 70/100
  • capsule· 70/100

Safety

Common side effects

  • insomnia or sleep disruption (if taken late)
  • headache
  • irritability or mood changes
  • muscle tension
  • dizziness (rare)

Contraindications

  • bipolar disorder (potential mood destabilization)
  • depression or anxiety disorders (may exacerbate in some individuals)
  • history of seizures

Evidence notes

Older literature suggests cognitive and mood benefits, but clinical evidence is less robust than citicoline. Most studies are observational or older; modern RCT data is limited.

Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.