Nootropic
DMAE L-Bitartrate
Also known as: DMAE, dimethylaminoethanol bitartrate, 2-dimethylaminoethanol L-bitartrate
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.
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.