Cognition

DMAE

Choline-like compound studied for memory and attention, but human evidence for cognitive benefits is weak and mixed.

DMAE

DMAE

32
score
C
evidence
Caution
risk

Proven Benefits

01May improve memory
02May support attention
03May reduce hyperactivity

Chemical Forms

Recommended
  • DMAE bitartrate
Avoid
  • DMAE pyroglutamate (less human evidence)
Expert Note

DMAE bitartrate is the most common oral salt and the form used in the limited human studies. Other salts have even less human evidence, so bitartrate is the default choice if you decide to experiment.

Protocol

Amount
100-300 mg
Frequency
Once daily
When
Morning or early afternoon; avoid late-day dosing because it may cause insomnia.

Safety & Limits

Upper Safe Limit
No established UL; doses above 1000 mg/day have not been well studied and are not recommended.
Cycling
Safe for continuous use

Contraindications

Pregnancy or breastfeeding — insufficient safety data
Bipolar disorder — limited data; cholinergic agents may affect mood stability in susceptible people
Seizure disorders — theoretical seizure-threshold concerns
Use of cholinergic medications — additive effects possible

Avoid Combining With

  • Anticholinergic medications (may blunt DMAE's cholinergic effects)
Updated Invalid Date