Cognitive

Memory

About Memory — Cognitive.

Short-term memory, recall, and age-related memory decline.

6studies analysed

3compounds with evidence

Meta-analysisstrongest evidence

Where research is strongest

Add your outcome — free & pseudonymous

Tried something for Memory? Share how it went — only ever published as part of a group of 10+.

6linked compounds

16linked studies

0published community reports

Results By the numbers Community Research Compounds

Headline results for Memory.

Figures as the studies reported them.

Colour keyReported a benefitNo clear benefitUnclearPossible harmAmber is for highlights, such as where the most research is. It never means a result was good.

Bacopa Monnieri

6 of 9 results reported a benefit

3 studies, including a review of trials

Attention and short-term memoryNo clear benefit foundmeasurement not reportedBrahmi did not improve attention or verbal and visual short-term memory compared to placebo.1 randomised trial2002 study ↗

No figure given: Everyday memory and anxiety (no clear benefit); Delayed word recall (reported a benefit); Retention of new information (reported a benefit).

Also measured alongside: Task-switching time (reported a benefit); Reaction time (reported a benefit); Attention task performance (reported a benefit); and 2 more.

Every result

Alpha GPC

2 of 2 results reported a benefit

2 randomised trials, 120 people

Attention and memoryReported a benefitmeasurement not reportedAlpha-GPC counteracted scopolamine-related attention and memory impairment compared to placebo pretreatment.1 randomised trial1991 study ↗

Also measured alongside: Thinking test performance (reported a benefit).

Every result

Glycine

2 of 5 results reported a benefit

1 randomised trial

Memory recallReported a benefitmeasurement not reportedBioglycin improved Retrieval from episodic memory with no comparator reported.1 randomised trial1999 study ↗

Also measured alongside: Divided attention (no clear benefit); Focused attention (no clear benefit); Mood (no clear benefit); and 1 more.

Every result

Where the evidence is concentrated.

Published research

Memory: findings by compound

What this means: Bars count reported findings, not treatment effectiveness or certainty.

One study may report several findings or appear in more than one pairing. Counts do not show the size of an effect. Comparable numerical estimates are not established for this summary.

View the full data table

Published research: reported directions by pairing
Compound and condition	Findings (count)	Studies (count)	Reported results (finding counts)	How sure?
Bacopa Monnieri	9	3	Benefit: 6; no benefit: 3; harm: 0; unclear: 0; not recorded / unrecognised: 0	Not formally graded
Alpha GPC	2	2	Benefit: 2; no benefit: 0; harm: 0; unclear: 0; not recorded / unrecognised: 0	Not formally graded
Glycine	5	1	Benefit: 2; no benefit: 3; harm: 0; unclear: 0; not recorded / unrecognised: 0	Not formally graded

Degree of benefit for Memory

Strongest evidence first.

Published research: Memory. Study design is not a certainty grade.
Compound	Study designs	Reported findings
Bacopa MonnieriResearch score 52/100 · Moderate	1 systematic review/meta-analysis + 2 randomised trials — 3 studies	6/9 outcomes showed benefit Delayed word recall memory (AVLT)Reported a benefit — measurement not reportedbenefit2008 study ↗ Exact figures n=48 · Follow-up: 12 weeks · Sample (as reported): 48 · Recorded unit: Not reported · Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly: a randomized, double-blind, placebo-controlled trial. · Randomized Controlled Trial · rct · PMID 18611150 Divided Attention Task, WAIS digit task, mood, blood pressureNo clear benefit found — measurement not reportedno benefit2008 study ↗ Exact figures n=48 · Follow-up: 12 weeks · Sample (as reported): 48 · Recorded unit: Not reported · Effects of a standardized Bacopa monnieri extract on cognitive performance, anxiety, and depression in the elderly: a randomized, double-blind, placebo-controlled trial. · Randomized Controlled Trial · rct · PMID 18611150 Attention and short-term memoryNo clear benefit found — measurement not reportedno benefit2002 study ↗ Exact figures n=Seventy-six · Follow-up: three months · Sample (as reported): Seventy-six · Recorded unit: Not reported · Chronic effects of Brahmi (Bacopa monnieri) on human memory. · Randomized Controlled Trial · rct · PMID 12093601 Everyday memory and anxietyNo clear benefit found — measurement not reportedno benefit2002 study ↗ Exact figures n=Seventy-six · Follow-up: three months · Sample (as reported): Seventy-six · Recorded unit: Not reported · Chronic effects of Brahmi (Bacopa monnieri) on human memory. · Randomized Controlled Trial · rct · PMID 12093601 +5 more outcomes →
Alpha GPCResearch score 62/100 · Moderate	2 randomised trials — 2 studies	2/2 outcomes showed benefit Attention and memory after scopolamineReported a benefit — measurement not reportedbenefit1991 study ↗ Exact figures n=Thirty-two · Follow-up: ten day · Sample (as reported): Thirty-two · Recorded unit: Not reported · Effect of L-alpha-glyceryl-phosphorylcholine on amnesia caused by scopolamine. · Randomized Controlled Trial · rct · PMID 2071257 Psychometric performance in vascular dementiaReported a benefit — measurement not reportedbenefit1991 study ↗ Exact figures n=120 · Follow-up: 90 days · Sample (as reported): 120 · Recorded unit: Not reported · A multicentre trial to evaluate the efficacy and tolerability of alpha-glycerylphosphorylcholine versus cytosine diphosphocholine in patients with vascular dementia. · Randomized Controlled Trial · rct · PMID 1916007
GlycineResearch score 18/100 · Mixed/Weak	1 randomised trial — 1 study	2/5 outcomes showed benefit Retrieval from episodic memoryReported a benefit — measurement not reportedbenefit1999 study ↗ Exact figures No figures reported · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Beneficial effects of glycine (bioglycin) on memory and attention in young and middle-aged adults · Randomized Controlled Trial · rct · PMID 10587285 Sustained attentionReported a benefit — measurement not reportedbenefit1999 study ↗ Exact figures No figures reported · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Beneficial effects of glycine (bioglycin) on memory and attention in young and middle-aged adults · Randomized Controlled Trial · rct · PMID 10587285 Divided attentionNo clear benefit found — measurement not reportedno benefit1999 study ↗ Exact figures No figures reported · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Beneficial effects of glycine (bioglycin) on memory and attention in young and middle-aged adults · Randomized Controlled Trial · rct · PMID 10587285 Focused attentionNo clear benefit found — measurement not reportedno benefit1999 study ↗ Exact figures No figures reported · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Beneficial effects of glycine (bioglycin) on memory and attention in young and middle-aged adults · Randomized Controlled Trial · rct · PMID 10587285 +1 more outcome →

Important: This page reflects observational, aggregate-only community reporting and independent published research. It is not medical advice, and it does not claim any compound treats, cures, or is effective for any condition. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or treatment.

No community reports published yet.

We publish memory results only once at least 10 people report on the same compound, so no individual report is ever shown.

Alpha GPC
Research saysResearch score 62/100 · Moderate2 of 2 studies reported at least one benefit
People reportNot published yet — needs 10 or more reports
Bacopa Monnieri
Research saysResearch score 52/100 · Moderate3 of 3 studies reported at least one benefit
People reportNot published yet — needs 10 or more reports
Glycine
Research saysResearch score 18/100 · Mixed/Weak1 of 1 study reported at least one benefit
People reportNot published yet — needs 10 or more reports