Cognition / mood: what the evidence supports

2 graded interventions for cognition / mood, ranked by strength of evidence.

Overall grade: Grade D
Last revised: Jul 10, 2026; 2
graded outcomes: 0
references listed

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

2 at grade D — 2 graded rows

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

Outcome	Grade	Effect size	Agreement
AniracetamMostly preclinical	Evidence grade D	Trivial	low
DMAEMixed	Evidence grade D	Trivial	low

AniracetamEvidence grade D
Mostly preclinical
Triviallow
DMAEEvidence grade D
Mixed
Triviallow

What is uncertain

Read off the same rows as above. Nothing here is added that the entry does not itself record.

Thin evidence: Aniracetam (grade D); DMAE (grade D).

The evidence in words

The evidence map

This is the ranked evidence for cognition / mood: every compound in the knowledge base with a graded effect, best-supported first. Grades reflect replication and effect size, not popularity or marketing.

Best-supported

No intervention here reaches grade A or B — an honest reflection of how thin the evidence for cognition / mood still is.

Weaker or unproven

Aniracetam (grade D) — Mostly preclinical · DMAE (grade D) — Mixed

Goes with

AniracetamGrade DEvidence grade D
DMAEGrade DEvidence grade D

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Sources

This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.

Last revised Jul 10, 2026. A grade is this entry's reading of the evidence, not medical advice.