PrometheusGeneral

Uridine and Choline

Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.

Compound or practice

Uridine

A nucleotide with a plausible membrane-and-dopamine story and thin standalone human data.

Grade C1 graded outcomerevised Jul 10, 2026

A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.

Compound or practice

Choline

An essential nutrient most people under-eat — critical in pregnancy for fetal brain development.

Grade B3 graded outcomesrevised Jul 10, 2026

A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.

Swap the two

Graded in both

Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.

No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.

Graded only in Uridine

  • Cognition (with DHA/choline) Small effectEvidence grade C

Graded only in Choline

  • Fetal brain development (pregnancy) Moderate effectEvidence grade B
  • Cognition (replete adults) Small effectEvidence grade C
  • Liver fat Small effectEvidence grade C

Conditions

Only in Uridine

None.

Only in Choline

What each entry says about the other

  • Uridine’s entry · Works together: Membrane-synthesis stack, often with DHA.
  • Uridine’s entry · Goes with: Membrane-synthesis stack, often with DHA.

Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.