Ingredient guide · cognitive

Citicoline

Brain choline + uridine for memory & focus

The clinically studied dose

500mg per day Clinical

Source: Examine.com — Citicoline (CDP-Choline) — 250–500 mg/day for attention/memory (Cognizin trials).

What it is

A choline source (CDP-choline) that supplies both choline and uridine to the brain.

What the research supports

Attention and focus
Memory
Brain energy and membrane repair

How it works

Provides choline for acetylcholine plus building blocks for brain-cell membranes.

Side effects & safety

Very safe. Occasional mild headache or GI upset. Well studied as Cognizin.

What it should cost

	Per serving
Typical branded single-ingredient product	$0.75
Bulk powder at the clinical dose (250g, $20.00)	$0.04

Buying bulk powder instead of a branded bottle saves about 95% per serving.

Bulk price: $20.00/250g → Alt source: $24.99/30g

Graded products that contain it

Related ingredients

Educational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.