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Nootropic

Coluracetam

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Coluracetam. Racetam acting on high-affinity choline uptake; studied for depression/anxiety.

How it works. Enhances high-affinity choline uptake (HACU) in damaged cholinergic neurons.

What the research supports. 1 graded claims. Strongest: Reduced symptoms in generalized anxiety + depression (Phase IIa) (limited).

How much to take. Typical dose: 20–80 mg.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with Omega-3 (EPA/DHA), Alpha-GPC or CDP-choline.

Common forms. Available as Capsule, Powder for stacking, Sublingual tablet, Liposomal liquid.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Coluracetam. Anecdotes are not medical advice.

Coluracetam. Racetam acting on high-affinity choline uptake; studied for depression/anxiety.

Molecular structureC19H23N3O3 · 341.4 g/mol

What it is

Racetam acting on high-affinity choline uptake; studied for depression/anxiety.

Food sources

Manufactured pharmaceutical-grade compoundStandardized botanical extract (for plant-derived nootropics)Stack formulations combined with cholinergic or adaptogenic ingredients

Goals

Brain & CognitiveMood & Anxiety

How it works

Enhances high-affinity choline uptake (HACU) in damaged cholinergic neurons.

Pathways

  • Enhances high-affinity choline uptake (HACU) in damaged cholinergic neurons

Effects

  • +Reduced symptoms in generalized anxiety + depression (Phase IIa) supports

What the research supports

Reduced symptoms in generalized anxiety + depression (Phase IIa)limited

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
20–80 mg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the capsule form.
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Side effects & interactions

Common side effects

  • Headache

Medication interactions

Prescription medications (general)minor

Always disclose Coluracetam use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.
  • Alpha-GPC or CDP-cholineProvides choline substrate for acetylcholine synthesis.

Common forms

  • Capsule
  • Powder for stacking
  • Sublingual tablet
  • Liposomal liquid

Key studies

8 studies cited in total.

PubMed: Coluracetam — Reduced symptoms in generalized anxiety + depression ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Coluracetam and "Reduced symptoms in generalized anxiety + depression". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Coluracetam — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Coluracetam and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Coluracetam — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Coluracetam and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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