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Compound

Phosphatidylcholine

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Phosphatidylcholine. Membrane phospholipid for liver.

How it works. Major hepatocyte membrane lipid.

What the research supports. 1 graded claims. Strongest: Liver protection (moderate).

How much to take. Typical dose: 350 mg TID.

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

Stacking. Pairs well with Milk thistle (silymarin), NAC, Omega-3 (EPA/DHA).

Common forms. Available as Capsule or softgel, Powder, Sublingual or buccal, Liposomal liquid.

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

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

Phosphatidylcholine. Membrane phospholipid for liver.

No single structure

What it is

Membrane phospholipid for liver.

Food sources

Endogenously produced or biosynthesized moleculeStandardized pharmaceutical- or food-grade supplementCombined with cofactors that improve absorption or activity

Goals

Liver HealthBrain & Cognitive

How it works

Major hepatocyte membrane lipid.

Pathways

  • Major hepatocyte membrane lipid

Effects

  • +Liver protection supports

What the research supports

Liver protectionmoderate

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
350 mg TID
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith a meal containing fat for fat-soluble compounds; otherwise either.
Best formMost evidence is based on the capsule or softgel form.
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Side effects & interactions

Common side effects

  • GI upset

Medication interactions

Prescription medications (general)minor

Always disclose Phosphatidylcholine 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

  • Milk thistle (silymarin)Complementary hepatoprotective antioxidant pathways.
  • NACRestores hepatic glutathione.
  • Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.

Common forms

  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Key studies

8 studies cited in total.

PubMed: Phosphatidylcholine — Liver protection ↗
Systematic review · PubMed (NLM) · 2026

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

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

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

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

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

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