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Nootropic

Phosphatidylcholine

Also known as: PC, Lecithin (contains PC)

B
Evidence

Major membrane phospholipid and choline source. Supports brain cell structure and liver health.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

Add Pure Encapsulations Phosphatidylcholine (sunflower) to your stack — free
The highest-scored Phosphatidylcholine product in our catalog (94/100). Track dose and overlaps in the app.
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Every Phosphatidylcholine product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Phosphatidylcholine should I take?

The typical range is 500-2000 mg daily. Safe long-term

When should I take Phosphatidylcholine?

With meals. Yes.

Which form of Phosphatidylcholine is best?

Softgels — Concentrated. Other forms in the catalog: Lecithin granules.

Is Phosphatidylcholine safe?

Commonly reported: GI upset, Fishy odor. Serious warnings: None. Supports liver

Which Phosphatidylcholine supplement scores highest?

Pure Encapsulations Phosphatidylcholine (sunflower), at 94/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Daily target & upper limit

550 mg / day · UL 3500 mg

Phosphatidylcholine has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:

Phosphatidylcholine dosage reference →

Primary uses

  • Cell membranes
  • Choline supply
  • Liver health
  • Brain health

How it works

  • Cell membrane component
  • Choline source
  • Liver fat metabolism

Dosage

Typical range
500-2000 mg daily
Timing
With meals
With food
Yes
Duration
Safe long-term
Special populations
Liver health, choline needs

Forms

  • Softgels
  • Lecithin granules

Safety

Common side effects

  • GI upset
  • Fishy odor

Contraindications

  • None

Products containing Phosphatidylcholine

Top-scoring supplements in our catalog that list Phosphatidylcholine on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

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Evidence notes

Membrane and liver support

Grade B: Some human trials support key claims; further confirmation needed.

Cited research for Phosphatidylcholine

Clinical studies referenced across Formulate guides that mention phosphatidylcholine. Each links to the full study page with PubMed source + the guides that cite it.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.