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Fat

Phosphatidylcholine

Phosphatidylcholine, or PC, is a phospholipid used in cell membranes. Lecithin is a mixture rich in PC, not another name for pure PC.

Also listed as PC

Essential HealthLongevityOrgan FunctionGut HealthCognition

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Essential HealthModerateBNo linked study
Oxidative stressLongevityModerateBNo linked study
Liver healthOrgan FunctionModerateBNo linked study
Gut healthModerateB2 studies
Mental EnergyCognitionSmallCNo linked study
MemoryCognitionSmallCNo linked study
All 7 rated effectsGrouped by health goal, with the publications behind each rating

What is phosphatidylcholine?

Phosphatidylcholine, or PC, is a phospholipid used in cell membranes. Lecithin is a mixture rich in PC, rather than another name for pure PC. 1

Key studies

The most recent publications linked to Phosphatidylcholine's ratings.

Exploring the Phosphatidylcholine in Inflammatory Bowel Disease: Potential Mechanisms and Therapeutic Interventions.2022Effect of Choline Forms and Gut Microbiota Composition on Trimethylamine-N-Oxide Response in Healthy Men2020

Why people take it

Essential Health16.2%
Cognition15%
Immune Support11.3%
Energy9.9%
Detox9.1%
Longevity8.1%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Questions people ask

Are PC and lecithin identical?

No. Lecithin is a mixture rich in phosphatidylcholine. 1

Can ordinary PC replace colitis treatment?

The larger LT-02 induction trial failed to show added remission benefit alongside mesalamine; it does not support replacing treatment with an ordinary supplement. 2

Does the TMAO trial prove heart protection?

No. It compared short-term metabolite responses, not cardiovascular events. 3

Sources