Phosphatidylcholine
Omega/Fatty Acid ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Major phospholipid in cell membranes and a choline source for brain health.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Phosphatidylcholine is an omega/fatty acid most often used for liver health, brain function, cell membrane support. NutriStack rates the overall evidence as moderate. A typical adult dose is 840-2,400 mg daily, commonly taken as sunflower lecithin (non-gmo, allergen-free). This profile indexes 18 sources.
The bottom line
Evidence rating moderate. Most-documented uses: liver health, brain function, cell membrane support. 18 sources indexed (2012–2024), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Provides choline for acetylcholine synthesis and phospholipid for cell membrane structure. Supports bile production and fat emulsification. Key structural component of VLDL for liver fat export.7,1
Dosing & protocol.
Take with fatty meal
What it actually costs.
Real-world pricing across three quality tiers. Assumes Sunflower Lecithin / Phosphatidylcholine.
Assumes 840-2,400 mg/day. Vendor basis: NOW/iHerb, Vitacost, Pure Encapsulations, and Amazon marketplace; concentrated phosphatidylcholine capsules cost more than lecithin granules. Updated 2026-05-28.
The same dose, as food.
How much you'd eat to match a supplemental dose.
Lecithin-rich foods are the closest food equivalents; exact phosphatidylcholine content varies.
Full safety detail.
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
1- 1Essential phospholipids for nonalcoholic fatty liver disease associated with metabolic syndrome: A systematic review and network meta-analysisPMIDDajani AI et al. · World J Clin Cases · 2020
Systematic review and network meta-analysis provides evidence for a benefit of essential phospholipids (phosphatidylcholine) in patients with NAFLD and diabetes and/or obesity
Randomized controlled trials
5- 2Pharmacokinetics of soy-derived lysophosphatidylcholine compared with that of glycerophosphocholine: a randomized controlled trialPMIDTanaka-Kanegae R, Kimura H, Hamada K · Biosci Biotechnol Biochem · 2024
RCT in 12 healthy men found soy-derived lysophosphatidylcholine (LPC) and glycerophosphocholine similarly increased plasma choline, phospholipid, and triglyceride concentrations without significantly elevating TMAO.
- 3Modified-Release Phosphatidylcholine (LT-02) for Ulcerative Colitis: Two Double-Blind, Randomized, Placebo-Controlled TrialsPMIDDignass A, Stremmel W, Horyński M et al. · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2024
Dignass A, Stremmel W, Horyński M et al.. Modified-Release Phosphatidylcholine (LT-02) for Ulcerative Colitis: Two Double-Blind, Randomized, Placebo-Controlled Trials. Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association. 2024
- 4Different choline supplement metabolism in adults using deuterium labellingPMIDBockmann KA, Franz AR, Shunova A et al. · Eur J Nutr · 2023
Deuterium-labelled crossover study in 6 men found D9-POPC (phosphatidylcholine) resulted in highest plasma D9-PC concentrations and virtually absent TMAO levels, suggesting it is the best choline supplement form for increasing PC.
- 5Treatment with phosphatidylcholine of patients with nonalcoholic fatty liver disease: a prospective pilot studyPMIDSanyal AJ et al. · Front Med (Lausanne) · 2022
Phosphatidylcholine administration decreased ALT by 59.6% and AST by 75.4% in NAFLD patients
- 6Differential metabolism of choline supplements in adult volunteersPMIDBockmann KA, Franz AR, Minarski M et al. · Eur J Nutr · 2022
Randomized crossover study in 6 healthy men found all choline supplements (choline chloride, bitartrate, alpha-GPC, egg-PC) increased choline and betaine levels. Egg-PC showed latest peak and lowest TMAO formation, suggesting it may be the best choline source.
Reviews & position papers
9- 7Choline - a scoping review for Nordic Nutrition Recommendations 2023PMIDMelse-Boonstra A · Food Nutr Res · 2024
Choline is a critical nutrient for cognitive development, metabolism and liver function, necessary for phosphatidylcholine and acetylcholine synthesis
- 8Unlocking choline's potential in Alzheimer's disease: A narrative review exploring the neuroprotective and neurotrophic role of phosphatidylcholine and assessing its impact on memory and learningPMIDConway T, Seidler K, Barrow M · Clinical nutrition ESPEN · 2024
Conway T, Seidler K, Barrow M. Unlocking choline's potential in Alzheimer's disease: A narrative review exploring the neuroprotective and neurotrophic role of phosphatidylcholine and assessing its impact on memory and learning. Clinical nutrition ESPEN. 2024
- 9Efficacy and safety of iodized lecithin tablets versus spironolactone in alleviating central serous retinopathy among Chinese patients with uncontrolled diabetesPMIDGu H, Pu L, Yu S · Pakistan journal of pharmaceutical sciences · 2023
Gu H, Pu L, Yu S. Efficacy and safety of iodized lecithin tablets versus spironolactone in alleviating central serous retinopathy among Chinese patients with uncontrolled diabetes. Pakistan journal of pharmaceutical sciences. 2023
- 10Graduate Student Literature Review: A scoping review on the impact of consumption of dairy products on phosphatidylcholine and lysophosphatidylcholine in circulation and the liver in human studies and animal modelsPMIDYuzbashian E, Moftah S, Chan CB · Journal of dairy science · 2023
Yuzbashian E, Moftah S, Chan CB. Graduate Student Literature Review: A scoping review on the impact of consumption of dairy products on phosphatidylcholine and lysophosphatidylcholine in circulation and the liver in human studies and animal models. Journal of dairy science. 2023
- 11Choline and phosphatidylcholine may maintain cognitive performance by multiple mechanismsPMIDSmigelski JR et al. · Curr Dev Nutr · 2019
Higher phosphatidylcholine intake was associated with lower risk of incident dementia and better cognitive performance through multiple mechanisms
- 12Phosphatidylcholine Extends Lifespan via DAF-16 and Reduces Amyloid-Beta-Induced Toxicity in Caenorhabditis elegansPMIDKim SH, Kim BK, Park S et al. · Oxidative medicine and cellular longevity · 2019
Kim SH, Kim BK, Park S et al.. Phosphatidylcholine Extends Lifespan via DAF-16 and Reduces Amyloid-Beta-Induced Toxicity in Caenorhabditis elegans. Oxidative medicine and cellular longevity. 2019
- 13The critical role of phosphatidylcholine and phosphatidylethanolamine metabolism in health and diseasePMIDvan der Veen JN et al. · Biochim Biophys Acta Biomembr · 2017
Decreased hepatic PC content and decreased PC/PE ratio are linked to NAFLD; PC is critical for cell membrane integrity, VLDL secretion, and liver fat export
- 14Phosphatidylcholine and the brain: a systematic reviewSource linkedPMIDBlusztajn JK, Slack BE, Bhatt DP · Nutrients · 2017
- 15Dietary phosphatidylcholine and hepatic steatosis: a reviewSource linkedPMIDCorbin KD, Zeisel SH · Am J Clin Nutr · 2012
Observational studies
1- 16Associations of dietary choline intake with risk of incident dementia and with cognitive performance: the Kuopio Ischaemic Heart Disease Risk Factor StudyPMIDYlilauri MPT et al. · Am J Clin Nutr · 2019
Higher phosphatidylcholine intake was associated with lower risk of incident dementia and better cognitive performance in men in eastern Finland
Reference material
2- 17Vitali C, Bajaj A, Nguyen C et al.. A systematic review of the natural history and biomarkers of primary lecithin:cholesterol acyltransferase deficiency. Journal of lipid research. 2022Source linkedPMID
- 18Johnson W Jr, Bergfeld WF, Belsito DV et al.. Safety Assessment of Lecithin and Other Phosphoglycerides as Used in Cosmetics. International journal of toxicology. 2020Source linkedPMID
Common questions.
Quick answers about Phosphatidylcholine, drawn from the data on this page.
What is Phosphatidylcholine?
Major phospholipid in cell membranes and a choline source for brain health.
What is Phosphatidylcholine used for?
Commonly cited benefits of Phosphatidylcholine include: Liver health; Brain function; Cell membrane support; Fat digestion. NutriStack rates the overall evidence as moderate.
What is a typical dose of Phosphatidylcholine?
A typical adult dose of Phosphatidylcholine is 840-2,400 mg daily. The commonly recommended form is Sunflower lecithin (non-GMO, allergen-free). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Phosphatidylcholine?
Reported side effects include gi upset, fishy smell, diarrhea. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Phosphatidylcholine?
NutriStack rates this as Moderate, meaning several aligned RCTs or one large RCT plus supporting reviews. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Use this with your stack
Phosphatidylcholine in NutriStack.
Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.