Lecithin
vitamins
Lecithin is a phospholipid compound found naturally in many foods and synthesised by the body, playing a crucial role in cell membrane structure and function. It is commonly used as a dietary supplement to support cognitive function, liver health, and cardiovascular wellbeing. Lecithin is generally well-tolerated and recognised as safe by regulatory authorities.
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Benefits
Dosage
Typical Dose
1,200–2,400 mg daily
Upper Limit
3,600 mg daily
Timing
With meals to enhance absorption
Forms & Bioavailability
Soy Lecithin
Moderate (35–50%)
Sunflower Lecithin
Moderate (35–50%)
Egg Lecithin
High (50–70%)
Phosphatidylcholine (isolated)
High (55–75%)
Side Effects
Interactions
Research Summary
Clinical evidence supports lecithin's role in supporting cognitive function and liver health, with several studies demonstrating improvements in memory and cholesterol profiles. Research on phosphatidylcholine, an active component of lecithin, shows promise for neurological health and hepatic function. However, more robust long-term studies are needed to fully establish efficacy for specific health claims.
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The Bottom Line on Lecithin
Lecithin is moderately researched with promising but sometimes mixed evidence.It is most commonly used for supports cognitive function and memory and promotes liver health and detoxification. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Lecithin
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