Nootropic profile
Lecithin
Lecithin is a phospholipid complex found abundantly in egg yolks and soybeans. It is a rich source of choline and phosphatidylcholine, both essential for acetylcholine synthesis, brain cell membrane integrity, and healthy cognitive function throughout life.
Best for
Educational only: this is not medical advice. Always check with a qualified healthcare professional before starting any supplement.
What is Lecithin?
Lecithin is a naturally occurring mixture of phospholipids, with phosphatidylcholine being the most abundant component (typically 20-30% of soy lecithin and up to 70% of egg lecithin).
What it does for you
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How to take it
- Typical dose: 1200-2400 mg of soy or sunflower lecithin per day
- For choline support: 2400-4800 mg per day to provide meaningful choline intake (lecithin is roughly 13% choline by weight)
- Egg lecithin: Higher phosphatidylcholine content means lower doses may be effective
- Granules/powder: 1-2 tablespoons per day mixed into food or smoothies
- Timing: Can be taken with meals to aid absorption and reduce any gastrointestinal effects
Watch out for
- Side effects: Generally very well tolerated. High doses may cause gastrointestinal symptoms such as nausea, bloating, or diarrhoea.
- Soy allergy: Soy-derived lecithin may cause reactions in individuals with soy allergies, though highly refined lecithin typically contains minimal soy...
- TMAO concern: Gut bacteria can convert choline from lecithin into trimethylamine N-oxide (TMAO), which has been linked to cardiovascular risk in some...
- Pregnancy: Generally considered safe at dietary levels. Choline is an essential nutrient during pregnancy for foetal brain development.
- Drug interactions: No significant drug interactions reported at standard doses.
The science, if you're curious.
- Lecithin provides choline, which is converted to acetylcholine by the enzyme choline acetyltransferase. Acetylcholine is essential for memory formation,...
- Phosphatidylcholine from lecithin integrates into neuronal cell membranes, maintaining fluidity and supporting the function of membrane-bound receptors, ion...
- The phospholipids in lecithin contribute to the synthesis and repair of myelin sheaths, the insulating layer around nerve fibres that enables rapid signal...
- Lecithin aids in the emulsification and transport of fats, including the delivery of fat-soluble nutrients to the brain across the blood-brain barrier.
Where to find it
- Egg yolks: The richest natural source of lecithin, with high phosphatidylcholine content
- Soybeans: The most common commercial source of lecithin supplements
- Sunflower seeds: Sunflower lecithin is a popular soy-free and allergen-friendly alternative
- Organ meats: Liver is particularly rich in lecithin and choline
- Wheat germ: Contains moderate amounts of lecithin
- Supplements: Available as soy lecithin, sunflower lecithin, or egg lecithin in capsules, softgels, granules, and liquid forms
Frequently asked
Lecithin is a phospholipid complex found abundantly in egg yolks and soybeans. It is a rich source of choline and phosphatidylcholine, both essential for acetylcholine synthesis, brain cell membrane integrity, and healthy cognitive function throughout life.
The main benefits people report from Lecithin are: Cognitive Enhancement, Energy, Focus, Longevity, Memory, Mood.
Typical dose: 1200-2400 mg of soy or sunflower lecithin per dayFor choline support: 2400-4800 mg per day to provide meaningful choline intake (lecithin is roughly 13% choline by weight)Egg lecithin: Higher phosphatidylcholine content means lower doses may be effectiveGranules/powder: 1-2 tablespoons...
Side effects: Generally very well tolerated. High doses may cause gastrointestinal symptoms such as nausea, bloating, or diarrhoea.Soy allergy: Soy-derived lecithin may cause reactions in individuals with soy allergies, though highly refined lecithin typically contains minimal soy...TMAO concern: Gu...
Lecithin provides choline, which is converted to acetylcholine by the enzyme choline acetyltransferase. Acetylcholine is essential for memory formation,...Phosphatidylcholine from lecithin integrates into neuronal cell membranes, maintaining fluidity and supporting the function of membrane-bound rec...
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