Lecithin is also known as alpha-phosphatidylcholines, lecithinum ex soya, sojalecithin,
or soy lecithin.
Lecithin is a group of chemicals that are related. It isn’t a single chemical. Lecithins
belong to a larger group of compounds called phospholipids. These are important parts
of the brain, blood, nerves, and other tissues. Phospholipids are also a part of cell
The body uses lecithin to move fats and in the metabolic process. Lecithins turn into
choline in the body. They help make the neurotransmitter acetylcholine.
Many people know lecithin as the oily film on their frying pan when they use a nonstick
There may be benefits that have not yet been proven through research.
Lecithin is used to treat dementia. It’s also used to treat Alzheimer's disease. And
it is used to treat gallbladder disease. It may also help treat fatty liver (hepatic
steatosis) in people on long-term parenteral nutrition. But the role of lecithin is
not well defined and confirmed.
Lecithin comes in capsules, liquid, and granules. There is no recommended intake amount.
Foods that have lecithin include:
Signs of lecithin deficiency aren’t clear. They are more likely to be caused by choline deficiency,
Choline deficiency is rare. It may lead to:
Side effects, toxicity, and interactions
In normal doses, lecithin may cause side effects. These can include stomach aches,
diarrhea, or loose stools. It isn’t known what symptoms would occur if you take too
Women who are pregnant or breastfeeding should talk to their healthcare providers
before taking any supplements.
There are no known food or medicine interactions with lecithin.