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 membranes.
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, not lecithin.
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.