*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. 


Lecithin is a fat that is essential in the cells of the body. It can be found in many foods, including soybeans and egg yolks. Lecithin is taken as a medicine. It is also used in the manufacturing of medicines, foods, and cosmetics.

Lecithin is used for reducing fatty build-up in the liver and treating memory disorders such as dementia and Alzheimer's disease. It is used to improve memory in the elderly or in people who have had a head injury. It is also used for decreasing pain after surgery, treating gallbladder disease, inflammatory bowel disease (ulcerative colitis), a nerve disease called Friedreich's ataxia, nipple blebs/blisters, mania, high cholesterol, anxiety, a skin disease called eczema, Parkinson's disease, and for improving athletic performance. It is also used in people receiving peritoneal dialysis. In combination with lithium, lecithin is used for a movement disorder called tardive dyskinesia.

Some people apply lecithin to the skin as a moisturizer to treat dry skin or dermatitis.

You will often see lecithin as a food additive. It is used to keep certain ingredients from separating out.

Lecithin is also used in preparations for intravenous (IV) or skin injections. It is used to stabilize and prevent medicines in the preparation from separating out.

You may also see lecithin as an ingredient in some eye medicines. It is used to help keep the medicine in contact with the eye's cornea.

How does it work?

Lecithin is converted into acetylcholine, a substance that transmits nerve impulses.

Traditionally used for

Liver disease.
A nerve disease called Friedreich's ataxia.
Fatty build-up in the liver.
High cholesterol.
Parkinson's disease.
Movement disorders (tardive dyskinesia).
Inflammatory bowel disease (ulcerative colitis).
Dry skin.


The appropriate dose of lecithin depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for lecithin. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Possible Side Effects

Lecithin is SAFE for most people when taken by mouth, applied to the skin, or injected intravenously (by IV) or under the skin. It can cause some side effects including diarrhea, nausea, abdominal pain, or fullness. Lecithin might also cause allergic skin reactions in people with allergies to egg or soy.

Special Precautions & Warnings

Pregnancy and breast-feeding: Not enough is known about the use of lecithin during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Egg or soy allergy: Lecithin might cause allergic skin reactions in people with egg and/or soy allergies.

View full details