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When medical researchers use the term “lecithin,” they are referring to a purified substance called phosphatidyl choline (PC) that belongs to a special category of fat-soluble substances called phospholipids.
Choline, the major constituent of PC, is found in soybeans, liver, oatmeal, cabbage, and cauliflower. Soybeans, egg yolks, meat, and some vegetables contain PC. Lecithin (containing 10–20% PC) is added to many processed foods in small amounts for the purpose of maintaining texture consistency.
Phosphatidyl choline has been used in connection with the following conditions (refer to the individual health concern for complete information):
| Science Ratings | Health Concerns |
|---|---|
 | Neural tube defects (prevention) |
 | |
 Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support and/or minimal health benefit. | |
Although choline deficiencies have been artificially induced in people, little is known about human deficiency in the real world.
Small amounts of choline are present in many B-complex and multivitamin supplements.
With several grams of choline per day, some people will experience abdominal discomfort, diarrhea, or nausea. Supplementing choline in large amounts (over 1,000 mg per day) can lead to a fishy body odor. PC does not have this effect. Depression has been reported as a side effect in people taking large amounts of choline, such as 9 grams per day.
The body uses both PC and pantothenic acid to form acetylcholine.
At the time of writing, there were no well-known drug interactions with Lecithin/Phosphatidylcholine/Choline.
Copyright © 2007 Healthnotes, Inc. All rights reserved. www.healthnotes.com
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The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires September 2008.
