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	Search Quick Order Form» Departments Vitamins Minerals Supplements Herbs Home & Grocery Diet & Fitness Body & Bath More Ways to Shop Brands A-Z Natural Remedies Children & Infants Women's Health Men's Health Seniors Free Catalog MotherNature.com's Catalog Is Here! Click Here to Get Your Free Copy Today. Newsletter Sign Up Weekly health news, sale announcements and coupons!		Library Home > Nutritional and Dietary Supplements > Lecithin/Phosphatidylcholine/Choline LECITHIN/PHOSPHATIDYLCHOLINE/CHOLINE Introduction What it does Where found Helpful for Are you deficient? Amount to take Safety check References Visit The Healthy Living Bookshelf: 21 Online Health Books From Rodale What is it? When medical researchers use the term “lecithin,” they are referring to a purified substance called phosphatidyl choline (PC). Supplements labeled as “lecithin” usually contain 10–20% PC. Relatively pure PC supplements are generally labeled as “phosphatidylcholine.” PC best duplicates supplements used in medical research. Choline by itself (without the “phosphatidyl” group) is also available in foods and supplements. In high amounts, however, pure choline can make people smell like fish, so it’s rarely used, except in the small amounts found in multivitamin supplements. What does it do? PC acts as a supplier of choline, which is needed for cell membrane integrity and to facilitate the movement of fats in and out of cells. It is also a component of the neurotransmitter acetylcholine and is needed for normal brain functioning, particularly in infants. Although the human body can synthesize choline, additional amounts from the diet are considered essential under certain circumstances. For this reason, PC has been used in a number of preliminary studies for a wide variety of neurological and psychiatric disorders, though not every study suggests that supplemental choline is capable of reaching the brain.1 Choline participates in many functions involving cellular components called phospholipids. Where is it found? 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): Rating Health Concerns High homocysteine Liver cirrhosis Tardive dyskinesia Alzheimer’s disease Bipolar disorder Gallbladder attacks Hepatitis High cholesterol Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. An herb is primarily supported by traditional use, or the herb or supplement has little scientific support and/or minimal health benefit. Who is likely to be deficient? Although choline deficiencies have been artificially induced in people, little is known about human deficiency in the real world. How much is usually taken? Small amounts of choline are present in many B-complex and multivitamin supplements. Are there any side effects or interactions? 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. References: 1. Dechent P, Pouwels PJW, Frahm J. Neither short-term nor long-term administration of oral choline alters metabolite concentrations in human brain. Biol Psychiatry 1999;46:406–11. Copyright © 2002 Healthnotes, Inc.  All rights

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