Alzheimers Home > More Information on Lecithin

Is Lecithin Effective?

In general, there is not enough scientific evidence to suggest that the supplement is indeed effective for most uses (see Does Lecithin Work? for more information).

Dosing Information

There is no established standard lecithin dosage, although general guidelines may be obtained from a few clinical studies that have evaluated certain uses of the supplement.
(Click Lecithin Dosage for more information.)

Potential Side Effects

People sometimes assume that dietary supplements are automatically free of side effects. However, this is usually not the case. In studies, lecithin has been reported to cause the following side effects:
  • Nausea
  • Diarrhea
  • Abdominal pain (stomach pain)
  • Abdominal fullness.
(Click Lecithin Side Effects to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)

Drug Interactions

It is not known if lecithin interacts with other medications or supplements (see Lecithin Drug Interactions).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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