Supplement guide

Lecithin

Learn about the uses, forms, amounts, and precautions for Lecithin. This guide brings the relevant conditions together so you can see who the information covers, how preparations differ, and what to consider before use.

Prepared by Dr. Edward M.Kim, PharmD · Clinical Director, SupplementSafety editorial team · Sources and editorial method

First released · Updated · View changes

What is it used for?

Helps support liver functions [Source note 2].

Note: The terms 'Helps' or 'Helps to' can be used interchangeably on the label.

What this guide covers

  • The solidus (/) indicates that the terms and/or statements are synonymous. Either term or statement may be selected by the applicant on the label.

Who does this guide cover?

Adults 18 years and older

How is it taken?

Oral

Which forms are covered?

this reference excludes foods or food-like dosage forms as indicated in the Compendium of references Guidance Document.

Quantities

1 - 6 grams of Lecithin, per day [Source note 3].

How is it used?

The reference does not require an additional label statement in this section. This does not establish an absence of risk.

How long is it used?

The reference does not require an additional label statement in this section. This does not establish an absence of risk.

Warnings and precautions

The reference does not require an additional label statement in this section. This does not establish an absence of risk.

When should it be avoided?

The reference does not require an additional label statement in this section. This does not establish an absence of risk.

Possible side effects

The reference does not require an additional label statement in this section. This does not establish an absence of risk.

Storage

Must be established in accordance with the requirements described in the supplements Regulation.

Preparation details

Ingredient identity, preparation requirements, and other details that define the scope of this guide.

Ingredients and preparations
Table 1. Proper name(s), Common name(s), Source information
Proper name(s)Common name(s)Source information / Source material(s)Source information / Part(s)
  • 1,2-Diacylglycero-3-phosphocholine
  • 1,2-Diacyl-sn-glycero-3-phosphocholine
  • Lecithin
  • 1,2-Diacylglycero-3-phosphocholine
  • 1,2-Diacyl-sn-glycero-3-phosphocholine
  • Lecithin
Lecithin
  • Brassica napus
  • Glycine max
  • Helianthus annuus
Seed
  • 1,2-Diacylglycero-3-phosphocholine
  • 1,2-Diacyl-sn-glycero-3-phosphocholine
  • Lecithin
LecithinSalmo salarEgg

References: Proper names: HC 2024; NIH 2023; Common name: HC 2024; NIH 2023; Source information: HC 2024; USP-NF 2024; NIH 2023.

Other ingredients

Must be chosen from the current source ingredient database and must meet the limitations outlined in the database.

Preparation and quality requirements
  • The finished product specifications must comply with the minimum specifications outlined in the current NHPD Compendium of references.be established in accordance with the requirements described in the source authority source’s product quality guidance.

  • The active ingredient may must comply with the specifications requirements outlined in the source ingredient database.United Stated (USP) pharmacopoeial reference listed below:

Guide change history

Updates to this SupplementSafety.org guide.

  1. Minor updates

    Updated guide wording, organization, and source presentation. Added our editorial change history.

  2. Initial release

    Initial SupplementSafety.org guide prepared from source reference material.

Validation: Not yet completed. Editorial updates do not constitute clinical validation.

Sources

Source information

This guide organizes source material about uses, preparations, amounts, and precautions. Read the conditions alongside each statement; the information may apply only to particular preparations or populations.

The source document includes supporting references. We have not independently summarized or assessed every cited study for this guide.

Source document version
March 28, 2025
Source captured
Aug 15, 2026
Editorial work
Editorial preparation. Independent clinical review has not been recorded for this guide.

Full citations are available through the link above. Verification is required to open them; reading this guide does not require verification.

Taking a medication too?

Explore our supplement–medication interaction checker. Its coverage and review status are shown with the results; a missing finding does not establish that a combination is safe.

Browse all supplement guides →