Lecithin 500 mg Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Lecithin 500 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Lecithin 500 mg is a dietary supplement by Swanson Premium Brand with 1 active ingredient. Its ingredients are commonly taken for high cholesterol, liver health, brain and memory support.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of Lecithin 500 mg by Swanson Premium Brand
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains one active ingredient: lecithin, a fatty compound found naturally in plants and animals. Each softgel delivers 500 mg.
The capsule itself is made of gelatin, glycerin, and purified water — all inactive ingredients that just hold the lecithin together.
Does it work?
Couldn't assess
The evidence we hold is mixed. For Alzheimer disease, lecithin is rated likely ineffective.
For age-related cognitive decline, anxiety, bipolar disorder, and TPN-associated hepatic steatosis (a type of fatty liver condition), the evidence is too limited for us to rate it either way — we simply don't have enough reliable data yet.
How safe is it?
Well-documented data
Lecithin is generally considered safe in food and supplement amounts. That said, talk to your doctor before you start supplementing — it's different from eating it in food.
The most common side effects from oral lecithin are abdominal pain, diarrhea, fullness, and nausea. If you have an egg or soy allergy, lecithin can trigger allergic skin reactions, since it's often derived from those sources.
Lecithin is rated likely safe in pregnancy and breastfeeding, though check with your healthcare provider first — especially if you're considering it to help with clogged milk ducts.
Meds to double-check
No known interactions
No interactions are documented for lecithin in our data. That doesn't guarantee none exist, though, so it's still worth confirming with your own doctor or pharmacist before you start, particularly if you take medications for a chronic condition.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.
Lecithin is well tolerated and has no documented medication interactions. It's not proven to help with Alzheimer disease, and evidence for other uses is too limited to say.
If you're considering it, talk it over with your doctor or pharmacist first — especially if you have an egg or soy allergy, or if you're pregnant or breastfeeding.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated May 28, 2019.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Lecithin 500 mg, straight from the product label.
| Brand | Swanson Premium Brand |
|---|---|
| Barcode (UPC) | 087614013428 |
| Net contents | 250 Softgel(s) |
| Market status | On market |
| Date entered into DSLD | May 28, 2019 |
| DSLD ID | 202577 |
| Product type | Fat/fatty Acid |
| Supplement form | Softgel Capsule |
| Dietary claims / uses | All Other |
| Intended target group(s) | Adult (18 - 50 Years) |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Lecithin 500 mg by Swanson Premium Brand, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calories | 15 Calorie(s) | -- |
| Calories from Fat | 15 Calorie(s) | -- |
| Total Fat | 1.5 Gram(s) | 2% |
| Lecithin | 1.5 Gram(s) | -- |
Other ingredients: Gelatin, Glycerin, purified Water
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
General Statements
Bringing wellness to the world since 1969
To reorder call toll free 1-800-437-4148 or visit our website at www.swansonvitamins.com
Formulation
Non-GMO
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
Guaranteed purity & potency
Precautions
Do not use if seal is broken.
Keep out of reach of children.
Storage
Store in a cool, dry place. Do not refrigerate.
Suggested/Recommended/Usage/Directions
Suggested use: As a dietary supplement, take three softgels one to three times per day with water.
General
SW342
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lecithin 500 mg by Swanson Premium Brand label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Lecithin 500 mg by Swanson Premium Brand
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size3 Softgel(s) Dosage formSoftgel Capsule Servings per container83 Amounts shown are per serving.
Lecithin
No knowninteractions
Lecithin is a natural fatty substance found in foods and made by the body that is widely used as a supplement and food emulsifier. Evidence supporting...
Lecithin monograph & interactionsOther (inactive) ingredients: Gelatin, Glycerin, Purified Water. These complete the product’s ingredient list but are not active constituents.
Lecithin 500 mg by Swanson Premium Brand Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Lecithin 500 mg. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Lecithin 500 mg, from the product label.
Swanson Premium Brand
See all Swanson Premium Brand products- Name
- Swanson Health Products
- City
- Fargo
- State
- ND
- ZipCode
- 58104
- Phone Number
- 1-800-437-4148
- Web Address
- www.swansonvitamins.com
Lecithin 500 mg by Swanson Premium Brand: Common Questions
Does Lecithin 500 mg by Swanson Premium Brand interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I'm pregnant or breastfeeding?
Does lecithin help with memory or dementia?
What are the side effects?
Is lecithin the same whether it's in food or a supplement?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Lecithin 500 mg is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Lecithin 500 mg’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Lecithin 500 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 9 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Lecithin 9 references
- Buchman AL, Dubin M, Jenden D, et al. Lecithin increases plasma free choline and decreases hepatic steatosis in long-term total parenteral nutrition patients. Gastroenterology 1992;102:1363-70.
- Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (2000). Washington, DC: National Academy Press, 2000. Available at: http://b
- Chatellier G, Lacomblez L. Tacrine (tetrahydroaminoacridine; THA) and lecithin in senile dementia of the Alzheimer type: a multicentre trial. Groupe Francais d'Etude de la Tetrahydroaminoacridine. BMJ 1990;300:495-9.
- Gelenberg AJ, Dorer DJ, Wojcik JD, et al. A crossover study of lecithin treatment of tardive dyskinesia. J Clin Psychiatry 1990;51:149-53.
- Little A, Levy R, Chuaqui-Kidd P, Hand D. A double-blind, placebo controlled trial of high-dose lecithin in Alzheimer's disease. J Neurol Neurosurg Psychiatry 1985;48:736-42. PubMed
- Palm M, Moneret-Vautrin DA, Kanny G, et al. Food allergy to egg and soy lecithins. Allergy 1999;54:1116-7. PubMed
- Drachman DA, Glosser G, Fleming P, et al. Memory decline in the aged: treatment with lecithin and physostigmine. Neurology 1982;32:944-50. PubMed
- Gelenberg, A. J., Doller-Wojcik, J. C., and Growdon, J. H. Choline and lecithin in the treatment of tardive dyskinesia: preliminary results from a pilot study. Am J Psychiatry 1979;136(6):772-776. PubMed
- Electronic Code of Federal Regulations. Title 21, Chapter 1, Subchapter B, Part 184: Direct food substances affirmed as Generally Recognized as Safe. Subpart B - listing of specific substances affirmed as GRAS. Sec. 184.1400 Lecithin. Available at: https:
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC