Sunflower Lecithin Ingredients & Drug Interactions
by Swanson
What is this page for?
First and foremost: checking Sunflower Lecithin 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
Sunflower Lecithin is a dietary supplement by Swanson 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 Sunflower Lecithin by Swanson
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: sunflower lecithin, a naturally occurring compound derived from sunflower seeds. Lecithin is a phospholipid — a type of fat — that plays a role in cell structure and is present in many foods.
The remaining ingredients are the softgel capsule itself, made from gelatin, glycerin, sunflower oil, and purified water.
Does it work?
Not established
The evidence for sunflower lecithin is mixed. For Alzheimer disease, it's been rated likely ineffective.
For age-related cognitive decline, anxiety, bipolar disorder, and liver fat linked to IV nutrition, the evidence we hold is insufficient — meaning studies either don't exist, are too small, or are too weak to make a clear call. Talk with your doctor if you're considering it for any of these reasons.
How safe is it?
Well-documented data
Lecithin is generally considered safe in food and supplement amounts for most people. The most common side effects are mild: abdominal pain, diarrhea, a feeling of fullness, and nausea.
If you have an egg or soy allergy, lecithin can cause allergic skin reactions — check the source of your supplement. During pregnancy and breastfeeding, lecithin is rated likely safe; some people use it to help with clogged milk ducts, though you should check with your doctor or midwife first.
Meds to double-check
No known interactions
No interactions are documented for sunflower lecithin in our data. Check with your pharmacist if you have questions about your specific medications.
The bottom line
Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. No medication interactions are currently documented, and safety information is well characterized.
Sunflower Lecithin is well tolerated and carries no documented drug interactions. The evidence for brain health and mood conditions is weak or absent, so manage your expectations about what it can do.
If you're pregnant, breastfeeding, or have an egg or soy allergy, talk to your pharmacist before starting.
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 Jun 20, 2024.
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 Sunflower Lecithin, straight from the product label.
| Brand | Swanson |
|---|---|
| Barcode (UPC) | 087614115832 |
| Net contents | 90 Softgel(s) |
| Market status | On market |
| Date entered into DSLD | Jun 20, 2024 |
| DSLD ID | 308775 |
| Product type | Fat/fatty Acid |
| Supplement form | Softgel Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| 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 Sunflower Lecithin by Swanson, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calories | 10 Calorie(s) | -- |
| Total Fat | 1 Gram(s) | 1% |
| Sunflower Lecithin | 1.2 Gram(s) | -- |
Other ingredients: Gelatin, Glycerin, Sunflower Oil, Water, Deionized, Purified
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.
Formulation
A good source of nutrients to support normal brain function Essential for every cell in your body
Heart and brain health
Brand IP Statement(s)
Swanson Science-backed quality since 1969
Suggested/Recommended/Usage/Directions
Suggested use: As a dietary supplement, take one softgel one to three times per day with food and water.
Precautions
Warning: For adults only. Keep out of reach of children.
Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.
Do not use if seal is broken.
Storage
Store in a cool, dry place. Do not refrigerate.
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Formula
From Non-GMO sunflower seeds
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Sunflower Lecithin by Swanson 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 Sunflower Lecithin by Swanson
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Softgel(s) Dosage formSoftgel Capsule Servings per container90 Amounts shown are per serving.
Sunflower 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...
Sunflower Lecithin monograph & interactionsOther (inactive) ingredients: Gelatin, Glycerin, Sunflower Oil, Water, Deionized, Purified. These complete the product’s ingredient list but are not active constituents.
Sunflower Lecithin by Swanson Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Sunflower Lecithin. 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 Sunflower Lecithin, from the product label.
Swanson
See all Swanson products- Name
- Swanson Health Products
- City
- Fargo
- State
- ND
- ZipCode
- 58104
- Phone Number
- 1-800-437-4148
- Web Address
- swanson.com
Sunflower Lecithin by Swanson: Common Questions
Does Sunflower Lecithin by Swanson interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will sunflower lecithin help my memory or prevent Alzheimer disease?
What are the most common side effects?
Can I take this if I have a soy or egg allergy?
Is it safe to use while I'm breastfeeding?
Does this interact with my medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Sunflower Lecithin 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 Sunflower Lecithin’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Sunflower Lecithin'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