Lecithin Ingredients & Drug Interactions
What is this page for?
First and foremost: checking 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
Lecithin is a dietary supplement by Windmill Natural Vitamins 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 by Windmill Natural Vitamins
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 a single active ingredient: lecithin, a fatty substance found naturally in egg yolks and soy. It's used in both food and supplements.
The softgel capsule also holds inactive ingredients—gelatin, glycerin, and purified water—that form the capsule shell and help deliver the lecithin.
Does it work?
Not established
The evidence on lecithin is mixed. It's likely ineffective for Alzheimer disease.
For age-related cognitive decline, anxiety, bipolar disorder, and a liver condition linked to long-term intravenous nutrition (TPN-associated hepatic steatosis), the evidence isn't established in our data. Lecithin is often used to help unclog milk ducts during breastfeeding, though you'll want to check with your healthcare provider on that specific use.
How safe is it?
Well-documented data
Lecithin is generally considered safe for most people in food and supplement amounts. The most common side effects—when they do happen—are abdominal pain, diarrhea, a feeling of fullness, and nausea.
If you have an egg or soy allergy, lecithin can trigger allergic skin reactions. Because it's a supplement rather than a food ingredient, talk to your doctor before you start taking it.
Lecithin is rated likely safe during pregnancy and lactation.
Meds to double-check
No known interactions
No interactions are documented in our data for lecithin. You won't need to hold off on any medication types because of this supplement.
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.
Lecithin by Windmill is well tolerated in most people and carries no documented interactions with medications. It's unclear whether it actually works for the conditions people often take it for, so think of it as something to discuss with your doctor if you're considering it for a specific reason.
If you have an egg or soy allergy, skip it. Run it by your own healthcare provider 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 Nov 22, 2023.
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, straight from the product label.
| Brand | Windmill Natural Vitamins |
|---|---|
| Barcode (UPC) | 035046003128 |
| Net contents | 90 Softgel(s) |
| Market status | On market |
| Date entered into DSLD | Nov 22, 2023 |
| DSLD ID | 299509 |
| Product type | Fat/fatty Acid |
| Supplement form | Softgel Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free |
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 by Windmill Natural Vitamins, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Total Fat | 1 Gram(s) | 1% |
| Calories | 10 Calorie(s) | -- |
| Calories from Fat | 10 Calorie(s) | -- |
| Lecithin | 1200 mg | -- |
Other ingredients: Gelatin, Glycerin, Water, 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.
Suggested/Recommended/Usage/Directions
Directions: take 1 softgel daily with food as a dietary supplement or as directed by a healthcare professional.
Precautions
Keep out of reach of children.
Do not purchase if seal is broken.
Contains: soy
Storage
Protect from heat, light & moisture. Store in a cool, dry place.
Formulation
Made in the U.S.A. from globally sourced ingredients.
Cardiovascular health Supports cognitive health
No sugar, wheat, milk, artificial colors, flavors or preservatives Non gmo - gluten free
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lecithin by Windmill Natural Vitamins 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 by Windmill Natural Vitamins
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.
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, Water, Purified. These complete the product’s ingredient list but are not active constituents.
Lecithin by Windmill Natural Vitamins Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in 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 Lecithin, from the product label.
Windmill Natural Vitamins
See all Windmill Natural Vitamins products- Name
- Windmill Health Products
- Street Address
- 10 Henderson Drive
- City
- West Caldwell
- State
- NJ
- ZipCode
- 07006
- Web Address
- www.windmillvitamins.com
Lecithin by Windmill Natural Vitamins: Common Questions
Does Lecithin by Windmill Natural Vitamins 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?
What are the side effects?
Will this help my memory or thinking?
I heard lecithin helps with clogged milk ducts. Does it?
Is this safe to take alongside my medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if 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 Lecithin’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
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