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 Nature's Sunshine 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 Nature's Sunshine
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: soy lecithin, a fat extracted from soybeans that your body uses in cell membranes and for fat transport. The capsule itself is made from gelatin, glycerin, and water — inactive ingredients that hold the lecithin in form.
Does it work?
Not established
The evidence we hold is mixed and limited. For Alzheimer disease, lecithin is rated likely ineffective.
For age-related cognitive decline, anxiety, bipolar disorder, and TPN-associated hepatic steatosis (a liver condition linked to IV nutrition), the evidence isn't established — there isn't enough reliable data to know either way. If you're thinking about lecithin for any of these, talk it over with your doctor about what the current evidence actually supports.
How safe is it?
Well-documented data
Soy lecithin is generally considered safe in food and supplement amounts. The most common side effects — abdominal pain, diarrhea, fullness, and nausea — are mild and digestive.
If you have a soy or egg allergy, you can have allergic skin reactions to it. During pregnancy and lactation, the data we hold rates it likely safe.
If you're pregnant or nursing and thinking about starting a lecithin supplement, check with your doctor or pharmacist first, especially because lecithin is sometimes used to help with clogged milk ducts and you'll want personalized advice.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredient we could check in this product. Still, if you take any medications, clear this product with your doctor or pharmacist before you start — they know your full medical picture and can spot anything we might have missed.
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.
Soy Lecithin by Nature's Sunshine is well tolerated and has no documented medication interactions in our data. It's most helpful if you use it as a food supplement rather than counting on it to treat Alzheimer disease or age-related cognitive decline — the evidence for those uses is weak or missing.
If you're allergic to soy or eggs, skip it. Talk with your doctor or pharmacist about whether it fits your situation and any other supplements or medications you're taking.
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 Oct 24, 2022.
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 | Nature's Sunshine |
|---|---|
| Barcode (UPC) | 099904037601 |
| Net contents | 180 Softgel(s) |
| Market status | On market |
| Date entered into DSLD | Oct 24, 2022 |
| DSLD ID | 278143 |
| Product type | Fat/fatty Acid |
| Supplement form | Softgel Capsule |
| Dietary claims / uses | Nutrient, 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 Lecithin by Nature's Sunshine, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Soy Lecithin | 1060 mg | -- |
Other ingredients: Gelatin, Glycerin, 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.
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.
General Statements
Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.
We source the world's purest ingredients, no matter where they are grown, to ensure the active nutrients are delivered just as nature intended.
New look! Same great product
Formula
Pure, natural soy lecithin without carrier oil. Freshness guaranteed.
Precautions
Do not use if inner seal is missing or damaged.
Formulation
Cardiovascular system support Nervous & circulatory system support
Guaranteed pure
FDA Statement of Identity
Dietary Supplement
Brand IP Statement(s)
Natures Sunshine Herbal experts since 1972
Suggested/Recommended/Usage/Directions
Recommended Use: Take 2 softgels with a meal three times daily.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lecithin by Nature's Sunshine 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 Nature's Sunshine
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Capsule(s) Dosage formSoftgel Capsule Servings per container90 Amounts shown are per serving.
Soy 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...
Soy Lecithin monograph & interactionsOther (inactive) ingredients: Gelatin, Glycerin, Water. These complete the product’s ingredient list but are not active constituents.
Lecithin by Nature's Sunshine 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.
Nature's Sunshine
See all Nature's Sunshine products- Name
- Nature's Sunshine Products, Inc.
- City
- Spanish Fork
- State
- UT
- ZipCode
- 84660
- Phone Number
- 1-800-223-8225
- Web Address
- www.naturessunshine.com
Lecithin by Nature's Sunshine: Common Questions
Does Lecithin by Nature's Sunshine interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is soy lecithin safe if I'm pregnant or breastfeeding?
What are the side effects?
Can this help with memory or Alzheimer disease?
Why is this made from soy?
Are there any fillers or other ingredients?
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