No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Sunflower Lecithin Ingredients & Drug Interactions

by Pure Herbs

Sunflower Lecithin label
See full label image
Softgel Capsule Category: Fat/fatty Acid
No known interaction
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
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

The interaction bottom line No known interaction

Sunflower Lecithin is a dietary supplement by Pure Herbs 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.

Jump to a section

HelloPharmacist Scorecard of Sunflower Lecithin by Pure Herbs

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.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This softgel contains one active ingredient: sunflower lecithin, a natural fat compound derived from sunflower seeds. The capsule itself is made from gelatin, glycerin, sunflower seed oil, and a few inactive ingredients (caramel coloring, titanium dioxide, and purified water) that help hold it together.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Lecithin's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: liver health.
  • We looked for evidence on: TPN-associated hepatic steatosis, fatty liver disease, hepatic function, liver support.
  • The closest evidence on file: Lecithin is rated "Insufficient Reliable Evidence To Rate" for TPN-associated hepatic steatosis (Natural Medicines).

The evidence for what sunflower lecithin can do is mixed. For Alzheimer disease, it's rated likely ineffective.

For age-related cognitive decline, anxiety, and bipolar disorder, we don't have enough reliable evidence to say whether it works or not. Some people use it to help with clogged milk ducts during breastfeeding, but that use also lacks solid evidence in the data we hold.

The evidence, ingredient by ingredient Lecithin

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Sunflower lecithin is generally well tolerated when taken by mouth. The most common side effects are abdominal pain, diarrhea, fullness, and nausea — usually mild.

If you have an egg or soy allergy, be aware that lecithin can trigger allergic skin reactions in sensitive people. The supplement is rated likely safe during pregnancy and lactation, though it's still a good idea to check with your doctor before starting any new supplement while pregnant or nursing.

Side effects, ingredient by ingredient Lecithin

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented for sunflower lecithin in our data. That doesn't guarantee there are none, so if you take any regular medications, it's worth a quick check with your pharmacist — especially if you're on blood thinners or have any digestive conditions.

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.

Pure Herbs Sunflower Lecithin is a straightforward, single-ingredient product with no documented drug interactions. It's generally well tolerated, though it can cause digestive upset in some people.

If you're pregnant, nursing, or have an egg or soy allergy, talk to your pharmacist before starting it.

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 Dec 13, 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

At a glance

General information

Key facts about Sunflower Lecithin, straight from the product label.

Brand Pure Herbs
Net contents 200 Softgel(s)
Market status On market
Date entered into DSLD Dec 13, 2022
DSLD ID 279887
Product type Fat/fatty Acid
Supplement form Softgel Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
From the label
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 Pure Herbs, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 Softgel(s)
Maximum serving Sizes:
2 Softgel(s)
Servings per container
100
IngredientAmount% DV
Sunflower Lecithin1040 mg--

Other ingredients: Gelatin, Glycerin, Polyglycitol Syrup, Sunflower Seed Oil, Water, Purified, Caramel Liquid, Titanium Dioxide

Tap any ingredient to jump to its full detail below.

Label statements
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: As a dietary supplement, take two softgels daily or as directed by your healthcare practitioner.

Formulation

Beneficial for liver health.

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.

Precautions

Warning: Not intended for use by pregnant or nursing women. If you have a medical condition or are taking medication, consult your doctor prior to use.

Discontinue use and consult with your doctor if any adverse reactions occur.

Keep out of reach of children

Brand IP Statement(s)

Pure Herbs, Ltd. Natural Herbal Extracts

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Sunflower Lecithin by Pure Herbs label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Sunflower Lecithin label

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)
What’s inside

The Ingredients in Sunflower Lecithin by Pure Herbs

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size2 Softgel(s) Dosage formSoftgel Capsule Servings per container100 Amounts shown are per serving.

Sunflower Lecithin

No known
interactions
1040 mg per serving Form: Phosphatides

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 & interactions

Other (inactive) ingredients: Gelatin, Glycerin, Polyglycitol Syrup, Sunflower Seed Oil, Water, Purified, Caramel Liquid, Titanium Dioxide. These complete the product’s ingredient list but are not active constituents.

Interaction report

Sunflower Lecithin by Pure Herbs 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.

The maker

Brand information

Manufacturer and brand details for Sunflower Lecithin, from the product label.

Pure Herbs

See all Pure Herbs products
Name
Pure Herbs, Ltd.
City
Sterling Heights
State
MI
Phone Number
(800) 860-4372
Web Address
www.pureherbs.com
Pharmacist Counseling Corner

Sunflower Lecithin by Pure Herbs: Common Questions

Does Sunflower Lecithin by Pure Herbs interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Sunflower Lecithin. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Sunflower Lecithin contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm pregnant or breastfeeding?
Sunflower lecithin is rated likely safe during pregnancy and lactation. Some people use it to help with clogged milk ducts while nursing, but check with your doctor or pharmacist first to make sure it's right for your situation.
What are the most common side effects?
Most people tolerate it well. The side effects that do show up are usually mild — abdominal pain, diarrhea, a feeling of fullness, and nausea. If you have an egg or soy allergy, lecithin can cause allergic skin reactions.
Does sunflower lecithin actually improve memory or brain function?
For Alzheimer disease, the evidence says it's likely ineffective. For age-related cognitive decline, anxiety, and bipolar disorder, we just don't have enough reliable evidence either way — so we can't say whether it works.
Is this product free of fillers?
The softgel capsule does contain inactive ingredients like gelatin, glycerin, and sunflower seed oil to hold it together, along with some coloring and water. The active ingredient is just sunflower lecithin.
Can I take this with my blood pressure or heart medications?
No interactions are documented between sunflower lecithin and those drug types in our data. Still, it's worth running your exact medications through the checker on this page or asking your pharmacist, just to be sure.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Sunflower Lecithin is safe with your meds?

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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.

Sunflower Lecithin label
Go deeper

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.

Herb & supplement monograph

Lecithin

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 most of its health claims is limited, t...

Read the full Lecithin monograph →
Sources

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.

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
  1. 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.
  2. 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
  3. 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.
  4. Gelenberg AJ, Dorer DJ, Wojcik JD, et al. A crossover study of lecithin treatment of tardive dyskinesia. J Clin Psychiatry 1990;51:149-53.
  5. 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
  6. Palm M, Moneret-Vautrin DA, Kanny G, et al. Food allergy to egg and soy lecithins. Allergy 1999;54:1116-7. PubMed
  7. Drachman DA, Glosser G, Fleming P, et al. Memory decline in the aged: treatment with lecithin and physostigmine. Neurology 1982;32:944-50. PubMed
  8. 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
  9. 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:

See these in context on the Lecithin monograph →

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

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