Interactions on record — worth a quick check against your medications. Based on 2 of 3 ingredients. Check your meds →
Dietary supplement

Soy Lecithin Granules Ingredients & Drug Interactions

by GNC

Soy Lecithin Granules label
See full label image
Powder Category: Other Combinations
Most serious interaction: Minor
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Soy Lecithin Granules 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 Most serious interaction: Minor

Soy Lecithin Granules is a dietary supplement by GNC with 3 active ingredients. Its ingredients are commonly taken for liver health, memory and brain support, ulcerative colitis.Based on those ingredients, 16 medications have a known interaction with it, the most serious rated minor. The ingredients most likely to interact are Total Choline. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Soy Lecithin Granules by GNC

Ask about any prescription or over-the-counter medication and we check it for interactions with Soy Lecithin Granules by GNC — and tell you which ingredient is responsible.

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Computed from our clinical databases

HelloPharmacist Scorecard of Soy Lecithin Granules by GNC

Four independent checks of what is known — a summary of the available information, not a grade of the product itself.

Evidence for Intended Use
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 assessable

The stated purpose hasn't been mapped to our evidence data yet.

Why this rating?
  • We haven't mapped this product's purpose to our evidence data yet — it'll be graded on the next content refresh.
Ingredient Transparency
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 5 of its 5 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.
Known Interaction Concern
Minor only

Only Minor-severity interactions are documented for these ingredients.

Why this rating?
  • 1 of the 2 matched ingredients can interact with medications — Choline.
  • The most serious interaction on file is rated Minor.
  • For scale: 16 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.
Safety Information
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 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

HelloPharmacist summaryFully disclosed formula with no assessable stated purpose. Only minor medication interactions are documented, and safety information is well characterized.

Assessment coverage: 2 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 26, 2011.

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 Soy Lecithin Granules, straight from the product label.

Brand GNC
Barcode (UPC) 048107058876
Net contents 16 oz.; 1 lb; 454 g
Market status Off market
Date entered into DSLD Oct 26, 2011
DSLD ID 1369
Product type Other Combinations
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Soy Lecithin Granules by GNC, 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:
1 Tbsp
Maximum serving Sizes:
1 Tbsp
Servings per container
60
UPC/BARCODE
048107058876
IngredientAmount% DV
Calories40 {Calories}--
Total Carbohydrates1 g1%
Calories from Fat35 {Calories}--
Total Fat4 g6%
Saturated Fat1 g5%
Polyunsaturated Fat2.5 g--
Phosphorus250 mg25%
Monounsaturated Fat0.5 g--
Phosphatidyl Choline1725 mg--
Total Choline250 mg--

Other ingredients: Soy Lecithin Granules, Tricalcium Phosphate

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.
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.

This product is sold by weight, not volume. You can be assured of proper weight even though some settling of contents normally occurs during shipping and handling

FDA Statement of Identity

DIETARY SUPPLEMENT

Formulation

No Starch, No Artificial Colors, No Artificial Flavors, No Preservatives, No Wheat, No Corn, No Dairy, Yeast Free

Precautions

KEEP OUT OF REACH OF CHILDREN

Storage

Store in a cool, dry place.

General Statements

an excellent source of choline provides dietary support for brain, liver and cardiovascular health

For more information:

GNC GUARANTEE Use any GNC supplement for as little as 10 days. It you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!

GNC QUALITY COMMITMENT GNC is the leader in the development and manufacture of dietary supplements, committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality committment to you by offering our money-back guarantee.

Lot No./Best By:

Soy lecithin granules are convenient to use and can be sprinkled on food or mixed in juice or water.

Soy lecithin granules supply a naturally occuring combination of phosphatidyl choline (PC) and other phospholipids extracted from soybeans. Lecithin is a preferred source of choline and is used effectively by the body. Choline is essential for making acetylcholine, a messenger chemical that is important in sending messages from one nerve cell to another. Clinical studies have also shown that lecithin helps the body emulsify fat and provides dietary support for brain, liver and cardiovascular health.

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General

CODE 005627 DEG

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take one tablespoon daily

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

See for yourself

Soy Lecithin Granules by GNC label

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

Soy Lecithin Granules 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 Soy Lecithin Granules by GNC

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Tbsp Dosage formPowder Servings per container60 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Phosphorus

250 mg per serving

Phosphatidyl Choline

No known
interactions
1725 mg per serving Form: Lecithin

Phosphatidylcholine is a phospholipid that is part of every cell membrane and a source of choline. People take it for liver, brain, and gut health, bu...

Phosphatidyl Choline monograph & interactions

Total Choline

Interacts with
16 drugs
250 mg per serving Form: Lecithin

Choline is an essential nutrient your body needs for liver function, brain health, and nerve signaling, and many people get enough from foods like egg...

Total Choline monograph & interactions

Other (inactive) ingredients: Soy Lecithin Granules, Tricalcium Phosphate. These complete the product’s ingredient list but are not active constituents.

Interaction report

Soy Lecithin Granules by GNC Drug Interactions

Soy Lecithin Granules contains 3 ingredients, and 1 of them has known drug interactions. Altogether it interacts with 16 medications. Here’s the picture, then you can look up your own drug.

Want to check YOUR meds against Soy Lecithin Granules?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
16Drugs
16 Minor

Ingredients driving the most interactions

Total Choline 16

Individual Drug Interactions

The ingredients in Soy Lecithin Granules interact with 16 drugs. Click any drug to see the details.

1 of the 3 ingredients in Soy Lecithin Granules interact with drugs. Each result below shows which ingredient is responsible. Total Choline

Each ingredient & the kinds of drugs it affects

For each ingredient in Soy Lecithin Granules with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Total Choline1 drug type · 16 drugs

Atropine

Theoretically, choline might decrease the effects of atropine in the brain.
Animal research shows that administering choline one hour before administering atropine can attenuate atropine-induced decreases in brain levels of acetylcholine. Theoretically, concomitant use of choline and atropine may decrease the effects of atropine.

Likelihood Possible Evidence D
Total Choline full monograph & interactions
The maker

Brand information

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

GNC

See all GNC products
Name
General Nutrition Corp.
City
Pittsburgh
State
PA
ZipCode
15222
Phone Number
1-888-462-2548
Web Address
www.gnc.com
Pharmacist Counseling Corner

Soy Lecithin Granules by GNC: Common Questions

Does Soy Lecithin Granules by GNC interact with any medications?
Yes. Based on its ingredients, Soy Lecithin Granules has a known interaction with 16 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Soy Lecithin Granules contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is 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.

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

Not sure if Soy Lecithin Granules 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.

Soy Lecithin Granules label
Go deeper

The Full Monographs Behind Soy Lecithin Granules’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Phosphatidylcholine

Phosphatidylcholine is a phospholipid that is part of every cell membrane and a source of choline. People take it for liver, brain, and gut health, but solid human evidence is limited for mo...

Read the full Phosphatidylcholine monograph → Herb & supplement monograph

Choline

Interacts with 16 drugs

Choline is an essential nutrient your body needs for liver function, brain health, and nerve signaling, and many people get enough from foods like eggs, meat, and fish. Supplements may help...

Read the full Choline monograph →
Sources

Sources & How We Checked

Soy Lecithin Granules'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 29 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.

Phosphatidylcholine 15 references
  1. Domino EF, May WW, Demetriou S, et al. Lack of clinically significant improvement of patients with tardive dyskinesia following phosphatidylcholine therapy. Biol Psychiatry 1985;20:1189-96. PubMed
  2. Aronson PJ, Lorincz AL. Promotion of palmar sweating with oral phosphatidylcholine. Acta Derm Venereol 1985;65:19-24. DOI
  3. Hexsel DM, Serra M, de Oliveira Dal'Forno T, et al. Cosmetic uses of injectable phosphatidylcholine on the face. Otolaryngol Clin North Am 2005;38:1119-29. PubMed
  4. Kopera D, Binder B, Toplak H, et al. Histopathologic changes after intralesional application of phosphatidylcholine for lipoma reduction: report of a case. Am J Dermatopathol 2006;28:331-3. PubMed
  5. Rittes PG. The use of phosphatidylcholine for correction of lower lid bulging due to prominent fat pads. Dermatol Surg 2001;27:391-2. PubMed
  6. Rotunda AM, Kolodney MS. Mesotherapy and phosphatidylcholine injections: historical clarification and review. Dermatol Surg 2006;32:465-80. PubMed
  7. Hexsel D, Serra M, Mazzuco R, et al. Phosphatidylcholine in the treatment of localized fat. J Drugs Dermatol 2003;2:511-8.
  8. Hasengschwandtner F. Phosphatidylcholine treatment to induce lipolysis. Cosmet Dermatol 2005;4:308-13. PubMed
  9. Rittes PG. The use of phosphatidylcholine for correction of localized fat deposits. Aesthetic Plast Surg 2003;27:315-8. PubMed
  10. Ablon G, Rotunda AM. Treatment of lower eyelid fat pads using phosphatidylcholine: clinical trial and review. Dermatol Surg 2004;30:422-7. PubMed
  11. Loguercio C, Andreone P, Brisc C, et al. Silybin combined with phosphatidylcholine and vitamin E in patients with nonalcoholic fatty liver disease: a randomized controlled trial. Free Radic Biol Med 2012;52(9):1658-65. PubMed
  12. Panos, J. M., Palson, R., Johnson, R., Portmann, B., and Williams, R. Polyunsaturated phosphatidylcholine for acute alcoholic hepatitis: a double blind randomized placebo controlled trial. Eur.J.Gastroenterol 1990;2:351-355.
  13. Stremmel W, Braun A, Hanemann A, Ehehalt R, Autschbach F, Karner M. Delayed release phosphatidylcholine in chronic-active ulcerative colitis: a randomized, double-blinded, dose finding study. J Clin Gastroenterol 2010;44(5):e101-7. PubMed
  14. Stremmel W, Ehehalt R, Autschbach F, Karner M. Phosphatidylcholine for steroid-refractory chronic ulcerative colitis: a randomized trial. Ann Intern Med. 2007;147(9):603-10. PubMed
  15. Stremmel W, Vural H, Evliyaoglu O, Weiskirchen R. Delayed Release Phosphatidylcholine is Effective for Treatment of Ulcerative Colitis: A Meta-Analysis. Dig Dis 2021;39(5):508-515. PubMed

See these in context on the Phosphatidylcholine monograph →

Choline 14 references
  1. Yates AA, Schlicker SA, Suitor CW. Dietary reference intakes: The new basis for recommendations for calcium and related nutrients, B vitamins, and choline. J Am Diet Assoc 1998;98:699-706. PubMed
  2. Cho E, Willett WC, Colditz GA, et al. Dietary choline and betaine and the risk of distal colorectal adenoma in women. J Natl Cancer Inst 2007;99:1224-31. PubMed
  3. Schmidt, C., Abicht, A., Krampfl, K., Voss, W., Stucka, R., Mildner, G., Petrova, S., Schara, U., Mortier, W., Bufler, J., Huebner, A., and Lochmuller, H. Congenital myasthenic syndrome due to a novel missense mutation in the gene encoding choline acetyl
  4. Tamminga, C., Smith, R. C., Chang, S., Haraszti, J. S., and Davis, J. M. Depression associated with oral choline. Lancet 10-23-1976;2(7991):905. PubMed
  5. Wood, J. L. and Allison, R. G. Effects of consumption of choline and lecithin on neurological and cardiovascular systems. Fed.Proc. 1982;41(14):3015-3021.
  6. Growdon, J. H. and Gelenberg, A. J. Choline and lecithin administration to patients with tardive dyskinesia. Trans.Am.Neurol.Assoc. 1978;103:95-99.
  7. Smith, C. M., Swash, M., Exton-Smith, A. N., Phillips, M. J., Overstall, P. W., Piper, M. E., and Bailey, M. R. Choline therapy in Alzheimer's disease. Lancet 8-5-1978;2(8084):318. PubMed
  8. Morrison, L. M. and W. F. Gonzales. Choline in coronary atherosclerosis. Amer.Heart J. 1950;39:729.
  9. Christie, J. G. Blackburn 1. M. Glen A. I. M. Zeisel S. Shering A. & Yates C. M. Effects of choline and lecithin on CSF choline levels and on cognitive functioning in patients with presenile dementia of the Alzheimer type. Nutrition and the brain 1979;5
  10. Sidhu N, Davies S, Nadarajah A, et al. Oral choline supplementation for postoperative pain. Br J Anaesth 2013;111(2):249-55. PubMed
  11. Wozniak JR, Fuglestad AJ, Eckerle JK, et al. Choline supplementation in children with fetal alcohol spectrum disorders has high feasibility and tolerability. Nutr Res. 2013;33(11):897-904. PubMed
  12. Wozniak JR, Fuglestad AJ, Eckerle JK, et al. Choline supplementation in children with fetal alcohol disorders: a randomized, double-blind, placebo-controlled trial. Am J Clin Nutr. 2015;102(5): 1113-25.
  13. Ross RG, Hunter SK, McCarthy L, et al. Perinatal choline effects on neonatal pathophysiology related to later schizophrenia risk. Am J Psychiatry. 2013;170(3):290-8. PubMed
  14. Food and Nutrition Board, Institute of Medicine. Choline. Dietary Reference Intakes: Thiamin, Riboflavin, Niacin, Vitamin B-6, Vitamin B-12, Pantothenic Acid, Biotin, and Choline. Washington D.C.: National Academy Press; 1998:390-422.

See these in context on the Choline 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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