Lyophilized Liver Extract Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Lyophilized Liver Extract 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
Lyophilized Liver Extract is a dietary supplement by Cardiovascular Research with 1 active ingredient. Its ingredients are commonly taken for anemia and low iron, vitamin b12 support, general energy and fatigue.Based on those ingredients, 3 medications have a known interaction with it, the most serious rated minor. The ingredients most likely to interact are Liver Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Lyophilized Liver Extract by Cardiovascular Research
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AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Lyophilized Liver Extract by Cardiovascular Research
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: liver extract (lyophilized, meaning freeze-dried). Liver extract is used as a nutritional supplement derived from animal liver.
The capsule itself is made from gelatin and glycerine, which are inactive ingredients that form and fill the capsule.
Does it work?
Couldn't assess
The evidence we hold on liver extract is mixed. For chronic fatigue syndrome, the data suggests it's possibly ineffective.
For hepatitis C, we don't have enough reliable evidence to rate whether it works or not. If you're considering this product for either of those conditions, talk it over with your doctor about what the current evidence supports.
How safe is it?
Well-documented data
No adverse reactions have been formally reported, but we want to be straight with you: a thorough safety evaluation hasn't been conducted. Liver extract can deliver very high levels of vitamin A and iron, so it's not risk-free, especially at high doses or with long-term use.
There's also concern about product quality and source—liver extract comes from raw animal liver from slaughterhouses, which could potentially be contaminated or come from sick animals. In countries where bovine spongiform encephalitis (BSE, a serious brain disease in cattle) has been reported—including Great Britain, France, The Netherlands, Portugal, Luxembourg, Ireland, Switzerland, Oman, and Belgium—there is theoretical concern about contaminated tissue, though no human cases from liver extract have been reported.
If you're pregnant, this product delivers high vitamin A, which could harm a developing baby; avoid it unless your doctor advises otherwise. If you're breastfeeding or considering this during pregnancy, there isn't enough safety data on file—talk with your doctor for personalized advice.
Meds to double-check
Minor interactions only
If you take warfarin (Coumadin) or any blood thinner, flag this product—starting or stopping it could theoretically shift how well the blood thinner works. Also double-check if you're on iron-containing medications or supplements; combining them with this product may increase iron levels in your body.
Run your exact medications through the checker before you start.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Only minor medication interactions are documented, and safety information is well characterized.
Lyophilized Liver Extract is generally low-risk for healthy adults at food amounts, but it concentrates vitamin A and iron, which matters if you're taking blood thinners like warfarin or iron supplements. Product sourcing and safety studies are limited, so this is a conversation-with-your-doctor kind of supplement rather than a grab-and-go one.
Before you start, check your exact medications with the tool on this page and run the decision past your own doctor or pharmacist.
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 25, 2013.
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 Lyophilized Liver Extract, straight from the product label.
| Brand | Cardiovascular Research |
|---|---|
| Net contents | 90 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jun 25, 2013 |
| DSLD ID | 22720 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | 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 Lyophilized Liver Extract by Cardiovascular Research, sourced from the NIH Dietary Supplement Label Database.
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
The nutrients contained within these capsules are the purest and highest quality obtainable and contain no fillers, binders, excipients, flow agents or preservatives to insure maximal tolerance and absorption.
FDA Disclaimer Statement
This product has not been evaluated by the FDA. This product is not intended to diagnose, cure, treat or prevent any disease.
Seals/Symbols
ECOLOGICAL FORMULAS
FDA Statement of Identity
Dietary Supplement
A DIETARY SUPPLEMENT
Suggested/Recommended/Usage/Directions
DIRECTIONS Take three capsules daily, or as directed by a physician.
General Statements
11010328
Lyophilized Liver Extract is a specially prepared nutritional supplement derived from organically-grazed cattle and contains absolutely no trace of pesticides or synthetic hormones. Prior to extraction, the liver is lyophilized (freeze-dried) to protect the delicate nucleoproteins and polypeptides from denaturation. Then it is subject to hydrolysis to extract a high concentration of Superoxide dismutase and Catalase. These nutrients are potent antioxidants and serve as a support to liver function.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lyophilized Liver Extract by Cardiovascular Research 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 Lyophilized Liver Extract by Cardiovascular Research
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size3 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.
Liver Extract
Interacts with3 drugs
Liver extract is a dried or concentrated form of animal liver that is naturally rich in iron, vitamin B12, vitamin A, and other nutrients. It was once...
Liver Extract monograph & interactionsOther (inactive) ingredients: Gelatin, Glycerine. These complete the product’s ingredient list but are not active constituents.
Lyophilized Liver Extract by Cardiovascular Research Drug Interactions
HelloPharmacist Interaction Report
Lyophilized Liver Extract by Cardiovascular Research has documented interactions with a small number of medications, primarily through its variable vitamin K and heme iron content.
Read the full breakdown — every affected drug type, severity by severity
The most serious concern is with warfarin (Coumadin), a blood thinner. Liver extract can contain small amounts of vitamin K, which theoretically could reduce warfarin's blood-thinning effect and lower your INR (a measure of how thin your blood is).
This interaction hasn't been directly studied in humans, but starting, stopping, or substantially changing how much liver extract you take could be a problem if you're on warfarin.
Iron-containing medications or supplements are another consideration. Since liver extract contains heme iron, combining it with iron products may increase your total iron intake and raise the risk of stomach upset or excess iron buildup in your body—especially at high doses, with long-term use, or if you have a condition like hemochromatosis (iron overload).
Altogether, these interactions span 3 individual medications. Before you start this supplement, run your exact medications through the checker on this page.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Lyophilized Liver Extract?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Lyophilized Liver Extract interact with 3 drugs. Click any drug to see the details.
1 of the 1 ingredient in Lyophilized Liver Extract interact with drugs. Each result below shows which ingredient is responsible. Liver Extract
Ferrous SulfateFeosol
How Ferrous Sulfate interacts with Lyophilized Liver Extract — through 1 ingredient. Tap an ingredient for the detail:
Liver ExtractIron Minor
Interaction Summary
Liver extract can contain heme iron.
Read the full Liver Extract + Ferrous Sulfate interactionWarfarinWarfarin
How Warfarin interacts with Lyophilized Liver Extract — through 1 ingredient. Tap an ingredient for the detail:
Liver ExtractWarfarin (coumadin) Minor
Interaction Summary
Liver extract products may contain small and variable amounts of vitamin K.
Read the full Liver Extract + Warfarin interactionWarfarin SodiumCoumadin, Panwarfin, Sofarin
How Warfarin Sodium interacts with Lyophilized Liver Extract — through 1 ingredient. Tap an ingredient for the detail:
Liver ExtractWarfarin (coumadin) Minor
Interaction Summary
Liver extract products may contain small and variable amounts of vitamin K.
Read the full Liver Extract + Warfarin Sodium interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Lyophilized Liver Extract 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.
Liver Extract
Iron
Liver extract can contain heme iron. Taking liver extract with iron-containing medications or supplements may increase total iron intake and could increase the risk of gastrointestinal adverse effects or excessive iron accumulation. The risk is greater with high doses, prolonged use, or in individuals with hemochromatosis or another iron-overload disorder. Review the iron content of the liver extract and the total elemental iron dose. Avoid unnecessary duplicate iron supplementation and consider monitoring ferritin and transferrin saturation when clinically appropriate.
Warfarin (Coumadin)
Liver extract products may contain small and variable amounts of vitamin K. Theoretically, starting, stopping, or substantially changing the amount of liver extract used could reduce the anticoagulant effect of warfarin and lower the INR. However, this interaction has not been directly studied or reported in humans, and the vitamin K content of liver extract products is generally not standardized. Consider monitoring the INR after a meaningful change in liver extract use.
Brand information
Manufacturer and brand details for Lyophilized Liver Extract, from the product label.
Cardiovascular Research
See all Cardiovascular Research products- Name
- CARDIOVASCULAR RESEARCH, LTD.
- Street Address
- 1061-B SHARY CIRCLE
- City
- CONCORD
- State
- CA
- ZipCode
- 94518
Lyophilized Liver Extract by Cardiovascular Research: Common Questions
Does Lyophilized Liver Extract by Cardiovascular Research interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is liver extract safe during pregnancy?
What exactly is in this capsule?
Does this actually work for chronic fatigue?
Can I take this with my iron supplement?
What are the side effects?
Where does the liver come from, and is it safe?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Lyophilized Liver Extract 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 Lyophilized Liver Extract’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Lyophilized Liver Extract'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 4 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.
Liver Extract 4 references
- Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
- Kaslow JE, Rucker L, Onishi R. Liver extract-folic acid-cyanocobalamin vs placebo for chronic fatigue syndrome. Arch Intern Med 1989;149:2501-3. DOI
- Ebinuma, H., Saito, H., Tada, S., Masuda, T., Kamiya, T., Nishida, J., Yoshioka, M., and Ishii, H. Additive therapeutic effects of the liver extract preparation mixture adelavin-9 on interferon-beta treatment for chronic hepatitis C. Hepatogastroenterolog
- Saito, H., Ebinuma, H., Tada, S., Tsunematsu, S., Atsukawa, K., Masuda, T., Tsuchiya, M., and Ishii, H. Enhancing effect of the liver extract and flavin adenin dinucleotide mixture on anti-viral efficacy of interferon in patients with chronic hepatitis C. PubMed
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