Nutra-BRL Ingredients & Drug Interactions
by NutraMedix
What is this page for?
First and foremost: checking Nutra-BRL 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
Nutra-BRL is a dietary supplement by NutraMedix with 3 active ingredients. Its ingredients are commonly taken for sugar substitute / sweetener, blood sugar support in diabetes, weight management.Based on those ingredients, 1,121 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Uncaria tomentosa Bark Extract, Stevia Leaf Extract, Otoba parvifolia bark extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Nutra-BRL by NutraMedix
Ask about any prescription or over-the-counter medication and we check it for interactions with Nutra-BRL by NutraMedix — and tell you which ingredient is responsible.
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 Nutra-BRL by NutraMedix
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
Low disclosure
Nutra-BRL is a liquid containing three active ingredients. Stevia leaf extract is a sweetener derived from the stevia plant.
Otoba parvifolia bark extract, also called Banderol, comes from tree bark. Cat's claw (Uncaria tomentosa bark extract) is a plant used in traditional herbalism.
The product also contains mineral water and ethanol as inactive ingredients.
Does it work?
Couldn't assess
The data we hold does not establish reliable evidence that stevia works for diabetes, high blood pressure, or weight loss. Cat's claw is similarly not well-supported by reliable evidence for hay fever, Alzheimer's disease, asthma, osteoporosis, cancer, or chronic fatigue syndrome.
We have no effectiveness ratings on file for Banderol. If you're considering this product for a specific health goal, talk with your pharmacist or doctor about what the evidence actually shows.
How safe is it?
Well-documented data
Stevia is generally well tolerated in food amounts, though high-dose supplements lack solid safety data—use caution with supplement doses. Mild side effects like bloating, dizziness, headache, muscle pain, nausea, and numbness can occur and usually resolve within a week.
Rarely, allergic reactions happen. Cat's claw is generally well tolerated short-term in healthy adults, but long-term safety isn't well studied.
Case reports link cat's claw to kidney injury in some patients. Banderol has very limited human safety data—use it only with professional guidance.
Do not use this product during pregnancy or while breastfeeding; the safety data advises against it.
Meds to double-check
Moderate interaction found
Before taking Nutra-BRL, double-check these medication types with your pharmacist: blood thinners and antiplatelet drugs (cat's claw may increase bleeding risk); blood-pressure medications including calcium channel blockers (cat's claw and stevia may lower blood pressure further); diabetes drugs (stevia may lower blood sugar); drugs metabolized by the liver enzyme CYP3A4, including Paxlovid (cat's claw may alter their levels); lithium for mood disorders (stevia may raise levels); and immune-suppressing drugs (cat's claw may interfere with them).
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
This product carries several Moderate-severity drug interactions, especially with blood thinners, blood-pressure drugs, CYP3A4-metabolized medications, and immune suppressants. If you take any prescription medication or over-the-counter drugs regularly, check them against the interaction tool on this page before you start.
Talk with your pharmacist to make sure it's right for you.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2025.
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 Nutra-BRL, straight from the product label.
| Brand | NutraMedix |
|---|---|
| Barcode (UPC) | 728650059222 |
| Net contents | 2 Fluid Ounce(s); 60 mL |
| Market status | On market |
| Date entered into DSLD | Sep 25, 2025 |
| DSLD ID | 334108 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Women (not pregnant or lactating) |
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 Nutra-BRL by NutraMedix, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Proprietary Blend | 3 mL | -- |
| Stevia Leaf Extract | 0 NP | -- |
| Otoba parvifolia bark extract | 0 NP | -- |
| Uncaria tomentosa Bark Extract | 0 NP | -- |
Other ingredients: Mineral Water, Ethanol
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
Shake well before each use. Put 2 to 60 drops in 4 oz (120 mL) of water and wait one minute before drinking. Start with 2 drops (30 min before meals) increasing by 2 drops with each dose up to 60 drops, 2 times a day or as directed by physician.
Precautions
Do not use if pregnant or nursing.
Stop use if adverse reactions develop.
Keep out of reach of children.
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.
Formulation
Microbial support
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Nutra-BRL by NutraMedix 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 Nutra-BRL by NutraMedix
These are the 3 active ingredients this product is made of. Select any to open its full monograph.
Serving size0.1 mL Dosage formLiquid Servings per container20 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.
Proprietary Blend
Other (inactive) ingredients: Mineral Water, Ethanol. These complete the product’s ingredient list but are not active constituents.
Nutra-BRL by NutraMedix Drug Interactions
HelloPharmacist Interaction Report
Nutra-BRL from NutraMedix contains three active ingredients, and they interact with a significant range of medications.
The most serious concern is cat's claw (Uncaria tomentosa), which has Moderate-severity interactions affecting multiple drug types, including blood thinners (anticoagulants and antiplatelet drugs)—cat's claw may increase bleeding risk because its alkaloids can slow platelet clumping. It also affects drugs that lower blood pressure, heart rhythm drugs (calcium channel blockers), drugs metabolized through a liver enzyme called CYP3A4, immune-suppressing medications, and the antiviral Paxlovid.
Read the full breakdown — every affected drug type, severity by severity
Stevia leaf extract interacts with lithium (mood-stabilizing medication) at Moderate severity—stevia may reduce how your kidneys clear lithium, raising its levels—and with blood-pressure drugs and diabetes medications at Minor severity, theoretically increasing the risk of low blood pressure or low blood sugar.
Otoba parvifolia bark extract (Banderol) has Moderate-severity interactions with drugs that use specific liver transport proteins (OAT1 and OAT3 substrates), though the real-world clinical impact isn't well understood. Altogether, these interactions span 1,104 individual medications.
Please use the medication checker below to verify your exact prescriptions before starting.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Nutra-BRL?
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 Nutra-BRL interact with 1,121 drugs. Click any drug to see the details.
3 of the 3 ingredients in Nutra-BRL interact with drugs. Each result below shows which ingredient is responsible. Uncaria tomentosa Bark Extract Stevia Leaf Extract Otoba parvifolia bark extract
6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractImmunosuppressants Moderate
Interaction Summary
Theoretically, cat's claw might interfere with immunosuppressive therapy.
Read the full Uncaria Tomentosa Bark Extract + 6-mercaptopurine interactionAdo-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Ado-trastuzumab Emtansine interactionAbciximabReoPro
How Abciximab interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, cat's claw may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Uncaria Tomentosa Bark Extract + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractAnticoagulant/antiplatelet Drugs, Immunosuppressants Moderate
Interaction Summary
Theoretically, cat's claw may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Uncaria Tomentosa Bark Extract + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acalabrutinib interactionAcebutololRhotral, Sectral
How Acebutolol interacts with Nutra-BRL — through 2 ingredients. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, taking cat's claw with antihypertensive drugs might increase the risk of hypotension.
Read the full Uncaria Tomentosa Bark Extract + Acebutolol interactionStevia Leaf ExtractAntihypertensive Drugs Minor
Interaction Summary
Theoretically, combining stevia or stevia constituents with antihypertensive agents might increase the risk of hypotension.
Read the full Stevia Leaf Extract + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, cat's claw may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Uncaria Tomentosa Bark Extract + Acenocoumarol interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Nutra-BRL — through 2 ingredients. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, cat's claw may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Aspirin interactionOtoba Parvifolia Bark ExtractOrganic Anion Transporter 1 (oat1) Substrates, Organic Anion Transporter 3 (oat3) Substrates Moderate
Interaction Summary
Small lab studies have found that Banderol may inhibit OATP1B1 (Organic Anion Transporting Polypeptide 1B1), which is a membrane protein responsible for the uptake of various drugs, hormones, and other biologically active substances into the cells of the liver and other tissues.
Read the full Otoba Parvifolia Bark Extract + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Nutra-BRL — through 2 ingredients. Tap an ingredient for the detail:
Otoba Parvifolia Bark ExtractOrganic Anion Transporter 1 (oat1) Substrates, Organic Anion Transporter 3 (oat3) Substrates Moderate
Interaction Summary
Small lab studies have found that Banderol may inhibit OATP1B1 (Organic Anion Transporting Polypeptide 1B1), which is a membrane protein responsible for the uptake of various drugs, hormones, and other biologically active substances into the cells of the liver and other tissues.
Read the full Otoba Parvifolia Bark Extract + Acetaminophen, Aspirin, Caffeine interactionUncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Anticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with Nutra-BRL — through 1 ingredient. Tap an ingredient for the detail:
Uncaria Tomentosa Bark ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Read the full Uncaria Tomentosa Bark Extract + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Nutra-BRL with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
Uncaria tomentosa Bark Extract
Anticoagulant/Antiplatelet Drugs
Theoretically, cat's claw may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Cat's claw contains rhynchophylline and isorhynchophylline. Animal research suggests that these alkaloids can inhibit platelet aggregation. This interaction has not been reported in humans.
Antihypertensive Drugs
Theoretically, taking cat's claw with antihypertensive drugs might increase the risk of hypotension.
Cat's claw contains rhynchophylline. In vitro and animal research suggests that rhynchophylline can lower blood pressure. This interaction has not been reported in humans.
Calcium Channel Blockers
Theoretically, taking cat's claw with calcium channel blockers might increase the risk of hypotension.
Cat's claw contains various alkaloids, including rhynchophylline, isorhynchophylline, corynoxeine, and isocorynoxiene. Animal research suggests that these alkaloids can lower blood pressure by acting as calcium channel blockers. This interaction has not been reported in humans.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, cat's claw might increase or decrease the levels and effects of drugs metabolized by CYP3A4.
Cat's claw may affect the clearance of drugs metabolized by CYP3A4. In vitro research shows that cat's claw can inhibit CYP3A4 enzymes. In one case report, a patient taking cat's claw (at an unspecified dose) experienced increased serum levels of atazanavir, ritonavir, and saquinavir, all of which are CYP3A4 substrates. Levels returned to normal 15 days after discontinuation of the cat's claw supplement, suggesting inhibition of CYP3A4 by cat's claw. In contrast, animal research suggests that rhynchophylline, an alkaloid contained in cat's claw, induces CYP3A expression and accelerates the metabolism of nirmatrelvir, the active component in the nirmatrelvir/ritonavir combination product.
Immunosuppressants
Theoretically, cat's claw might interfere with immunosuppressive therapy.
In human and laboratory research, cat's claw has been shown to have immunostimulating activity. It stimulates phagocytosis and increases respiratory cellular activity and the mobility of leukocytes. Theoretically, this could interfere with the activity of immunosuppressant medications.
Nirmatrelvir/Ritonavir (Paxlovid)
Theoretically, cat's claw may decrease the levels of nirmatrelvir.
Cat's claw contains rhynchophylline. Animal research suggests that this alkaloid induces CYP3A expression, thereby accelerating the metabolism of nirmatrelvir, the active component in the nirmatrelvir/ritonavir combination product. This interaction has not been reported in humans.
Stevia Leaf Extract
Lithium
Theoretically, stevia might decrease clearance and increase levels of lithium.
Animal research suggests that stevia extracts might have diuretic activity. Theoretically, increased reabsorption of lithium along with sodium might reduce excretion and increase levels of lithium.
Antidiabetes Drugs
Theoretically, stevia might increase the risk for hypoglycemia when combined with antidiabetes drugs.
Preliminary clinical research in patients with type 2 diabetes suggests that taking a single dose of stevia extract 1000 mg reduces postprandial blood glucose levels when taken with a meal. However, other clinical research in patients with type 1 or type 2 diabetes suggests that taking stevioside 250 mg three times daily does not significantly affect blood glucose levels or glycated hemoglobin (HbA1C) after three months of treatment.
Antihypertensive Drugs
Theoretically, combining stevia or stevia constituents with antihypertensive agents might increase the risk of hypotension.
Stevia extract and stevioside might lower blood pressure in patients with hypertension. However, other clinical research suggests that stevioside does not significantly lower blood pressure in patients with hypertension.
Otoba parvifolia bark extract
Organic Anion Transporter 1 (Oat1) Substrates
Small lab studies have found that Banderol may inhibit OATP1B1 (Organic Anion Transporting Polypeptide 1B1), which is a membrane protein responsible for the uptake of various drugs, hormones, and other biologically active substances into the cells of the liver and other tissues. It is often referred to as a drug transporter. It is a member of the OATP family of transporters and is known to play a critical role in the pharmacokinetics of many drugs. When OATPs are inhibited, it can cause problems with the elimination of drugs and result in a sudden rise in the concentration of the drug in the bloodstream and the extent to which it is absorbed (AUC) for drugs that rely on these transporters. This can increase the likelihood of adverse side effects associated with the therapy.
Organic Anion Transporter 3 (Oat3) Substrates
Small lab studies have found that Banderol may also inhibit OATP1B3 (Organic Anion Transporting Polypeptide 1B3), in addition to OATP1B1. If a drug is a substrate for both transporters, the risk of interaction with Banderol increases but the overall clinical significance is not well understood.
Brand information
Manufacturer and brand details for Nutra-BRL, from the product label.
NutraMedix
See all NutraMedix products- Name
- NutraMedix
- City
- Jupiter
- State
- Florida
- ZipCode
- 33458
- Phone Number
- 561-745-2917
- Web Address
- www.nutramedix.com
Nutra-BRL by NutraMedix: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.
The Full Monographs Behind Nutra-BRL’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Stevia
Interacts with 259 drugsStevia is a plant-based, calorie-free sweetener that is widely used as a sugar alternative and is considered safe in normal food amounts by major regulators. Purified stevia extracts have a...
Read the full Stevia monograph → Herb & supplement monographBanderol
Interacts with 177 drugsBanderol is a Nutramedix-branded herbal extract made from the bark of the Amazonian tree Otoba parvifolia, most often promoted as part of alternative Lyme disease protocols. There is very li...
Read the full Banderol monograph → Herb & supplement monographCat's Claw
Interacts with 962 drugsCat's claw is a South American vine traditionally used for inflammation, joint pain, and immune support. Some small studies hint it may help with arthritis symptoms, but the overall evidence...
Read the full Cat's Claw monograph →Sources & How We Checked
Nutra-BRL'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 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.
Stevia 10 references
- Chan P, Xu DY, Liu JC, et al. The effect of stevioside on blood pressure and plasma catecholamines in spontaneously hypertensive rats. Life Sci 1998;63:1679-84. PubMed
- Melis MS. A crude extract of Stevia rebaudiana increases the renal plasma flow of normal and hypertensive rats. Braz J Med Biol Res 1996;29:669-75.
- Melis MS. Chronic administration of aqueous extract of Stevia rebaudiana in rats: renal effects. J Ethnopharmacol 1995;47:129-34. PubMed
- Melis MS, Sainati AR. Effect of calcium and verapamil on renal function of rats during treatment with stevioside. J Ethnopharmacol 1991;33:257-622. PubMed
- Hsieh MH, Chan P, Sue YM, et al. Efficacy and tolerability of oral stevioside in patients with mild essential hypertension: a two-year, randomized, placebo-controlled study. Clin Ther 2003;25:2797-808. PubMed
- Chan P, Tomlinson B, Chen YJ, et al. A double-blind placebo-controlled study of the effectiveness and tolerability of oral stevioside in human hypertension. Br J Clin Pharmacol 2000;50:215-20. PubMed
- Gregersen S, Jeppesen PB, Holst JJ, Hermansen K. Antihyperglycemic effects of stevioside in type 2 diabetic subjects. Metabolism 2004;53:73-6. PubMed
- Barriocanal LA, Palacios M, Benitez G, et al. Apparent lack of pharmacological effect of steviol glycosides used as sweeteners in humans. A pilot study of repeated exposures in some normotensive and hypotensive individuals and in Type 1 and Type 2 diabeti
- Ferri LA, Alves-Do-Prado W, Yamada SS, et al. Investigation of the antihypertensive effect of oral crude stevioside in patients with mild essential hypertension. Phytother Res 2006;20:732-6. PubMed
- Almiron-Roig E, Navas-Carretero S, Castelnuovo G, et al. Impact of acute consumption of beverages containing plant-based or alternative sweetener blends on postprandial appetite, food intake, metabolism, and gastro-intestinal symptoms: Results of the SWEE
Banderol 3 references
Cat's Claw 16 references
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
- Budzinski JW, Foster BC, Vandenhoek S, Arnason JT. An in vitro evaluation of human cytochrome P450 3A4 inhibition by selected commercial herbal extracts and tinctures. Phytomedicine 2000;7:273-82. PubMed
- Sandoval M, Charbonnet RM, Okuhama NN, et al. Cat's claw inhibits TNFalpha production and scavenges free radicals: role in cytoprotection. Free Radic Biol Med 2000;29:71-78.
- Müller AC, Kanfer I. Potential pharmacokinetic interactions between antiretrovirals and medicinal plants used as complementary and African traditional medicines. Biopharm Drug Dispos. 2011;32(8):458-70. PubMed
- Sheng, Y., Bryngelsson, C., and Pero, R. W. Enhanced DNA repair, immune function and reduced toxicity of C-MED-100, a novel aqueous extract from Uncaria tomentosa. J Ethnopharmacol. 2000;69(2):115-126. PubMed
- Lamm, S., Sheng, Y., and Pero, R. W. Persistent response to pneumococcal vaccine in individuals supplemented with a novel water soluble extract of Uncaria tomentosa, C-Med-100. Phytomedicine 2001;8(4):267-274.
- Sheng, Y., Li, L., Holmgren, K., and Pero, R. W. DNA repair enhancement of aqueous extracts of Uncaria tomentosa in a human volunteer study. Phytomedicine 2001;8(4):275-282.
- Chen, C. X., Jin, R. M., Li, Y. K., Zhong, J., Yue, L., Chen, S. C., and Zhou, J. Y. Inhibitory effect of rhynchophylline on platelet aggregation and thrombosis. Zhongguo Yao Li Xue.Bao. 1992;13(2):126-130.
- Flythe, J. E., Rueda, J. F., Riscoe, M. K., and Watnick, S. Silicate nephrolithiasis after ingestion of supplements containing silica dioxide. Am.J.Kidney Dis. 2009;54(1):127-130. PubMed
- Zhou, J. and Zhou, S. Antihypertensive and neuroprotective activities of rhynchophylline: the role of rhynchophylline in neurotransmission and ion channel activity. J.Ethnopharmacol. 10-28-2010;132(1):15-27. PubMed
- Zhou, J. Y. and Zhou, S. W. Isorhynchophylline: A plant alkaloid with therapeutic potential for cardiovascular and central nervous system diseases. Fitoterapia 2012;83(4):617-626. PubMed
- Hemingway, S. R. and Phillipson, J. D. Proceedings: Alkaloids from S. American species of Uncaria (Rubiaceae). J.Pharm.Pharmacol. 1974;26 Suppl:113P.
- Hilepo, J. N., Bellucci, A. G., and Mossey, R. T. Acute renal failure caused by 'cat's claw' herbal remedy in a patient with systemic lupus erythematosus. Nephron 1997;77(3):361. PubMed
- De Paula LCL, Fonseca F, Perazzo F, et al. Uncaria tomentosa (cat's claw) improves quality of life in patients with advanced solid tumors. J Altern Complement Med. 2015;21(1):22-30.
- Portalatin G, Shettigar S, Carrion-Rodriguez A, et al. Ketogenic-Diet Shake Containing Uncaria tomentosa-Associated Acute Interstitial Nephritis. Case Rep Nephrol Dial 2022;12(3):219-225.
- Lei S, Guo A, Lu J, et al. Activation of PXR causes drug interactions with Paxlovid in transgenic mice. Acta Pharm Sin B 2023;13(11):4502-4510. 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