Project Density Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Project Density 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
Project Density is a dietary supplement by Anabolic Warfare with 2 active ingredients. Its ingredients are commonly taken for flavoring and culinary use, digestive complaints like bloating and indigestion, boosting absorption of other supplements.Based on those ingredients, 1,020 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Bioperine, Smilax. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Project Density by Anabolic Warfare
Ask about any prescription or over-the-counter medication and we check it for interactions with Project Density by Anabolic Warfare — 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 Project Density by Anabolic Warfare
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 capsule has two active ingredients. Bioperine is a black pepper extract, and its key constituent is piperine, which is the part linked to the interactions above.
Smilax is sarsaparilla root. The label also lists inactive ingredients: titanium dioxide, FD&C Blue #1, microcrystalline cellulose, and magnesium stearate.
These are fillers and binders that help form and color the capsule, and they are not the active components.
Does it work?
Not established
For black pepper (Bioperine), the evidence for every condition we rate is insufficient reliable evidence to rate. That covers allergic rhinitis (hay fever), asthma, athletic performance, headache, depression, and diarrhea.
For sarsaparilla (Smilax), the evidence is also insufficient reliable evidence to rate for cancer, psoriasis, and rheumatoid arthritis. In short, the research we hold does not establish that either ingredient works for any of these uses.
How safe is it?
Well-documented data
Black pepper is generally well tolerated in food amounts, and oral single doses also appear well tolerated in the data we hold. The most common side effects are a burning aftertaste, indigestion (dyspepsia), and reduced taste perception.
Rare serious reactions can include an allergic reaction in sensitive people, and one case report describes a toddler reacting to a sauce containing black pepper and cayenne. Our safety notes say concentrated piperine supplements should be used more cautiously than food amounts, because their safety is not well studied.
For sarsaparilla, human safety data for supplement doses is limited. In occupational settings, root dust has been linked to rhinitis and asthma-like symptoms.
Our safety notes say there is not enough safety information for pregnancy or breastfeeding, so please talk those through with your own healthcare provider.
Meds to double-check
Moderate interaction found
Medication types to double-check before taking this product, all rated Moderate, include propranolol, nevirapine, rifampin, phenytoin, cyclosporine, pentobarbital, atorvastatin, theophylline, lithium, and digoxin. Use the search tool on this page to look up your exact medication, and confirm with your own doctor or pharmacist before combining them.
The bottom line
Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.
This product may be of interest to adults looking at a black pepper and sarsaparilla supplement, but the evidence for its uses is not established in the data we hold. If you take any prescription medication, especially propranolol, nevirapine, rifampin, phenytoin, cyclosporine, pentobarbital, atorvastatin, theophylline, lithium, or digoxin, you should be careful and review it with your own doctor or pharmacist before starting.
If you are pregnant, breastfeeding, or have a sensitivity to black pepper, please talk with your own healthcare provider first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2024.
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 Project Density, straight from the product label.
| Brand | Anabolic Warfare |
|---|---|
| Barcode (UPC) | 812575035000 |
| Net contents | 60 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jul 25, 2024 |
| DSLD ID | 307032 |
| Product type | 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 Project Density by Anabolic Warfare, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Bioperine | 5 mg | -- |
| Smilax | 500 mg | -- |
Other ingredients: Titanium Dioxide, FD&C Blue #1, Microcrystalline Cellulose, Magnesium Stearate
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
Suggested Use: Take 1 capsule daily with 8-12 fl. oz. of water.
Formulation
Benefits: Project Density helps manage healthy cortisol levels. Supports muscle gains, power, strength, protein synthesis and muscle recovery.
Project Muscle Series Manage healthy cortisol levels Increase protein synthesis Promote muscle definition & strength
Formula
5 mg Of BioPerine increases the bio-availability of nutrients and supports the absorption of whole foods and supplements.
Precautions
Warning: Not intended for anyone under the age of 18. Keep out of reach of children.
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.
Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food
Manufactured in a facility which processes milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soybeans, and sesame.
Storage
Store in a cool, dry & dark place.
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.
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
cGMP Good Manufacturing Practices Inspected Facility
Brand IP Statement(s)
BioPerine is a registered trademark of Sabinsa Corporation.
General Statements
Facebook Facebook.com/anabolicwarefare Instagram @anabolicwarfare
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Project Density by Anabolic Warfare 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 Project Density by Anabolic Warfare
These are the 2 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule 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.
Bioperine
Interacts with1,020 drugs
Black pepper is a common kitchen spice that is generally safe in the amounts used in food. Its extract, piperine, is mostly added to supplements to he...
Bioperine monograph & interactionsSmilax
Interacts with2 drugs
Sarsaparilla is a traditional root used in teas, tonics, and old-fashioned root beer flavoring. Modern evidence for its health claims is very limited...
Smilax monograph & interactionsOther (inactive) ingredients: Titanium Dioxide, FD&C Blue #1, Microcrystalline Cellulose, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
Project Density by Anabolic Warfare Drug Interactions
HelloPharmacist Interaction Report
Project Density from Anabolic Warfare can interact with several medications, through its two active ingredients: Bioperine (black pepper, providing piperine) and Smilax (sarsaparilla).
The highest severity we list for this product is Moderate, and the main concern is that black pepper's piperine may raise blood levels of certain drugs.
Read the full breakdown — every affected drug type, severity by severity
The black pepper interactions are all rated Moderate and involve propranolol (a heart and blood pressure drug), nevirapine (an HIV medication), rifampin (an antibiotic), phenytoin (an anti-seizure drug), cyclosporine (an immune-suppressing drug), pentobarbital (a sedative), atorvastatin (a cholesterol-lowering statin), and theophylline (a breathing medication). In most cases the effect is that piperine may increase absorption or slow how quickly the drug leaves your body.
For cyclosporine and pentobarbital, the evidence comes mainly from lab or animal research.
Smilax (sarsaparilla) also carries Moderate interactions with lithium (a mood-stabilizing drug) and digoxin (a heart medication). Sarsaparilla is thought to have diuretic (water-pill) effects, which may raise lithium levels or cause potassium loss that could affect digoxin.
Altogether, these interactions span 1,021 individual medications.
We hold no interaction data for some ingredients on this label, so we could not check them. Please search your exact medications with the search tool on this page, and talk with your own doctor or pharmacist before combining this product with any prescription.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Project Density?
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 Project Density interact with 1,020 drugs. Click any drug to see the details.
2 of the 2 ingredients in Project Density interact with drugs. Each result below shows which ingredient is responsible. Bioperine Smilax
CangrelorKengreal
How Cangrelor interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black pepper might increase the risk of bleeding when taken with antiplatelet or anticoagulant drugs.
Read the full Bioperine + Cangrelor interactionCannabidiol (prescription Drug)Epidiolex
How Cannabidiol (prescription Drug) interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Cannabidiol (prescription Drug) interactionCapivasertibTruqap
How Capivasertib interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Capivasertib interactionCapmatinib HydrochlorideTabrecta
How Capmatinib Hydrochloride interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Capmatinib Hydrochloride interactionCarbamazepineCarbatrol, Carnexiv, Equetro, Tegretol, Tegretol XR
How Carbamazepine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCarbamazepine (tegretol), Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase blood levels of carbamazepine, potentially increasing the effects and side effects of carbamazepine.
Read the full Bioperine + Carbamazepine interactionCarbetapentane Tannate, Chlorpheniramine TannateTussi-12
How Carbetapentane Tannate, Chlorpheniramine Tannate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Carbetapentane Tannate, Chlorpheniramine Tannate interactionCarbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine TannateQuadratuss, Ry Tuss, Rynatuss, Tri Tannate Plus
How Carbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine Tannate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Carbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine Tannate interactionCarbetapentane, Chlorpheniramine, PhenylephrineRicotuss
How Carbetapentane, Chlorpheniramine, Phenylephrine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Carbetapentane, Chlorpheniramine, Phenylephrine interactionCarbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium GuaiacolsulfonateCophene-X
How Carbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium Guaiacolsulfonate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Carbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium Guaiacolsulfonate interactionCariprazine HydrochlorideVraylar
How Cariprazine Hydrochloride interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Cariprazine Hydrochloride interactionCarvedilolCoreg, Coreg CR
How Carvedilol interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP2D6.
Read the full Bioperine + Carvedilol interactionCelecoxib, TramadolSeglentis
How Celecoxib, Tramadol interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 2d6 (cyp2d6) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP2D6.
Read the full Bioperine + Celecoxib, Tramadol interactionCeliprololCelicard
How Celiprolol interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineP-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of P-glycoprotein substrates.
Read the full Bioperine + Celiprolol interactionCevimelineEvoxac
How Cevimeline interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Cevimeline interactionChlorpheniramineChlor-Trimeton, Teldrin
How Chlorpheniramine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine interactionChlorpheniramine Maleate, Dextromethorphan HydrobromideCoricidin HBP Cough & Cold, Coricidin II Cough & Cold, Pediatric Vicks Formula 44m Cough & Cold Relief
How Chlorpheniramine Maleate, Dextromethorphan Hydrobromide interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 2d6 (cyp2d6) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP2D6.
Read the full Bioperine + Chlorpheniramine Maleate, Dextromethorphan Hydrobromide interactionChlorpheniramine Maleate, Hydrocodone BitartrateVituz
How Chlorpheniramine Maleate, Hydrocodone Bitartrate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine Maleate, Hydrocodone Bitartrate interactionChlorpheniramine Polistirex, Codeine PolistirexTuzistra XR
How Chlorpheniramine Polistirex, Codeine Polistirex interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 2d6 (cyp2d6) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP2D6.
Read the full Bioperine + Chlorpheniramine Polistirex, Codeine Polistirex interactionChlorpheniramine Tannate, Phenylephrine TannateRicobid
How Chlorpheniramine Tannate, Phenylephrine Tannate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine Tannate, Phenylephrine Tannate interactionChlorpheniramine Tannate, Phenylephrine Tannate, Pyrilamine TannateHistatan, R Tannamine, R-Tannate, Rhinatate, Tri Tannate, Triotann +1 more
How Chlorpheniramine Tannate, Phenylephrine Tannate, Pyrilamine Tannate interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine Tannate, Phenylephrine Tannate, Pyrilamine Tannate interactionChlorpheniramine, Hydrocodone, PseudoephedrineTussend
How Chlorpheniramine, Hydrocodone, Pseudoephedrine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Hydrocodone, Pseudoephedrine interactionChlorpheniramine, MethscopolamineAllerx
How Chlorpheniramine, Methscopolamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Methscopolamine interactionChlorpheniramine, Methscopolamine, PhenylephrineAH Chew, DA, DA II, Dallergy, Dallergy ER, Dura Vent DA +9 more
How Chlorpheniramine, Methscopolamine, Phenylephrine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Methscopolamine, Phenylephrine interactionChlorpheniramine, Methscopolamine, PhenylpropanolaminePannaz
How Chlorpheniramine, Methscopolamine, Phenylpropanolamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Methscopolamine, Phenylpropanolamine interactionChlorpheniramine, Methscopolamine, PseudoephedrineMescolor, Rescon-Mx, Xiral
How Chlorpheniramine, Methscopolamine, Pseudoephedrine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Methscopolamine, Pseudoephedrine interactionChlorpheniramine, Phenindamine, PhenylpropanolamineNolamine
How Chlorpheniramine, Phenindamine, Phenylpropanolamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Phenindamine, Phenylpropanolamine interactionChlorpheniramine, PhenylephrineDallergy JR, Ed A Hist, Histatab Plus, Rynatan
How Chlorpheniramine, Phenylephrine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Phenylephrine interactionChlorpheniramine, Phenylephrine, PhenylpropanolamineRutuss
How Chlorpheniramine, Phenylephrine, Phenylpropanolamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Phenylephrine, Phenylpropanolamine interactionChlorpheniramine, Phenylephrine, Phenylpropanolamine, PhenyltoloxamineDe Con, Decongest, Naldecon, Nalspan SR, Tri Phen Mine Sr, Uni Decon +1 more
How Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Phenyltoloxamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Phenyltoloxamine interactionChlorpheniramine, Phenylephrine, Phenylpropanolamine, PyrilamineHistalet Forte, Poly Hist Forte, Vanex Forte
How Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Pyrilamine interacts with Project Density — through 1 ingredient. Tap an ingredient for the detail:
BioperineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
Read the full Bioperine + Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Pyrilamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Project Density 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.
Bioperine
Anticoagulant/Antiplatelet Drugs
Theoretically, black pepper might increase the risk of bleeding when taken with antiplatelet or anticoagulant drugs.
In vitro research shows that piperine, a constituent of black pepper, seems to inhibit platelet aggregation. This has not been reported in humans.
Antidiabetes Drugs
Theoretically, black pepper might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research shows that piperine, a constituent of black pepper, can reduce blood glucose levels. Monitor blood glucose levels closely. Dose adjustments might be necessary.
Atorvastatin (Lipitor)
Theoretically, black pepper might increase blood levels of atorvastatin.
Animal research shows that taking piperine, a constituent of black pepper, 35 mg/kg can increase the maximum serum concentration of atorvastatin three-fold. This has not been reported in humans.
Cyclosporine (Neoral, Sandimmune)
Theoretically, black pepper might increase the effects and side effects of cyclosporine.
In vitro research shows that piperine, a constituent of black pepper, increases the bioavailability of cyclosporine. This has not been reported in humans.
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, black pepper might increase levels of drugs metabolized by CYP2D6.
In vitro research suggests that some constituents of black pepper inhibit CYP2D6. This has not been reported in humans.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, black pepper might increase levels of drugs metabolized by CYP3A4.
In vitro research and pharmacokinetic simulation data suggest that piperine, a constituent of black pepper, as well as the pepper fruit seem to inhibit CYP3A4. This has not been reported in humans.
Lithium
Theoretically, black pepper might increase blood levels of lithium due to its diuretic effects. The dose of lithium might need to be reduced.
Black pepper is thought to have diuretic properties.
Nevirapine (Viramune)
Black pepper might increase blood levels of nevirapine.
Clinical research shows that piperine, a constituent of black pepper, increases the plasma concentration of nevirapine. However, no adverse effects were observed in this study.
P-Glycoprotein Substrates
Theoretically, black pepper might increase levels of P-glycoprotein substrates.
In vitro research shows that piperine, a constituent of black pepper, seems to inhibit P-glycoprotein.
Pentobarbital (Nembutal)
Theoretically, black pepper might increase the sedative effects of pentobarbital.
Animal research shows that piperine, a constituent of black pepper, increases pentobarbital-induced sleeping time.
Phenytoin (Dilantin)
Black pepper might increase blood levels of phenytoin.
Clinical research shows that piperine, a constituent of black pepper, seems to increase absorption, slow elimination, and increase levels of phenytoin. Taking a single dose of black pepper 1 gram along with phenytoin seems to double the serum concentration of phenytoin. Consuming a soup with black pepper providing piperine 44 mg/200 mL of soup along with phenytoin also seems to increase phenytoin levels when compared with consuming the same soup without black pepper.
Propranolol (Inderal)
Black pepper might increase blood levels of propranolol.
Clinical research shows that piperine, a constituent of black pepper, seems to increase absorption and slow elimination of propranolol.
Rifampin (Rifadin)
Black pepper might increase blood levels of rifampin.
Clinical research shows that piperine, a constituent of black pepper, seems to increase absorption and serum levels of rifampin.
Theophylline
Black pepper might increase blood levels of theophylline.
Clinical research shows that piperine, a constituent of black pepper, seems to increase absorption and slow elimination of theophylline.
Amoxicillin (Amoxil, Trimox)
Theoretically, black pepper might increase the effects and side effects of amoxicillin.
Animal research shows that taking piperine, a constituent of black pepper, with amoxicillin increases plasma levels of amoxicillin. This has not been reported in humans.
Carbamazepine (Tegretol)
Theoretically, black pepper might increase blood levels of carbamazepine, potentially increasing the effects and side effects of carbamazepine.
One clinical study in patients taking carbamazepine 300 mg or 500 mg twice daily shows that taking a single 20 mg dose of purified piperine, a constituent of black pepper, increases carbamazepine levels. Piperine may increase carbamazepine absorption by increasing blood flow to the GI tract, increasing the surface area of the small intestine, or inhibiting cytochrome P450 3A4 (CYP3A4) in the gut wall. Absorption was significantly increased by 7-10 mcg/mL/hour. The time to eliminate carbamazepine was also increased by 4-8 hours. Although carbamazepine levels were increased, this did not appear to increase side effects. In vitro research also shows that piperine can increase carbamazepine levels by 11% in a time-dependent manner.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, black pepper might decrease levels and clinical effects of drugs metabolized by CYP1A2.
In vitro research suggests that black pepper induces CYP1A2. This has not been reported in humans.
Smilax
Digoxin (Lanoxin)
Theoretically, concomitant use of sarsaparilla with digoxin might increase the risk of cardiac toxicity.
Sarsaparilla is thought to have diuretic properties, which could potentially cause potassium loss. Overuse or misuse of sarsaparilla with cardiac glycoside therapy might increase the risk of cardiac toxicity due to potassium loss.
Lithium
Theoretically, sarsaparilla might increase the effects and adverse effects of lithium.
Sarsaparilla is thought to have diuretic properties. Due to these effects, sarsaparilla might reduce excretion and increase levels of lithium. The dose of lithium might need to be decreased.
Brand information
Manufacturer and brand details for Project Density, from the product label.
Anabolic Warfare
See all Anabolic Warfare products- Name
- Anabolic Warfare
- City
- Austin
- State
- TX
- Phone Number
- 888-301-4002
- Web Address
- anabolicwarfare.com
Project Density by Anabolic Warfare: Common Questions
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What side effects does the black pepper ingredient cause?
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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 Project Density’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Black Pepper
Interacts with 1,020 drugsBlack pepper is a common kitchen spice that is generally safe in the amounts used in food. Its extract, piperine, is mostly added to supplements to help the body absorb other ingredients (li...
Read the full Black Pepper monograph → Herb & supplement monographSarsaparilla
Interacts with 2 drugsSarsaparilla is a traditional root used in teas, tonics, and old-fashioned root beer flavoring. Modern evidence for its health claims is very limited and comes mostly from lab studies, so it...
Read the full Sarsaparilla monograph →Sources & How We Checked
Project Density'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 32 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.
Black Pepper 29 references
- Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
- Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
- Bano G, Amla V, Raina RK, et al. The effect of piperine on pharmacokinetics of phenytoin in healthy volunteers. Planta Med 1987;53:568-9. PubMed
- Bano G, et al. Effect of piperine on bioavailability and pharmacokinetics of propranolol and theophylline in healthy volunteers. Eur J Clin Pharmacol 1991;41;615-7. PubMed
- Cohle SD, Trestrail JD III, Graham MA, et al. Fatal pepper aspiration. Am J Dis Child 1988;142:633-6. PubMed
- Bhardwaj RK, Glaeser H, Becquemont L, et al. Piperine, a major constituent of black pepper, inhibits human P-glycoprotein and CYP3A4. J Pharmacol Exp Ther 2002;302:645-50. PubMed
- Velpandian T, Jasuja R, Bhardwaj RK, et al. Piperine in food: interference in the pharmacokinetics of phenytoin. Eur J Drug Metab Pharmacokinet 2001;26:241-7. PubMed
- Pattanaik S, Hota D, Prabhakar S, et al. Pharmacokinetic interaction of a single dose of piperine with steady-state carbamazepine in epilepsy patients. Phytother Res 2009;23:1281-6.
- Munakata, M., Kobayashi, K., Niisato-Nezu, J., Tanaka, S., Kakisaka, Y., Ebihara, T., Ebihara, S., Haginoya, K., Tsuchiya, S., and Onuma, A. Olfactory stimulation using black pepper oil facilitates oral feeding in pediatric patients receiving long-term en
- Myers, B. M., Smith, J. L., and Graham, D. Y. Effect of red pepper and black pepper on the stomach. Am J Gastroenterol 1987;82(3):211-214.
- Raghavendra, R. H. and Naidu, K. A. Spice active principles as the inhibitors of human platelet aggregation and thromboxane biosynthesis. Prostaglandins Leukot.Essent.Fatty Acids 2009;81(1):73-78. PubMed
- Subehan, Usia, T., Kadota, S., and Tezuka, Y. Mechanism-based inhibition of human liver microsomal cytochrome P450 2D6 (CYP2D6) by alkamides of Piper nigrum. Planta Med 2006;72(6):527-532.
- Kasibhatta, R. and Naidu, M. U. Influence of piperine on the pharmacokinetics of nevirapine under fasting conditions: a randomised, crossover, placebo-controlled study. Drugs R.D. 2007;8(6):383-391. PubMed
- Usia, T., Iwata, H., Hiratsuka, A., Watabe, T., Kadota, S., and Tezuka, Y. CYP3A4 and CYP2D6 inhibitory activities of Indonesian medicinal plants. Phytomedicine. 2006;13(1-2):67-73. PubMed
- Mujumdar, A. M., Dhuley, J. N., Deshmukh, V. K., Raman, P. H., Thorat, S. L., and Naik, S. R. Effect of piperine on pentobarbitone induced hypnosis in rats. Indian J Exp.Biol. 1990;28(5):486-487.
- Panda, S. and Kar, A. Piperine lowers the serum concentrations of thyroid hormones, glucose and hepatic 5'D activity in adult male mice. Horm.Metab Res. 2003;35(9):523-526. PubMed
- Lawless, H. and Stevens, D. A. Effects of oral chemical irritation on taste. Physiol Behav. 1984;32(6):995-998. PubMed
- Hiwale, A. R., Dhuley, J. N., and Naik, S. R. Effect of co-administration of piperine on pharmacokinetics of beta-lactam antibiotics in rats. Indian J Exp.Biol. 2002;40(3):277-281.
- Han, Y., Chin Tan, T. M., and Lim, L. Y. In vitro and in vivo evaluation of the effects of piperine on P-gp function and expression. Toxicol.Appl.Pharmacol. 8-1-2008;230(3):283-289. PubMed
- Sharma, P., Varma, M. V., Chawla, H. P., and Panchagnula, R. In situ and in vivo efficacy of peroral absorption enhancers in rats and correlation to in vitro mechanistic studies. Farmaco 2005;60(11-12):874-883. PubMed
- Aher, S., Biradar, S., Gopu, C. L., and Paradkar, A. Novel pepper extract for enhanced P-glycoprotein inhibition. J Pharm.Pharmacol. 2009;61(9):1179-1186. PubMed
- Zutshi, R. K., Singh, R., Zutshi, U., Johri, R. K., and Atal, C. K. Influence of piperine on rifampicin blood levels in patients of pulmonary tuberculosis. J Assoc.Physicians India 1985;33(3):223-224.
- Marotta, R. B. and Floch, M. H. Diet and nutrition in ulcer disease. Med Clin North Am 1991;75(4):967-979. PubMed
- Subehan, Usia, T., Iwata, H., Kadota, S., and Tezuka, Y. Mechanism-based inhibition of CYP3A4 and CYP2D6 by Indonesian medicinal plants. J Ethnopharmacol. 5-24-2006;105(3):449-455. PubMed
- Gimenez L, Zacharisen M. Severe pepper allergy in a young child. WMJ. 2011 Jun;110(3):138-9.
- Ren T, Yang M, Xiao M, Zhu J, Xie W, Zuo Z. Time-dependent inhibition of carbamazepine metabolism by piperine in anti-epileptic treatment. Life Sci. 2019;218:314-323. PubMed
- Thomas AB, Choudhary DC, Raje A, Nagrik SS. Pharmacokinetics and pharmacodynamic herb-drug interaction of piperine with atorvastatin in rats. J Chromatogr Sci 2021;59(4):371-80. PubMed
- Haron MH, Dale O, Martin K, et al. Evaluation of the Herb-Drug Interaction Potential of Commonly Used Botanicals on the US Market with Regard to PXR- and AhR-Mediated Influences on CYP3A4 and CYP1A2. J Diet Suppl 2022. PubMed
- Lin F, Hu Y, Zhang Y, Zhao L, Zhong D, Liu J. Predicting Food-Drug Interactions between Piperine and CYP3A4 Substrate Drugs Using PBPK Modeling. Int J Mol Sci 2024;25(20):10955. PubMed
Sarsaparilla 3 references
- Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
- Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
- Vandenplas O, Depelchin S, Toussaint G, et al. Occupational asthma caused by sarsaparilla root dust. J Allergy Clin Immunol 1996;97:1416-8. 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