Natural Chewable Papaya Enzyme Ingredients & Drug Interactions
by Rugby
What is this page for?
First and foremost: checking Natural Chewable Papaya Enzyme 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
Natural Chewable Papaya Enzyme is a dietary supplement by Rugby with 5 active ingredients. Its ingredients are commonly taken for digestive support for protein digestion, wound cleaning (debridement of dead tissue), sore throat and inflammation.Based on those ingredients, 92 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Papaya, Papain. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Natural Chewable Papaya Enzyme by Rugby
Ask about any prescription or over-the-counter medication and we check it for interactions with Natural Chewable Papaya Enzyme by Rugby — 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 Natural Chewable Papaya Enzyme by Rugby
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 4 ingredients: three active enzymes (amylase, papain, and protease) plus papaya extract. Papain and protease are proteolytic enzymes—they break down protein.
Amylase breaks down starch. These enzymes are meant to aid digestion.
The product also contains inactive ingredients including dextrose, sucrose, natural and artificial flavor, silicon dioxide, yellow #6, and magnesium stearate.
Does it work?
Not established
The evidence we hold doesn't establish effectiveness for papain. Papain is rated as having insufficient reliable evidence for cancer, dental caries, radiation skin damage, exercise-induced muscle soreness, shingles, and intestinal parasites.
Similarly, papaya is rated as having insufficient reliable evidence for aging skin, hair loss, several cancers, and diabetes. We hold no effectiveness ratings for protease.
If digestive enzyme support is your goal, talk with us about whether this product is right for you.
How safe is it?
Well-documented data
Papain and papaya are generally well tolerated when used at appropriate doses, though papain supplements may irritate your digestive tract and cause allergic reactions in sensitive people—including itchy watery eyes, runny nose, sneezing, abdominal cramps, sweating, and diarrhea. At high doses, papain may cause serious effects like esophageal perforation and severe gastritis, though these are rare.
The facts advise against papain and unripe papaya in pregnancy due to safety concerns. While breastfeeding, there isn't enough reliable safety information for papain or papaya supplements, so medical advice is best.
Protease is generally well tolerated for most adults but may cause digestive upset or allergic reactions; safety hasn't been established in pregnancy.
Meds to double-check
Moderate interaction found
Check before taking this if you use warfarin or other blood thinners, antidiabetes drugs, amiodarone, or levothyroxine. All of these have documented Moderate interactions with papain or papaya extract in this product.
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 is for people looking for digestive enzyme support. If you take warfarin, antidiabetes drugs, amiodarone, or levothyroxine, you should check your exact medications before starting it—the interactions are real and potentially serious.
If you're pregnant or breastfeeding, or if you have a latex allergy (papaya sensitivity can overlap), talk with your pharmacist first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 25, 2019.
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 Natural Chewable Papaya Enzyme, straight from the product label.
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Natural Chewable Papaya Enzyme by Rugby, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calories | 8 Calorie(s) | -- |
| Total Carbohydrates | 2 Gram(s) | 1% |
| Sugar | 2 Gram(s) | -- |
| Amylase | 200 mcg | -- |
| Papain | 40 mg | -- |
| Protease | 4 mg | -- |
| Papaya | 40 mg | -- |
Other ingredients: Dextrose, Sucrose, Natural & Artificial flavor, Silicon Dioxide, Yellow #6, 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.
FDA Statement of Identity
Dietary Supplement
Precautions
Tamper resistant - Do not use if imprinted safety seal under cap is broken or missing
Keep out of reach of children
Suggested/Recommended/Usage/Directions
Directions: Adults: Chew four tablets daily, preferably with a meal.
Formulation
Free of: Sodium, animal by-products, preservatives.
Storage
To preserve quality and freshness, keep bottle tightly closed. Store between 15(0)-30(0)C (59(0)-86(0)F).
General Statements
100
General
Rev. 08/16 R-92 Re-order No. 370341
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Natural Chewable Papaya Enzyme by Rugby 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 Natural Chewable Papaya Enzyme by Rugby
These are the 5 active ingredients this product is made of. Select any to open its full monograph.
Serving size4 Tablet(s) Dosage formTablet Or Pill Servings per container25 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.
Sugar
Amylase
Papain
Interacts with2 drugs
Papain is a protein-digesting enzyme from the papaya plant that is used in digestive supplements and some topical products. While it has clear food an...
Papain monograph & interactionsProtease
No knowninteractions
Proteolytic enzymes are proteins that help break down other proteins, and common examples include bromelain (from pineapple), papain (from papaya), tr...
Protease monograph & interactionsPapaya
Interacts with92 drugs
Papaya is a tropical fruit that is nutritious and generally safe to eat as food, and it contains an enzyme called papain used as a digestive aid and m...
Papaya monograph & interactionsOther (inactive) ingredients: Dextrose, Sucrose, Natural & Artificial flavor, Silicon Dioxide, Yellow #6, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
Natural Chewable Papaya Enzyme by Rugby Drug Interactions
HelloPharmacist Interaction Report
Rugby's Natural Chewable Papaya Enzyme contains papain and papaya extract, both of which interact with medications.
The most serious concern is warfarin (a blood thinner): papain may increase warfarin's effects and side effects. One patient stable on warfarin developed dangerously high blood levels (an INR of 7.4) after taking a papain-containing supplement.
Read the full breakdown — every affected drug type, severity by severity
Papaya extract also interacts with antidiabetes drugs—fermented papaya may add to their blood-sugar-lowering effect, though it's unclear whether other papaya forms do the same. Theoretically, papaya extract may increase amiodarone (a heart rhythm medication) levels and effects.
Large amounts of papaya may also reduce levothyroxine (thyroid hormone replacement) effectiveness; one patient on stable levothyroxine developed low thyroid levels after eating 5–6 papaya fruits daily for two weeks.
Altogether, these interactions span 91 individual medications. We could not check amylase for interactions.
To see if your specific drugs are affected, use the search tool on this page.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Natural Chewable Papaya Enzyme?
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 Natural Chewable Papaya Enzyme interact with 92 drugs. Click any drug to see the details.
2 of the 5 ingredients in Natural Chewable Papaya Enzyme interact with drugs. Each result below shows which ingredient is responsible. Papaya Papain
AcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Acarbose interactionAcetohexamideDymelor
How Acetohexamide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Acetohexamide interactionAlbiglutideTanzeum
How Albiglutide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Albiglutide interactionAlogliptinNesina
How Alogliptin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Alogliptin interactionAlogliptin, MetforminKazano
How Alogliptin, Metformin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Alogliptin, Metformin interactionAlogliptin, PioglitazoneOseni
How Alogliptin, Pioglitazone interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Alogliptin, Pioglitazone interactionAmiodaroneCordarone, Pacerone
How Amiodarone interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAmiodarone (cordarone) Moderate
Interaction Summary
Theoretically, papaya extract may increase the levels and clinical effects of amiodarone.
Read the full Papaya + Amiodarone interactionAntidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi
How Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interactionCanagliflozinInvokana
How Canagliflozin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Canagliflozin interactionCanagliflozin, MetforminInvokamet
How Canagliflozin, Metformin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Canagliflozin, Metformin interactionCanagliflozin, Metformin HydrochlorideInvokamet XR
How Canagliflozin, Metformin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Canagliflozin, Metformin Hydrochloride interactionChlorpropamideChlorpropam, Diabinese
How Chlorpropamide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Chlorpropamide interactionDapagliflozinFarxiga
How Dapagliflozin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dapagliflozin interactionDapagliflozin Propanediol, MetforminXigduo XR
How Dapagliflozin Propanediol, Metformin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dapagliflozin Propanediol, Metformin interactionDapagliflozin Propanediol, Saxagliptin HydrochlorideQtern
How Dapagliflozin Propanediol, Saxagliptin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dapagliflozin Propanediol, Saxagliptin Hydrochloride interactionDapagliflozin, Metformin Hydrochloride, Saxagliptin HydrochlorideQternmet XR
How Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride interactionDasiglucagon HydrochlorideZegalogue
How Dasiglucagon Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dasiglucagon Hydrochloride interactionDulaglutideTrulicity
How Dulaglutide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Dulaglutide interactionEmpagliflozinJardiance
How Empagliflozin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Empagliflozin interactionEmpagliflozin, Linagliptin, Metformin HydrochlorideTrijardy XR
How Empagliflozin, Linagliptin, Metformin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Empagliflozin, Linagliptin, Metformin Hydrochloride interactionEmpagliflozin, MetforminSynjardy
How Empagliflozin, Metformin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Empagliflozin, Metformin interactionEmpagliflozin, Metformin HydrochlorideSynjardy XR
How Empagliflozin, Metformin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Empagliflozin, Metformin Hydrochloride interactionErtugliflozinSteglatro
How Ertugliflozin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Ertugliflozin interactionErtugliflozin, Metformin HydrochlorideSegluromet
How Ertugliflozin, Metformin Hydrochloride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Ertugliflozin, Metformin Hydrochloride interactionExenatideBydureon, Byetta
How Exenatide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Exenatide interactionExenatide SyntheticBydureon BCISE
How Exenatide Synthetic interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Exenatide Synthetic interactionGliclazideDiamicron
How Gliclazide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Gliclazide interactionGlimepirideAmaryl
How Glimepiride interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Glimepiride interactionGlipizideGlucotrol, Glucotrol XL
How Glipizide interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Glipizide interactionGlipizide, MetforminMetaglip
How Glipizide, Metformin interacts with Natural Chewable Papaya Enzyme — through 1 ingredient. Tap an ingredient for the detail:
PapayaAntidiabetes Drugs Moderate
Interaction Summary
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects.
Read the full Papaya + Glipizide, Metformin interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Natural Chewable Papaya Enzyme 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.
Papaya
Amiodarone (Cordarone)
Theoretically, papaya extract may increase the levels and clinical effects of amiodarone.
Animal research in rats shows that a single oral dose of papaya extract, as well as multiple doses of papaya extract daily over 14 days, prior to a single dose of amiodarone delays the time to maximum amiodarone concentration. However, only the 14-day papaya extract regimen increases systemic amiodarone exposure by 60% to 70%. This interaction has not been reported in humans.
Antidiabetes Drugs
Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects. It is unclear if other forms of papaya have the same effect.
A small low-quality clinical study in patients with type 2 diabetes who are taking glibenclamide shows that taking a fermented papaya preparation 3 grams daily for 2 months decreases fasting and postprandial blood glucose levels when compared to baseline. Additionally, of the 25 patients in the study, 9 required a reduction in glibenclamide dose.
Levothyroxine (Synthroid, Others)
Theoretically, consuming large quantities of papaya fruit can reduce the clinical effects of levothyroxine.
In one case-report, a 37-year-old male with a history of thyroidectomy who was stabilized on levothyroxine for 5 years presented with hypothyroidism after consuming 5-6 papaya fruits daily for 14 days during vacation. In a controlled re-challenge test involving 5-6 papayas daily, the patient remained euthyroid for 7 days, but developed mild hypothyroidism after 14 days. Both times, thyroid levels normalized 40-45 days after discontinuing papaya.
Warfarin (Coumadin)
Theoretically, concomitant use of warfarin with papain-containing papaya extract might increase the effects and side effects of warfarin.
In one case report, a patient previously stable on warfarin was found to have an international normalization ratio (INR) of 7.4, which was attributed to ingestion of a supplement containing papain from papaya extract.
Papain
Warfarin (Coumadin)
Theoretically, papain might increase the effects and side effects of warfarin.
In one case report, a patient previously stable on warfarin was found to have an international normalization ratio (INR) of 7.4, which was attributed to ingestion of a supplement containing papain from papaya extract.
Brand information
Manufacturer and brand details for Natural Chewable Papaya Enzyme, from the product label.
Rugby
See all Rugby products- Name
- Rugby Laboratories
- Street Address
- 17177 N Laurel Park Drive, Suite 233
- City
- Livonia
- State
- MI
- ZipCode
- 48152
- Phone Number
- 1-800-645-2158
- Web Address
- www.rugbylaboratories.com
Natural Chewable Papaya Enzyme by Rugby: Common Questions
Does Natural Chewable Papaya Enzyme by Rugby interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I'm on warfarin?
Will this help my digestion?
Are there any side effects I should know about?
Is this safe to take while pregnant?
Can I breastfeed while taking this?
I'm allergic to latex—should I worry?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Natural Chewable Papaya Enzyme 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 Natural Chewable Papaya Enzyme’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Papain
Interacts with 2 drugsPapain is a protein-digesting enzyme from the papaya plant that is used in digestive supplements and some topical products. While it has clear food and laboratory uses, strong human evidence...
Read the full Papain monograph → Herb & supplement monographProteolytic Enzymes (proteases)
Proteolytic enzymes are proteins that help break down other proteins, and common examples include bromelain (from pineapple), papain (from papaya), trypsin, chymotrypsin, and pancreatin. Peo...
Read the full Proteolytic Enzymes (proteases) monograph → Herb & supplement monographPapaya
Interacts with 92 drugsPapaya is a tropical fruit that is nutritious and generally safe to eat as food, and it contains an enzyme called papain used as a digestive aid and meat tenderizer. Papaya leaf extract is b...
Read the full Papaya monograph →Sources & How We Checked
Natural Chewable Papaya Enzyme'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 28 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.
Papain 11 references
- The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
- Shaw D, Leon C, Kolev S, Murray V. Traditional remedies and food supplements: a 5-year toxicological study (1991-1995). Drug Saf 1997;17:342-56.
- Shuttleworth D, Hill S, Marks R, Connelly DM. Relief of experimentally induced pruritus with a novel eutectic mixture of local anaesthetic agents. Br J Dermatol 1988;119:535-40.
- Mansfield LE, Ting S, Haverly RW, Yoo TJ. The incidence and clinical implications of hypersensitivity to papain in an allergic population, confirmed by blinded oral challenge. Ann Allergy 1985;55:541-3.
- Martin, T., Uhder, K., Kurek, R., Roeddiger, S., Schneider, L., Vogt, H. G., Heyd, R., and Zamboglou, N. Does prophylactic treatment with proteolytic enzymes reduce acute toxicity of adjuvant pelvic irradiation? Results of a double-blind randomized trial PubMed
- Walker-Renard, P. Update on the medicinal management of phytobezoars. Am J Gastroenterol. 1993;88(10):1663-1666.
- Tymoszuk D, Wiszniewska M, Walusiak-Skorupa J. Papain-induced occupational rhinoconjunctivitis and asthma - A case report. Med Pr 2016;67(1):109-12. PubMed
- Soto-Mera MT, López-Rico MR, Filgueira JF, et al. Occupational allergy to papain. Allergy 2000;55(10):983-4. PubMed
- Tarlo SM, Shaikh W, Bell B, et al. Papain-induced allergic reactions. Clin Allergy 1978;8(3):207-15. PubMed
- Baur X, König G, Bencze K, Fruhmann G. Clinical symptoms and results of skin test, RAST and bronchial provocation test in thirty-three papain workers: Evidence for strong immunogenic potency and clinically relevant proteolytic e?ects of airborne papain. C
- Novey HS, Keenan WJ, Fairshter RD, Wells ID, Wilson AF, Culver BD. Pulmonary disease in workers exposed to papain: clinico-physiological and immunological studies. Clin Allergy 1980;10(6):721-31. PubMed
Proteolytic Enzymes (proteases) 3 references
- Weeks JA, Harper RA, Simon RA, Burdick JD. Assessment of sensitization risk of a laundry pre-spotter containing protease. Cutan Ocul Toxicol. 2011;30(4):272-9. PubMed
- Marquès LI, Lara S, Abós T, Bartolomé B. Occupational rhinitis due to pepsin. J Investig Allergol Clin Immunol. 2006;16(2):136-7. DOI
- Cartier A, Malo JL, Pineau L, Dolovich J. Occupational asthma due to pepsin. J Allergy Clin Immunol. 1984;73(5 Pt 1):574-7. PubMed
See these in context on the Proteolytic Enzymes (proteases) monograph →
Papaya 14 references
- The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
- Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
- Shaw D, Leon C, Kolev S, Murray V. Traditional remedies and food supplements: a 5-year toxicological study (1991-1995). Drug Saf 1997;17:342-56.
- Mansfield LE, Ting S, Haverly RW, Yoo TJ. The incidence and clinical implications of hypersensitivity to papain in an allergic population, confirmed by blinded oral challenge. Ann Allergy 1985;55:541-3.
- Blanco C, Diaz-Perales A, Collada C, et al. Class I chitinases as potential panallergens involved in the latex-fruit syndrome. J Allergy Clin Immunol 1999;103(3 Pt 1):507-13. PubMed
- Diaz-Perales A, Collada C, Blanco C, et al. Cross-reactions in the latex-fruit syndrome: A relevant role of chitinases but not of complex asparagine-linked glycans. J Allergy Clin Immunol 1999;104:681-7. PubMed
- Castillo, R., Delgado, J., Quiralte, J., Blanco, C., and Carrillo, T. Food hypersensitivity among adult patients: epidemiological and clinical aspects. Allergol.Immunopathol.(Madr.) 1996;24(3):93-97.
- Oderinde, O., Noronha, C., Oremosu, A., Kusemiju, T., and Okanlawon, O. A. Abortifacient properties of aqueous extract of Carica papaya (Linn) seeds on female Sprague-Dawley rats. Niger.Postgrad.Med J 2002;9(2):95-98. DOI
- Danese, C., Esposito, D., D'Alfonso, V., Cirene, M., Ambrosino, M., and Colotto, M. Plasma glucose level decreases as collateral effect of fermented papaya preparation use. Clin Ter. 2006;157(3):195-198.
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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.
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