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Dietary supplement

Zygest Pineapple Bromelain Chewable Ingredients & Drug Interactions

by Vitamin World

Zygest Pineapple Bromelain Chewable label
See full label image
Tablet Or Pill Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Zygest Pineapple Bromelain Chewable against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Zygest Pineapple Bromelain Chewable is a dietary supplement by Vitamin World with 3 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, 141 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Bromelain, Papain. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Zygest Pineapple Bromelain Chewable by Vitamin World

Ask about any prescription or over-the-counter medication and we check it for interactions with Zygest Pineapple Bromelain Chewable by Vitamin World — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Zygest Pineapple Bromelain Chewable by Vitamin World

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.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • “Zygest Blend(R)” is a proprietary blend — the label gives one combined amount (100 mg) without saying how much of each component you get.

This product has two active ingredients: papain and bromelain, both digestive enzymes. Papain comes from papaya and bromelain from pineapple — they're proteases, meaning they break down proteins.

The product also contains inactive ingredients (fillers and flavoring) including dextrose and natural flavor.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

The label doesn't state a purpose we can grade — see each ingredient's own graded uses on its monograph instead.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence supporting either ingredient for any condition isn't established in our data. Both papain and bromelain carry ratings of insufficient reliable evidence for the conditions they're marketed for — cancer, exercise-induced muscle soreness, hay fever, burns, and others.

That doesn't mean they don't work; it means we don't yet have solid clinical proof they do.

The evidence, ingredient by ingredient Papain Bromelain

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Both papain and bromelain are generally well tolerated when taken by mouth at normal doses for short periods. The most common side effects are mild: diarrhea, gas, stomach upset, and headache from bromelain, and allergic reactions (itchy eyes, runny nose, sneezing) in people sensitive to papain.

At high doses, papain can cause serious problems like severe stomach inflammation or even esophageal perforation, though this is rare. People with papain or bromelain allergies — especially those with occupational exposure who've had respiratory reactions — should avoid these supplements entirely.

Bromelain should be avoided in pregnancy and while breastfeeding, as safety data is insufficient. Papain is best avoided in pregnancy (especially concentrated forms and unripe papaya products) due to safety concerns, and there isn't enough data to recommend it while breastfeeding.

Side effects, ingredient by ingredient Papain Bromelain

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Papain, Bromelain.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 141 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before you start, check if you're on warfarin (Coumadin) or other blood thinners and antiplatelet drugs — both ingredients may increase bleeding risk. If you take tetracycline antibiotics, bromelain might affect how your body absorbs them.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

If you take a blood thinner like warfarin or an antiplatelet drug like aspirin, check with your pharmacist before using this product — the interaction risk is real. If you have a papain or bromelain allergy, skip it.

If you're pregnant or breastfeeding, talk with your doctor or pharmacist first; the data isn't clear enough to say it's safe.

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 Apr 25, 2013.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Zygest Pineapple Bromelain Chewable, straight from the product label.

Brand Vitamin World
Barcode (UPC) 074312773501
Net contents 100 Delicious Chewable Tablet(s)
Market status On market
Date entered into DSLD Apr 25, 2013
DSLD ID 20550
Product type Non-nutrient/non-botanical
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Zygest Pineapple Bromelain Chewable by Vitamin World, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Tablet(s)
Maximum serving Sizes:
2 Tablet(s)
Servings per container
50
UPC/BARCODE
074312773501
IngredientAmount% DV
Calories5 {Calories}--
Total Carbohydrates1 g1%
Sugar1 g--
Papain20 mg--
Bromelain80 mg--
Zygest Blend(R)100 mg--

Other ingredients: Dextrose, Natural flavor, Contains <2% of

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Precautions

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

Storage

Store at room temperature.

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.

Brand IP Statement(s)

(C)2012 Vitamin World, Inc.

Derived from the stems of pineapple, Zygest(R) Bromelain is a natural digestive enzyme.* Digestive enzymes are responsible for breaking down food into different nutrients.* As a natural enzyme, Zygest(R) Bromelain helps digest protein in the gastrointestinal tract.*

General

PROD. #7350 B7350 05C

Seals/Symbols

V VITAMIN WORLD(R) get healthy.

QA QUALITY ASSURED

General Statements

Vitamin World products are subject to critically stringent quality assurance analysis. Our state-of-the-art laboratory, manufacturing and packaging facilities insure the highest quality nutritional supplements money can buy. Your health & safety are our first priority!

Natural Pineapple Enzyme Enzymatic Digestive Care*

Get healthy.

FDA Statement of Identity

Vegetarian Dietary Supplement

Suggested/Recommended/Usage/Directions

DIRECTIONS: For adults, chew one (1) or two (2) tablets with each meal.

Formulation

No Artificial Color, Flavor or Sweetener, No Preservatives, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

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

See for yourself

Zygest Pineapple Bromelain Chewable by Vitamin World label

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

Zygest Pineapple Bromelain Chewable label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Zygest Pineapple Bromelain Chewable by Vitamin World

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

Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container50 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

1 g per serving

Zygest Blend(R)

100 mg per serving

Other (inactive) ingredients: Dextrose, Natural flavor, Contains <2% of. These complete the product’s ingredient list but are not active constituents.

Interaction report

Zygest Pineapple Bromelain Chewable by Vitamin World Drug Interactions

Want to check YOUR meds against Zygest Pineapple Bromelain Chewable?

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

 Go to the checker
141Drugs
122 Moderate 19 Minor

Ingredients driving the most interactions

Bromelain 141
Papain 2

Individual Drug Interactions

The ingredients in Zygest Pineapple Bromelain Chewable interact with 141 drugs. Click any drug to see the details.

2 of the 3 ingredients in Zygest Pineapple Bromelain Chewable interact with drugs. Each result below shows which ingredient is responsible. Bromelain Papain

Each ingredient & the kinds of drugs it affects

For each ingredient in Zygest Pineapple Bromelain Chewable 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.

Bromelain2 drug types · 141 drugs

Anticoagulant/Antiplatelet Drugs

Bromelain may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
There is one case report of a patient experiencing minor bruising while taking bromelain with naproxen. Bromelain is thought to have antiplatelet activity. Whether this interaction is of concern with topical bromelain is unclear. Interference with coagulation of burn wounds has been reported in a patient receiving bromelain-based enzymatic debridement. However, observational research has found that topical bromelain debridement is not associated with increases or decreases in laboratory markers of coagulation when compared with surgical debridement.

Likelihood Possible Evidence D
Tetracycline Antibiotics

Theoretically, bromelain might increase levels of tetracycline antibiotics.
Laboratory research suggests that bromelain might increase the absorption of tetracycline antibiotics. However, a study in healthy adults reported no difference in tetracycline plasma levels when a 500 mg dose was taken with or without bromelain 80 mg.

Likelihood Possible Evidence B
Bromelain full monograph & interactions

Papain1 drug type · 2 drugs

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.

Likelihood Possible Evidence D
Papain full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Zygest Pineapple Bromelain Chewable, from the product label.

Vitamin World

See all Vitamin World products
Phone Number
1-800-228-4533
Web Address
www.vitaminworld.com
Pharmacist Counseling Corner

Zygest Pineapple Bromelain Chewable by Vitamin World: Common Questions

Does Zygest Pineapple Bromelain Chewable by Vitamin World interact with any medications?
Yes. Based on its ingredients, Zygest Pineapple Bromelain Chewable has a known interaction with 141 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Zygest Pineapple Bromelain Chewable contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
What do papain and bromelain actually do?
They're protein-digesting enzymes — papain from papaya and bromelain from pineapple — meant to help break down proteins in your digestive tract. The evidence for what they accomplish isn't solid yet, though.
Can I take this if I'm pregnant or breastfeeding?
Not without talking to your doctor first. Papain should be avoided in pregnancy because of safety concerns, and there isn't enough data for either ingredient while breastfeeding. Get personalized advice based on your situation.
What side effects might I notice?
Most people experience nothing, but you might get diarrhea, gas, stomach upset, or headache. If you're allergic to papain or pineapple, you could have allergic reactions like itchy eyes, runny nose, or sneezing. High doses are more likely to cause trouble.
Is this a 'natural' enzyme the same as eating pineapple or papaya?
The enzymes are the same, but a supplement dose is concentrated — much more than you'd get from eating the fruit. That's why it can interact with medications even though the whole fruit wouldn't.
How long can I safely take this?
The data we have covers short-term use only. If you want to use it longer than that, talk with your pharmacist about whether it's right for you.

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

Not sure if Zygest Pineapple Bromelain Chewable is safe with your meds?

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Zygest Pineapple Bromelain Chewable label
Go deeper

The Full Monographs Behind Zygest Pineapple Bromelain Chewable’s Ingredients

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

Herb & supplement monograph

Papain

Interacts with 2 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 and laboratory uses, strong human evidence...

Read the full Papain monograph → Herb & supplement monograph

Bromelain

Interacts with 141 drugs

Bromelain is a group of protein-digesting enzymes from pineapple that people take mainly for inflammation, swelling, and sinus problems. Some early studies are promising, but the overall evi...

Read the full Bromelain monograph →
Sources

Sources & How We Checked

Zygest Pineapple Bromelain Chewable's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 30 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
  1. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  2. 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.
  3. 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.
  4. 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.
  5. 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
  6. Walker-Renard, P. Update on the medicinal management of phytobezoars. Am J Gastroenterol. 1993;88(10):1663-1666.
  7. Tymoszuk D, Wiszniewska M, Walusiak-Skorupa J. Papain-induced occupational rhinoconjunctivitis and asthma - A case report. Med Pr 2016;67(1):109-12. PubMed
  8. Soto-Mera MT, López-Rico MR, Filgueira JF, et al. Occupational allergy to papain. Allergy 2000;55(10):983-4. PubMed
  9. Tarlo SM, Shaikh W, Bell B, et al. Papain-induced allergic reactions. Clin Allergy 1978;8(3):207-15. PubMed
  10. 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
  11. 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

See these in context on the Papain monograph →

Bromelain 19 references
  1. Nettis E, Napoli G, Ferrannini A, Tursi A. IgE-mediated allergy to bromelain. Allergy 2001;56:257-8. PubMed
  2. Taussig SJ, Batkin S. Bromelain, the enzyme complex of pineapple (Ananas comosus) and its clinical application. An update. J Ethnopharmacol 1988;22:191-203.. PubMed
  3. Bradbrook ID, Morrison PJ, Rogers HJ. The effect of bromelain on the absorption of orally administered tetracycline. Br J Clin Pharmacol 1978;6:552-4. PubMed
  4. Bush TM, Rayburn KS, Holloway SW, et al. Adverse interactions between herbal and dietary substances and prescription medications: a clinical survey. Altern Ther Health Med 2007;13:30-5.
  5. Brien S, Lewith G, Walker AF, et al. Bromelain as an adjunctive treatment for moderate-to-severe osteoarthritis of the knee: a randomized placebo-controlled pilot study. QJM 2006;99:841-50. PubMed
  6. Mori S, Ojima Y, Hirose T, et al. The clinical effect of proteolytic enzyme containing bromelain and trypsin on urinary tract infection evaluated by double blind method. Acta Obstet Gynaecol Jpn 1972;19:147-53.
  7. Glaser D, Hilberg T. The influence of bromelain on platelet count and platelet activity in vitro. Platelets 2006;17:37-41. PubMed
  8. Heinicke R M, van der Wal L, Yokoyama M. Effect of bromelain (Ananase) on human platelet aggregation. Experientia 1972;28:844-5. PubMed
  9. Gailhofer, G., Wilders-Truschnig, M., Smolle, J., and Ludvan, M. Asthma caused by bromelain: an occupational allergy. Clin Allergy 1988;18(5):445-450. PubMed
  10. Mattei, O., Fabri, G., and Farina, G. [Occupational health experience regarding four cases of asthma due to bromelain (author's transl)]. Medicina del Lavoro 1979;70(5):404-409.
  11. Galleguillos, F. and Rodriguez, J. C. Asthma caused by bromelin inhalation. Clin Allergy 1978;8(1):21-24. PubMed
  12. Perez-Camo I, Quirce S, Duran MA, and et al. Latex allergy: evidence of cross-reactivity with papain and bromelain [abstract]. Allergy 1996;51(suppl 31):48.
  13. Martin GJ, Ehrenreich J, and Asbell N. Bromelain: pineapple proteases with anti-edema activity. Exp Med Surg 1962;20:227-247.
  14. Kasemsuk T, Saengpetch N, Sibmooh N, Unchern S. Improved WOMAC score following 16-week treatment with bromelain for knee osteoarthritis. Clin Rheumatol. 2016 Oct;35(10):2531-40. PubMed
  15. Kutlu Ö, DemirbaS A, Elmas ÖF, Güvenç U, Metin A. Fixed drug eruption: a new side effect of bromelain. Contact Dermatitis 2020. Online ahead of print. PubMed
  16. Shoham Y, Shapira E, Haik J, et al. Bromelain-based enzymatic debridement of chronic wounds: Results of a multicentre randomized controlled trial. Wound Repair Regen 2021;29(6):899-907. PubMed
  17. Pfister P, Garcia Wendel PD, Kim BS, et al. Coagulation side effects of enzymatic debridement in burned patients. Burns 2022. PubMed
  18. Hasham S, Riyat H, Fletcher A, O'Boyle CP, Alexander S. To bleed or not to bleed? Case series and discussion of haemorrhage risk with enzymatic debridement in burn injuries. Scars Burn Heal 2023;9:20595131231168333. PubMed
  19. Leelakanok N, Petchsomrit A, Janurai T, Saechan C, Sunsandee N. Efficacy and safety of bromelain: A systematic review and meta-analysis. Nutr Health 2023. PubMed

See these in context on the Bromelain monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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