Interactions on record — worth a quick check against your medications. Based on 5 of 7 ingredients. Check your meds →
Dietary supplement

Pro-Gest-Ade Enzyme Blend Ingredients & Drug Interactions

by Nature's Way

Pro-Gest-Ade Enzyme Blend label
See full label image
Tablet Or Pill Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Pro-Gest-Ade Enzyme Blend 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

Pro-Gest-Ade Enzyme Blend is a dietary supplement by Nature's Way with 7 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, 759 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Niacin, Bromelain, Betaine HCI. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Pro-Gest-Ade Enzyme Blend by Nature's Way

Ask about any prescription or over-the-counter medication and we check it for interactions with Pro-Gest-Ade Enzyme Blend by Nature's Way — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Pro-Gest-Ade Enzyme Blend by Nature's Way

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 Sep 3, 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 7 of its 7 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Pro-Gest-Ade Enzyme Blend contains 7 active ingredients: amylase, papain, niacin, bromelain, lipase, L-glutamic acid, and betaine HCI. These are digestive enzymes and support nutrients intended to help break down food and ease digestion.

The product also contains several inactive ingredients — cellulose, stearic acid, sodium croscarmellose, silica, hypromellose, magnesium stearate, and glycerin — which are binders, fillers, and capsule materials.

Does it work?

Not established
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 established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: supports digestion of fats proteins and carbohydrates.
  • We looked for evidence on: Dyspepsia, Food allergies, Gallbladder disease, Inflammatory bowel disease (IBD), Intestinal parasite infection, Indigestion — and 3 related terms.
  • The closest evidence on file: Papain is rated "Insufficient Reliable Evidence To Rate" for Intestinal parasite infection (Natural Medicines).
  • Also on file: Lipase is rated "Insufficient Reliable Evidence To Rate" for Inflammatory bowel disease (IBD), Dyspepsia.
  • Also on file: Betaine Hydrochloride is rated "Insufficient Reliable Evidence To Rate" for Dyspepsia, Food allergies, Gallbladder disease.

The evidence we hold doesn't establish that this blend works for its digestive purpose. Papain, bromelain, lipase, and betaine HCI all carry ratings of insufficient reliable evidence for the digestive and other conditions they're studied for.

Niacin is rated likely effective for pellagra (a vitamin-deficiency disease) and possibly effective for certain types of dyslipidemia (abnormal blood fat levels) in HIV/AIDS, but those aren't typical reasons someone takes a digestive enzyme blend. If you're considering this for digestion or general enzyme support, talk with your doctor or pharmacist about what the evidence actually shows for your situation.

The evidence, ingredient by ingredient Papain Niacin Bromelain Lipase Betaine Hydrochloride

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 5 of the 5 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 5.
  • General safety write-ups exist for 5 of 5.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Papain is generally well tolerated as a food but can irritate the digestive tract and trigger allergic reactions in sensitive people — symptoms include itchy eyes, runny nose, sneezing, abdominal cramps, and diarrhea. High doses may rarely cause serious effects like esophageal perforation or severe inflammation of the stomach lining.

Bromelain is generally well tolerated short-term, though long-term safety data are limited; it can cause diarrhea, gas, stomach upset, or headache, and allergic reactions are possible. Betaine HCI may irritate the stomach and should not be used if you have ulcers, gastritis, or true acid reflux — it can worsen heartburn.

Niacin at high supplement doses can cause flushing, liver problems, muscle damage, and low blood-platelet counts. Lipase is generally well tolerated; no adverse effects have been reported in adults, though long-term safety is not fully studied.

Side effects, ingredient by ingredient Papain Niacin Bromelain Lipase Betaine Hydrochloride

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?
  • 4 of the 5 matched ingredients can interact with medications — Papain, Betaine Hydrochloride, Bromelain, Niacin.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications.
  • For scale: 760 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 taking Pro-Gest-Ade, check with your doctor or pharmacist if you take warfarin or other blood thinners, diabetes medications, blood-pressure drugs, cholesterol-lowering statins, gout medications (allopurinol or probenecid), H2-blockers, antacids, or proton pump inhibitors (PPIs). Niacin and papain have documented interactions with several of these categories; bromelain may increase bleeding risk with anticoagulants; and betaine HCI may reduce how well acid-reducing drugs work.

Check your own medication Run your meds through the checker above

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 enzyme blend may be taken by people seeking digestive support, but evidence for its effectiveness isn't established in our data. The significant interaction concerns are with blood thinners (especially warfarin), diabetes drugs, blood-pressure medications, cholesterol drugs, gout medications, and acid-reducing medications.

If you take any prescription or over-the-counter medications, talk with your doctor or pharmacist before starting — they can review your exact drugs against this product's ingredients.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 5 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 23, 2020.

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 Pro-Gest-Ade Enzyme Blend, straight from the product label.

Brand Nature's Way
Barcode (UPC) 763948014590
Net contents 90 Tablet(s)
Market status On market
Date entered into DSLD Jul 23, 2020
DSLD ID 229793
Product type Other Combinations
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Pro-Gest-Ade Enzyme Blend by Nature's Way, 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:
2 Tablet(s)
Maximum serving Sizes:
2 Tablet(s)
Servings per container
45
UPC/BARCODE
763948014590
IngredientAmount% DV
Calories5 Calorie(s)--
Total Carbohydrates1 Gram(s)1%
Amylase150 mg--
Papain200 mg--
Niacin20 mg125%
Bromelain200 mg--
Lipase100 mg--
L-Glutamic Acid310 mg--
Betaine HCI310 mg--

Other ingredients: Cellulose, Stearic Acid, Sodium Croscarmellose, Silica, Hypromellose, Magnesium Stearate, Glycerin

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.
Formulation

Supports digestion of fats, proteins and carbohydrates Supports breakdown and absorption of nutrients

Contains no yeast-derived ingredients or artificial colors.

Breaks down fats, proteins and carbohydrates Healthy Digestion

Precautions

Keep out of reach of children.

Safety sealed with printed inner seal. Do not use if seal is broken or missing.

Caution: Not recommended for use if peptic ulcer, gastritis, or heartburn is present.

If you are pregnant, nursing, have diabetes, or if you are taking any medications, consult a healthcare professional before use.

Contains sulfites.

Brand IP Statement(s)

2020 Natures’s Way Brands, LLC

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.

General Statements

Nature's Way Since 1969

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommendation: Adults take 2 tablets with meals.

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

See for yourself

Pro-Gest-Ade Enzyme Blend by Nature's Way label

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

Pro-Gest-Ade Enzyme Blend 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 Pro-Gest-Ade Enzyme Blend by Nature's Way

These are the 7 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container45 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.

Amylase

150 mg per serving

Papain

Interacts with
2 drugs
200 mg per serving

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 & interactions

Niacin

Interacts with
727 drugs
20 mg per serving Form: Niacinamide

Niacin (vitamin B3) is an essential nutrient your body needs for energy and metabolism, and deficiency is uncommon in most developed countries. Prescr...

Niacin monograph & interactions

Bromelain

Interacts with
141 drugs
200 mg per serving

Bromelain is a group of protein-digesting enzymes from pineapple that people take mainly for inflammation, swelling, and sinus problems. Some early st...

Bromelain monograph & interactions

Lipase

No known
interactions
100 mg per serving

Lipase is a digestive enzyme that helps your body break down dietary fats. It is well established as part of prescription pancreatic enzyme therapy fo...

Lipase monograph & interactions

L-Glutamic Acid

310 mg per serving Form: L-Glutamic Acid Hydrochloride

Betaine HCI

Interacts with
36 drugs
310 mg per serving

Betaine hydrochloride is a supplement used to temporarily increase stomach acid in people who may have low acid levels. Evidence for its benefits is l...

Betaine HCI monograph & interactions

Other (inactive) ingredients: Cellulose, Stearic Acid, Sodium Croscarmellose, Silica, Hypromellose, Magnesium Stearate, Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Pro-Gest-Ade Enzyme Blend by Nature's Way Drug Interactions

Want to check YOUR meds against Pro-Gest-Ade Enzyme Blend?

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
759Drugs
727 Moderate 32 Minor

Ingredients driving the most interactions

Niacin 727
Bromelain 141
Betaine HCI 36
Papain 2

Individual Drug Interactions

The ingredients in Pro-Gest-Ade Enzyme Blend interact with 759 drugs. Click any drug to see the details.

4 of the 7 ingredients in Pro-Gest-Ade Enzyme Blend interact with drugs. Each result below shows which ingredient is responsible. Niacin Bromelain Betaine HCI Papain

Each ingredient & the kinds of drugs it affects

For each ingredient in Pro-Gest-Ade Enzyme Blend 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.

Niacin15 drug types · 727 drugs

Alcohol (Ethanol)

Concomitant use of alcohol and niacin might increase the risk of flushing and hepatotoxicity.
Alcohol can exacerbate the flushing and pruritus associated with niacin. Large doses of niacin might also exacerbate liver dysfunction associated with chronic alcohol use. A case report describes delirium and lactic acidosis in a patient taking niacin 3 grams daily who ingested 1 liter of wine. Advise patients to avoid large amounts of alcohol while taking niacin.

Likelihood Probable Evidence D
Allopurinol (Zyloprim)

Theoretically, niacin might antagonize the therapeutic effects of uricosurics such as allopurinol.
Large doses of niacin can reduce urinary excretion of uric acid, potentially resulting in hyperuricemia. Doses of uricosurics such as allopurinol might need to be increased to maintain control of gout in patients who start taking niacin. People who have frequent attacks of gout despite uricosuric therapy should avoid niacin.

Likelihood Probable Evidence C
Anticoagulant/Antiplatelet Drugs

Theoretically, niacin may have additive effects when used with anticoagulant or antiplatelet drugs.
Several cases of clotting factor synthesis deficiency and coagulopathy have been reported in patients taking sustained-release niacin. Also, thrombocytopenia has been reported in patients treated with niacin or niacin plus lovastatin.

Likelihood Possible Evidence D
Antidiabetes Drugs

Niacin can increase blood glucose levels and may diminish the effects of antidiabetes drugs.
Niacin impairs glucose tolerance in a dose-dependent manner, probably by causing or aggravating insulin resistance and increasing hepatic production of glucose. In diabetes patients, niacin 4.5 grams daily for 5 weeks can increase plasma glucose by an average of 16% and glycated hemoglobin (HbA1c) by 21%. However, lower doses of 1.5 grams daily or less appear to have minimal effects on blood glucose. In some patients, glucose levels increase when niacin is started, but then return to baseline when a stable dose is reached. Up to 35% of patients with diabetes may need adjustments in hypoglycemic therapy when niacin is added.

Likelihood Probable Evidence B
Antihypertensive Drugs

Theoretically, niacin may increase the risk of hypotension when used with antihypertensive drugs.
The vasodilating effects of niacin can cause hypotension. Furthermore, some clinical evidence suggests that a one-hour infusion of niacin can reduce systolic, diastolic, and mean blood pressure in hypertensive patients. This effect is not observed in normotensive patients.

Likelihood Possible Evidence B
Bile Acid Sequestrants

Bile acid sequestrants can bind niacin and decrease absorption. Separate administration by 4-6 hours to avoid an interaction.
In vitro studies show that colestipol (Colestid) binds about 98% of available niacin and cholestyramine (Questran) binds 10% to 30%.

Likelihood Possible Evidence D
Gemfibrozil (Lopid)

Theoretically, concomitant use of niacin and gemfibrozil might increase the risk of myopathy in some patients.
A case of myopathy from concomitant use of niacin and gemfibrozil has been reported. Niacin alone has also been associated with cases of myopathy. Using gemfibrozil with niacin might further increase the risk of developing myopathy.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, concomitant use of niacin and hepatotoxic drugs might increase the risk of hepatotoxicity.
Niacin has been associated with cases of liver toxicity, especially when used in pharmacologic doses. Sustained-release niacin preparations appear to be associated with a higher risk of hepatotoxicity than immediate-release niacin.

Likelihood Possible Evidence D
Hmg-Coa Reductase Inhibitors ("Statins")

Theoretically, concomitant use of niacin and statins might increase the risk of myopathy and rhabdomyolysis in some patients.
Some case reports have raised concerns that niacin might increase the risk of myopathy and rhabdomyolysis when combined with statins. However, a significantly increased risk of myopathy has not been demonstrated in clinical trials, including those using an FDA-approved combination of lovastatin and niacin (Advicor).

Likelihood Possible Evidence D
Probenecid (Benemid)

Theoretically, niacin might antagonize the therapeutic effects of uricosurics such as probenecid.
Large doses of niacin reduce urinary excretion of uric acid, potentially causing hyperuricemia. Doses of uricosurics such as probenecid might need to be increased to maintain control of gout in patients who start taking niacin. People who have frequent attacks of gout despite uricosuric therapy should avoid niacin.

Likelihood Probable Evidence C
Sulfinpyrazone (Anturane)

Theoretically, niacin might antagonize the therapeutic effects of uricosurics such as sulfinpyrazone.
Large doses of niacin reduce urinary excretion of uric acid, potentially causing hyperuricemia. Doses of uricosurics such as sulfinpyrazone might need to be increased to maintain control of gout in patients who start taking niacin. People who have frequent attacks of gout despite uricosuric therapy should avoid niacin.

Likelihood Probable Evidence C
Thyroid Hormone

Theoretically, niacin might antagonize the therapeutic effects of thyroid hormones.
Clinical research and case reports suggests that taking niacin can reduce serum levels of thyroxine-binding globulin by up to 25% and moderately reduce levels of thyroxine (T4). Patients taking thyroid hormone for hypothyroidism might need dose adjustments when using niacin.

Likelihood Probable Evidence D
Transdermal Nicotine (Nicoderm)

Theoretically, concomitant use of niacin and transdermal nicotine might increase the risk of flushing and dizziness.
Niacin and nicotine can both cause flushing and dizziness.

Likelihood Possible Evidence D
Warfarin (Coumadin)

There is limited evidence that niacin may increase the anticoagulant effects of warfarin.
In a case report, a patient on warfarin developed an elevated international normalized ratio (INR) of 3.9 after taking niacin for two weeks. The patient's INR was previously stable, ranging between 2 and 3 in recent months, and no other medication changes were identified. The elevated INR returned to therapeutic range within 4 days following the discontinuation of niacin.

Likelihood Possible Evidence D
Aspirin

Large doses of aspirin might alter the clearance of niacin.
Aspirin is often used with niacin to reduce niacin-induced flushing. Doses of 80-975 mg aspirin have been used, but 325 mg appears to be optimal. Aspirin also seems to reduce the clearance of niacin by competing for glycine conjugation. Taking aspirin 1 gram seems to reduce niacin clearance by 45%. This is probably a dose-related effect and not clinically significant with the more common aspirin dose of 325 mg.

Likelihood Likely Evidence B
Niacin full monograph & interactions

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

Betaine HCI3 drug types · 36 drugs

Antacids

Betaine hydrochloride increases stomach acidity and could decrease the effects of antacids.
In human research, betaine hydrochloride increases stomach acidity. Antacids are taken to decrease stomach acidity. Theoretically, taking betaine hydrochloride along with antacids might decrease the effects of the antacids.

Likelihood Possible Evidence D
H2-Blockers

Betaine hydrochloride increases stomach acidity and could decrease the effects of H2-blockers.
In human research, betaine hydrochloride increases stomach acidity. H2-blockers are used to decrease stomach acidity. Theoretically, taking betaine hydrochloride along with H2-blockers might decrease the effects of H2-blockers.

Likelihood Possible Evidence D
Proton Pump Inhibitors (Ppis)

Betaine hydrochloride increases stomach acidity and could decrease the effects of PPIs.
In human research, betaine hydrochloride increases stomach acidity. PPIs are used to decrease stomach acidity. Theoretically, taking betaine hydrochloride along with PPIs might decrease the effects of PPIs

Likelihood Possible Evidence D
Betaine HCI 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 Pro-Gest-Ade Enzyme Blend, from the product label.

Nature's Way

See all Nature's Way products
Name
Nature's Way Brands, LLC
City
Green Bay
State
WI
ZipCode
54311
Phone Number
1-800-962-8873
Web Address
naturesway.com
Pharmacist Counseling Corner

Pro-Gest-Ade Enzyme Blend by Nature's Way: Common Questions

Does Pro-Gest-Ade Enzyme Blend by Nature's Way interact with any medications?
Yes. Based on its ingredients, Pro-Gest-Ade Enzyme Blend has a known interaction with 759 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Pro-Gest-Ade Enzyme Blend contains 7 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.
Is this safe to take if I'm pregnant or breastfeeding?
Papain is rated possibly unsafe in pregnancy, so concentrated papain products should be avoided. Bromelain and betaine HCI lack enough safety data — the facts advise against them in pregnancy and breastfeeding. For niacin, normal dietary amounts and standard prenatal vitamins are fine, but high-dose niacin supplements should be avoided unless prescribed. We have no pregnancy or breastfeeding data on file for lipase or amylase. Talk with your doctor or pharmacist about whether this product is right for you.
What's papain, and why is it in a digestive enzyme blend?
Papain is an enzyme from papaya that breaks down proteins. It's included in digestion blends for that reason, though evidence that it actually helps digestion is insufficient. It's generally well tolerated as food but can irritate the digestive tract or cause allergic reactions in sensitive people, and it does interact with blood thinners like warfarin.
Can I take this with my stomach acid medication?
Probably not safely. Betaine HCI in this blend increases stomach acidity, which directly works against H2-blockers, antacids, and proton pump inhibitors — all common acid-reducing drugs. Taking them together may reduce how well your acid medication works. Talk with your pharmacist before combining them.
Will this affect my diabetes medication?
Possibly. Niacin, one of the active ingredients, can raise blood sugar and may reduce how well diabetes drugs work. If you take diabetes medication, check with your doctor or pharmacist before starting this product.
What are the common side effects?
Bromelain and papain may cause diarrhea, gas, stomach upset, and headache in short-term use. Allergic reactions (itchy eyes, runny nose, sneezing, rash) are possible in sensitive people. Niacin can cause flushing and gastrointestinal complaints like nausea, vomiting, and heartburn at high doses. Betaine HCI may irritate the stomach or cause heartburn, especially in people with ulcers or gastritis.
Is this blend actually proven to help digestion?
No — the evidence we hold rates all the digestive ingredients (papain, bromelain, lipase, and betaine HCI) as having insufficient reliable evidence for digestive conditions or their stated purposes. If you want to know whether an enzyme blend will help you personally, talk with your doctor.

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.

Pro-Gest-Ade Enzyme Blend label
Go deeper

The Full Monographs Behind Pro-Gest-Ade Enzyme Blend’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

Niacin

Interacts with 727 drugs

Niacin (vitamin B3) is an essential nutrient your body needs for energy and metabolism, and deficiency is uncommon in most developed countries. Prescription-strength niacin has been used to...

Read the full Niacin 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 → Herb & supplement monograph

Lipase

Lipase is a digestive enzyme that helps your body break down dietary fats. It is well established as part of prescription pancreatic enzyme therapy for people who cannot make enough of their...

Read the full Lipase monograph → Herb & supplement monograph

Betaine Hydrochloride

Interacts with 36 drugs

Betaine hydrochloride is a supplement used to temporarily increase stomach acid in people who may have low acid levels. Evidence for its benefits is limited and mostly based on tradition rat...

Read the full Betaine Hydrochloride monograph →
Sources

Sources & How We Checked

Pro-Gest-Ade Enzyme Blend'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 99 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
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Bromelain 19 references
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Lipase 1 reference
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See these in context on the Lipase monograph →

Betaine Hydrochloride 2 references
  1. Yago MR, Frymoyer A, Benet LZ, Smelick GS, Frassetto LA, Ding X, Dean B, Salphati L, Budha N, Jin JY, Dresser MJ, Ware JA. The use of betaine HCl to enhance dasatinib absorption in healthy volunteers with rabeprazole-induced hypochlorhydria. AAPS J. 2014 PubMed
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