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Dietary supplement

HCl-Pepsin SAP Ingredients & Drug Interactions

by NFH

HCl-Pepsin SAP label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Minor
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking HCl-Pepsin SAP 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: Minor

HCl-Pepsin SAP is a dietary supplement by NFH with 2 active ingredients. Its ingredients are commonly taken for low stomach acid (hypochlorhydria), bloating and gas, indigestion.Based on those ingredients, 36 medications have a known interaction with it, the most serious rated minor. The ingredients most likely to interact are Betaine Hydrochloride. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against HCl-Pepsin SAP by NFH

Ask about any prescription or over-the-counter medication and we check it for interactions with HCl-Pepsin SAP by NFH — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of HCl-Pepsin SAP by NFH

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 Aug 6, 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.
  • No proprietary blends here — you can verify the dose of every single component.

HCl-Pepsin SAP contains two active ingredients. Betaine hydrochloride is a compound that increases stomach acid production, and pepsin A is a digestive enzyme that helps break down proteins in the stomach.

The capsule itself is made with vegetable-derived ingredients (hypromellose, magnesium stearate, silicon dioxide, and purified water) rather than animal sources.

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: support digestion and liver function.
  • We looked for evidence on: Dyspepsia, indigestion, bloating, protein malabsorption.
  • The closest evidence on file: Betaine Hydrochloride is rated "Insufficient Reliable Evidence To Rate" for Dyspepsia (Natural Medicines).

The evidence for betaine hydrochloride in treating indigestion (dyspepsia), low thyroid function (hypothyroidism), diarrhea, rheumatoid arthritis, food allergies, or hay fever is insufficient—we simply don't have enough reliable research data to rate whether it works for these conditions. Pepsin A's effectiveness has not been rated in the data we hold.

The evidence, ingredient by ingredient Betaine Hydrochloride Proteolytic Enzymes (proteases)

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.

Betaine hydrochloride can irritate the stomach and is not safe for anyone with ulcers, gastritis, or true acid reflux—it may worsen those conditions or trigger heartburn. It should be avoided during pregnancy and breastfeeding, as safety data is lacking in both cases.

Pepsin A is generally well tolerated in adults but can occasionally cause digestive upset or allergic reactions; it should also be avoided during pregnancy unless prescribed, and breastfeeding use is not recommended without medical advice. Occupational exposure to pepsin dust has rarely caused allergic rhinitis or asthma, though this is not a concern with oral supplements in a capsule.

Side effects, ingredient by ingredient Betaine Hydrochloride Proteolytic Enzymes (proteases)

Meds to double-check

Minor interactions only
Known Interaction Concern · database check
Minor only

Only Minor-severity interactions are documented for these ingredients.

Why this rating?
  • 1 of the 2 matched ingredients can interact with medications — Betaine Hydrochloride.
  • The most serious interaction on file is rated Minor.
  • For scale: 36 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 HCl-Pepsin SAP, check with your doctor or pharmacist if you're on any acid-reducing medications: H2-blockers, antacids, or proton pump inhibitors (PPIs). Betaine hydrochloride can lower their effectiveness, which means your heartburn, reflux, or ulcer protection might be weakened.

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. Only minor medication interactions are documented, and safety information is well characterized.

This product is aimed at people looking to support stomach acid and protein digestion, but it's not right for you if you have ulcers, gastritis, or acid reflux—it could make those worse. If you take any acid-reducing medication, talk with your doctor or pharmacist before starting, since betaine hydrochloride may interfere with how those drugs work.

Pregnant or breastfeeding individuals should avoid it unless advised otherwise by their healthcare provider.

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 Mar 22, 2023.

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 HCl-Pepsin SAP, straight from the product label.

Brand NFH
Barcode (UPC) 856711111555
Net contents 120 Capsule(s)
Market status On market
Date entered into DSLD Mar 22, 2023
DSLD ID 273565
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar 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 HCl-Pepsin SAP by NFH, 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 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
120
UPC/BARCODE
856711111555
IngredientAmount% DV
Betaine Hydrochloride700 mg--
Pepsin A75 mg--

Other ingredients: Vegetable Magnesium Stearate, Silicon Dioxide, Vegetable Hypromellose, Water, Purified

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

HCL-Pepsin SAP helps support digestion and liver function.

All ingredients listed for this product lot number have been tested by a third-party laboratory for identity, potency, and purity.

Contains no: Gluten, soy, wheat, corn, eggs, dairy, yeast, citrus, preservatives, artificial flavor or color, starch, or sugar.

This product is non-GMO.

Color, size and smell may vary from one lot to another.

Digestive aid & liver support

Made in Canada

Suggested/Recommended/Usage/Directions

Directions for use: Adults: Take 1 capsule twice daily with food / meal or as directed by your healthcare practitioner. Consult a healthcare practitioner for prolonged use.

Precautions

Cautions and warnings: Consult a healthcare practitioner prior to use if you have a peptic ulcer or excess stomach acid; if you have high cholesterol; if you are pregnant or breast-feeding; if you have gastrointestinal lesions / ulcers; if you are taking anticoagulant agents or antiinflammatory agents; or if you are having surgery.

Known adverse reaction: Hypersensitivity (e.g. allergy) has been known to occur; in such a case, discontinue use.

Do not use if seal is broken.

Keep out of reach of children.

Storage

Storage conditions: Store in a cool, dry place, below 25 degrees celsius.

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

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

See for yourself

HCl-Pepsin SAP by NFH label

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

HCl-Pepsin SAP 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 HCl-Pepsin SAP by NFH

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 container120 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.

Betaine Hydrochloride

Interacts with
36 drugs
700 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 Hydrochloride monograph & interactions

Pepsin A

No known
interactions
75 mg per serving Form: Sus Scrofa

Proteolytic enzymes are proteins that help break down other proteins, and common examples include bromelain (from pineapple), papain (from papaya), tr...

Pepsin A monograph & interactions

Other (inactive) ingredients: Vegetable Magnesium Stearate, Silicon Dioxide, Vegetable Hypromellose, Water, Purified. These complete the product’s ingredient list but are not active constituents.

Interaction report

HCl-Pepsin SAP by NFH Drug Interactions

Want to check YOUR meds against HCl-Pepsin SAP?

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
36Drugs
36 Minor

Ingredients driving the most interactions

Betaine Hydrochloride 36

Individual Drug Interactions

The ingredients in HCl-Pepsin SAP interact with 36 drugs. Click any drug to see the details.

1 of the 2 ingredients in HCl-Pepsin SAP interact with drugs. Each result below shows which ingredient is responsible. Betaine Hydrochloride

Each ingredient & the kinds of drugs it affects

For each ingredient in HCl-Pepsin SAP with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Betaine Hydrochloride3 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 Hydrochloride full monograph & interactions
The maker

Brand information

Manufacturer and brand details for HCl-Pepsin SAP, from the product label.

NFH

See all NFH products
Name
NFH - Nutritional Fundamentals for Health, Inc.
Street Address
351 Rue Joseph-Carrier
City
Vaudreuil
State
QC
ZipCode
J7V 5V5
Phone Number
1 866 510-3123
Web Address
nfh.ca
Pharmacist Counseling Corner

HCl-Pepsin SAP by NFH: Common Questions

Does HCl-Pepsin SAP by NFH interact with any medications?
Yes. Based on its ingredients, HCl-Pepsin SAP has a known interaction with 36 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
HCl-Pepsin SAP contains 2 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.
Can I take this if I have acid reflux or heartburn?
No—betaine hydrochloride increases stomach acid and is not safe for people with true acid reflux, heartburn, gastritis, or ulcers. It could make those conditions worse or delay healing. Talk with your doctor before taking it.
Is it safe during pregnancy or breastfeeding?
No. Betaine hydrochloride should be avoided during pregnancy, and pepsin A is best avoided during pregnancy unless your doctor prescribes it. During breastfeeding, pepsin A is not recommended without medical advice, and betaine hydrochloride safety is not established. Discuss with your doctor or pharmacist if you're pregnant or nursing.
What does pepsin do?
Pepsin is a digestive enzyme that helps break down proteins in your stomach during digestion.
What are the side effects?
Betaine hydrochloride may cause stomach irritation or heartburn. Pepsin A is generally well tolerated but can occasionally cause digestive upset or allergic reactions in sensitive people.
Does it actually work for indigestion or other conditions?
The evidence isn't strong enough yet. Research on betaine hydrochloride for indigestion, thyroid function, diarrhea, arthritis, food allergies, and hay fever is insufficient to say whether it works. We don't have effectiveness data for pepsin A in the facts we hold.

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.

HCl-Pepsin SAP label
Go deeper

The Full Monographs Behind HCl-Pepsin SAP’s Ingredients

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

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 → Herb & supplement monograph

Proteolytic 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 →
Sources

Sources & How We Checked

HCl-Pepsin SAP'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 5 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.

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
  2. Yago MR, Frymoyer AR, Smelick GS, Frassetto LA, Budha NR, Dresser MJ, Ware JA, Benet LZ. Gastric reacidification with betaine HCl in healthy volunteers with rabeprazole-induced hypochlorhydria. Mol Pharm. 2013 Nov 4;10(11):4032-7. PubMed

See these in context on the Betaine Hydrochloride monograph →

Proteolytic Enzymes (proteases) 3 references
  1. 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
  2. Marquès LI, Lara S, Abós T, Bartolomé B. Occupational rhinitis due to pepsin. J Investig Allergol Clin Immunol. 2006;16(2):136-7. DOI
  3. 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 →

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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