No known drug interactions for the matched ingredients — not a guarantee none exist. Based on 1 of 2 ingredients. Check your meds →
Dietary supplement

HCl and Pepsin Ingredients & Drug Interactions

by Carlson

Tablet Or Pill Category: Non-nutrient/non-botanical
No known interaction
The interaction bottom line No known interaction

HCl and Pepsin is a dietary supplement by Carlson with 2 active ingredients. Its ingredients are commonly taken for digestion and bloating, muscle soreness and exercise recovery, inflammation and swelling.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of HCl and Pepsin by Carlson

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

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.

This product has two active ingredients: pepsin, a proteolytic enzyme (a protein-digesting enzyme) that mirrors what your stomach naturally produces, and hydrochloric acid (HCl), which mirrors your stomach's natural acid environment. Together they're meant to support your stomach's natural digestive work.

The tablet also contains several inactive ingredients — microcrystalline cellulose, stearic acid, magnesium stearate, silicon dioxide, croscarmellose sodium, pharmaceutical glaze, and ethylcellulose — which are fillers, binders, and coating materials.

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

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: digestive support and protein digestion.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

We hold no effectiveness data for this product in our records, so we cannot tell you whether the evidence supports its use for any particular condition.

The evidence, ingredient by ingredient 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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Pepsin is generally well tolerated by most adults, though some people report digestive upset or allergic reactions. Because pepsin is a protease, people with known protease sensitivities (for example, from occupational exposure) should be cautious — in rare cases, airborne exposure to pepsin has triggered allergic symptoms like rhinoconjunctivitis or asthma.

During pregnancy, safety hasn't been established, so it's best avoided unless your doctor prescribes it. During breastfeeding, there's very little safety data, so medical advice is needed before use.

We have no interaction data for hydrochloric acid on file.

Side effects, ingredient by ingredient Proteolytic Enzymes (proteases)

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. However, we hold no interaction data for hydrochloric acid, so check with your doctor or pharmacist before starting, particularly if you take medications that are sensitive to changes in stomach acidity or timing of absorption.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

This product might appeal to someone whose doctor suggests supplementing stomach acid or digestive enzymes, though the evidence supporting it isn't in our data. If you have a history of allergies to proteases, or if you're pregnant or breastfeeding, talk it over with your doctor or pharmacist first.

It's also worth checking your exact medications with them, especially since we can't verify hydrochloric acid's effect on drug absorption or timing.

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

Assessment coverage: 1 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Dec 23, 2015.

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 and Pepsin, straight from the product label.

Brand Carlson
Barcode (UPC) 088395066016
Net contents 100 Tablet(s)
Market status On market
Date entered into DSLD Dec 23, 2015
DSLD ID 54731
Product type Non-nutrient/non-botanical
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 and Pepsin by Carlson, 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:
1 Tablet(s)
UPC/BARCODE
088395066016
IngredientAmount% DV
Pepsin150 mg--
Hydrochloric Acid120 mg--

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Silicon Dioxide, Croscarmellose Sodium, Pharmaceutical Glaze, Ethylcellulose

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.
General Statements

Digestive Support Formula

POTENCY & QUALITY GUARANTEED

An F.D.A. Regulated Facility

This formula is prepared to disintegrate over a period of up to 1 hour.

FDA Statement of Identity

DIETARY SUPPLEMENT

Suggested/Recommended/Usage/Directions

Directions: Take one tablet one to three times daily, at mealtime.

Storage

Keep bottle tightly closed. Store away from heat and moisture.

Formulation

Gluten-free Sugar-free Preservative-free

Formula

Carlson HCl and Pepsin tablets supplement normal stomach secretions of hydrochloric acid and pepsin to optimize digestive efficiency and assist with the digestion of protein.*

Each tablet contains 540 mg of Betaine hydrochloride providing 120 mg of hydrochloric acid (HCl) and approximately 380 mg of Betaine (trimethylglycine) per tablet.

Precautions

Caution: Do not take in case of stomach or duodenal ulcer.

FDA Disclaimer Statement

*This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

General

6601-2b

See for yourself

HCl and Pepsin by Carlson label

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

What’s inside

The Ingredients in HCl and Pepsin by Carlson

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Tablet(s) Dosage formTablet Or Pill 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.

Pepsin

No known
interactions
150 mg per serving

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

Pepsin monograph & interactions

Hydrochloric Acid

120 mg per serving

Other (inactive) ingredients: Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Silicon Dioxide, Croscarmellose Sodium, Pharmaceutical Glaze, Ethylcellulose. These complete the product’s ingredient list but are not active constituents.

Interaction report

HCl and Pepsin by Carlson Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in HCl and Pepsin. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

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

Carlson

See all Carlson products
Name
Carlson Division of J.R. Carlson Laboratories, Inc.
City
Arlington Hts.
State
IL
ZipCode
60004
Phone Number
888-234-5656
Web Address
www.carlsonlabs.com
Pharmacist Counseling Corner

HCl and Pepsin by Carlson: Common Questions

Does HCl and Pepsin by Carlson interact with any medications?
We do not currently list a known interaction for the mapped ingredients in HCl and Pepsin. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
HCl and Pepsin 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 while I'm pregnant?
Safety hasn't been established during pregnancy, so the data advises against it unless your doctor prescribes it. Talk with your doctor or pharmacist about whether this is right for you.
Is it safe to breastfeed while taking this product?
There's very little safety data during breastfeeding, so it's not recommended without medical advice. Check with your doctor or pharmacist before use.
Can I use this if I have a protease allergy?
Pepsin is a protease, so if you've had allergic reactions to proteases — especially from occupational exposure — you should be cautious. Talk with your doctor or pharmacist about whether this product is safe for you.
What is pepsin, and what does it do?
Pepsin is a proteolytic enzyme, which means it's a protein-digesting enzyme that mirrors what your stomach naturally makes. It's meant to support your stomach's natural digestive work.
Are there any fillers in this tablet?
Yes, the tablet contains several inactive ingredients — microcrystalline cellulose, stearic acid, magnesium stearate, silicon dioxide, croscarmellose sodium, pharmaceutical glaze, and ethylcellulose — which are binders, fillers, and coating materials.

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

Not sure if HCl and Pepsin is safe with your meds?

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Ask a pharmacist

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 and Pepsin label
Sources

Sources & How We Checked

HCl and Pepsin'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 3 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.

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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