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Dietary supplement

Quantum HCL Ingredients & Drug Interactions

by Quantum Nutrition Labs

Quantum HCL 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 Quantum HCL 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

Quantum HCL is a dietary supplement by Quantum Nutrition Labs with 1 active ingredient. 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 Quantum HCL by Quantum Nutrition Labs

Ask about any prescription or over-the-counter medication and we check it for interactions with Quantum HCL by Quantum Nutrition Labs — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Quantum HCL by Quantum Nutrition Labs

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 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

Quantum HCL is a single-ingredient supplement containing betaine hydrochloride — a compound that boosts stomach acid production. The capsule itself is made from cellulose and water.

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 — see Betaine Hydrochloride's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: assist stomach acid in digestion and nutrient absorption.
  • We looked for evidence on: Dyspepsia, indigestion, low stomach acid, nutrient malabsorption.
  • The closest evidence on file: Betaine Hydrochloride is rated "Insufficient Reliable Evidence To Rate" for Dyspepsia (Natural Medicines).

The evidence for betaine hydrochloride is insufficient for us to rate. The product is traditionally used for indigestion (dyspepsia), low thyroid function (hypothyroidism), diarrhea, rheumatoid arthritis, food allergies, and hay fever, but we don't have reliable research data to say whether it actually works for any of these.

The evidence, ingredient by ingredient 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 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.

Betaine hydrochloride can irritate your stomach and isn't appropriate if you have ulcers, gastritis, or true acid reflux — it may worsen those conditions or slow healing. Theoretically, it could also trigger heartburn.

There isn't enough safety data to use it during pregnancy or while breastfeeding, so those are off the table. Talk with your pharmacist or doctor before starting, especially if you have any stomach or acid-related conditions.

Side effects, ingredient by ingredient Betaine Hydrochloride

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 1 matched ingredient 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 you start, check whether you take any H2-blockers (such as famotidine or ranitidine), antacids, or proton pump inhibitors (PPIs like omeprazole). Betaine hydrochloride may reduce how well those medications 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. Only minor medication interactions are documented, and safety information is well characterized.

Quantum HCL is a straightforward single-ingredient product for people interested in boosting stomach acid. If you take H2-blockers, antacids, or PPIs, you'll want to check your specific medications first — they won't play well together.

Anyone with ulcers, gastritis, or acid reflux should skip it entirely.

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

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Apr 24, 2025.

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 Quantum HCL, straight from the product label.

Brand Quantum Nutrition Labs
Barcode (UPC) 807735121778
Net contents 90 Plant-Source Capsule(s)
Market status On market
Date entered into DSLD Apr 24, 2025
DSLD ID 329064
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, 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 Quantum HCL by Quantum Nutrition Labs, 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
90
UPC/BARCODE
807735121778
IngredientAmount% DV
Betaine Hydrochloride500 mg--

Other ingredients: Cellulose, Water

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.
Suggested/Recommended/Usage/Directions

Suggested Use: Take 1 capsule after each meal, 3 times daily, especially cooked meals.

Formula

Quantum HCL features betaine hydrochloride which assists the body's natural stomach acids in the digestion and absorption of nutrients, especially protein, vitamin B-12, calcium, iron and other minerals.

OU (Kosher) Kosher certified

Premium betaine hydrochloride

OU (Kosher) We are proud to offer many OU Kosher Certified products.

Seals/Symbols

OU (Kosher)

Non GMO Project Verified nongmoproject.org

OU (Kosher)

Precautions

Tamper seal: Use only if seal is intact.

Consult your health practitioner if you are pregnant/lactating, taking medication or have a medical condition, before taking this product.

Keep out of reach of children.

Storage

Store in a cool, dry place.

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.

Formulation

Quantum-state digestive support

Non GMO Project Verified nongmoproject.org

Gluten free Soy free

Pure vegan

Purity verified FDA-monitored cGMP facility

Betaine hydrochloride promotes absorption of nutrients. QNL's Quality Program

Manufactured to avoid: added magnesium stearate (an undesirable excipient), artificial colors, artificial flavors or artificial preservatives.

FDA Statement of Identity

Dietary Supplement

General Statements

Scan to discover more

As we age, we typically produce less hydrochloric acid (HCl) which reduces our ability to efficiently absorb nutrients from food. Reduced HCl production affects the amount of protein and calcium we can absorb and can interfere with bone metabolism. Incomplete protein metabolism can imbalance intestinal flora.

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

See for yourself

Quantum HCL by Quantum Nutrition Labs label

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

Quantum HCL 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 Quantum HCL by Quantum Nutrition Labs

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.

Betaine Hydrochloride

Interacts with
36 drugs
500 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

Other (inactive) ingredients: Cellulose, Water. These complete the product’s ingredient list but are not active constituents.

Interaction report

Quantum HCL by Quantum Nutrition Labs Drug Interactions

Want to check YOUR meds against Quantum HCL?

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 Quantum HCL interact with 36 drugs. Click any drug to see the details.

1 of the 1 ingredient in Quantum HCL 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 Quantum HCL 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 Quantum HCL, from the product label.

Quantum Nutrition Labs

See all Quantum Nutrition Labs products
Name
Quantum Nutrition Labs
Pharmacist Counseling Corner

Quantum HCL by Quantum Nutrition Labs: Common Questions

Does Quantum HCL by Quantum Nutrition Labs interact with any medications?
Yes. Based on its ingredients, Quantum HCL 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?
Quantum HCL contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism 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 heartburn or acid reflux?
No. Betaine hydrochloride increases stomach acid, which is the opposite of what you need if you have acid reflux. It could make your symptoms worse and isn't safe for people with true acid reflux, gastritis, or ulcers.
Is it safe to use during pregnancy?
There isn't enough safety information to know whether it's safe in pregnancy, so it's best avoided. Talk to your doctor or pharmacist for personalized advice.
Can I breastfeed while taking this?
Safety during breastfeeding hasn't been established, so avoid use. Ask your pharmacist or doctor if you're wondering about other options.
What does betaine hydrochloride actually do?
It increases the amount of acid in your stomach. It's used traditionally for indigestion, low thyroid function, diarrhea, and a few other conditions — but we don't have solid research showing it actually works for any of them.
Does it have any fillers?
The capsule contains cellulose and water as inactive ingredients — that's it.
What side effects should I watch for?
The main risk is stomach irritation and heartburn. If you have an ulcer or gastritis, the extra acid could make it worse or slow healing. Stop and talk to your pharmacist if you have stomach pain or burning.

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.

Quantum HCL label
Go deeper

The Full Monographs Behind Quantum HCL’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 →
Sources

Sources & How We Checked

Quantum HCL'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 2 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 →

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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