Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

Betaine Plus Ingredients & Drug Interactions

by Douglas Laboratories

Betaine Plus label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Minor
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Betaine Plus 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

Betaine Plus is a dietary supplement by Douglas Laboratories 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.

Jump to a section

Check Your Meds Against Betaine Plus by Douglas Laboratories

Ask about any prescription or over-the-counter medication and we check it for interactions with Betaine Plus by Douglas Laboratories — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Betaine Plus by Douglas Laboratories

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 16, 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.

Betaine Plus contains two active ingredients. Betaine hydrochloride is an acidic form of betaine that's meant to increase stomach acid.

Pepsin is a digestive enzyme that helps break down protein in the stomach.

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 for betaine hydrochloride in this product is insufficient to rate. The facts we hold list several conditions it's been studied for — indigestion, low thyroid function, diarrhea, rheumatoid arthritis, food allergies, and hay fever — but reliable evidence supporting its use for any of them hasn't been established.

Pepsin's effectiveness data isn't on file either.

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 is a strong irritant and is not safe if you have ulcers, gastritis, or true acid reflux — it can worsen those conditions or trigger heartburn. Pepsin is generally well tolerated in most adults, though it may cause digestive upset or, rarely, allergic reactions.

Safety data for both ingredients during pregnancy advises against use. During breastfeeding, there isn't enough safety information for either ingredient — talk with your doctor or pharmacist before taking it while nursing.

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 Betaine Plus, check with your doctor or pharmacist if you take any H2-blockers, antacids, or proton pump inhibitors (PPIs) — betaine hydrochloride may reduce how well these work by increasing stomach acid.

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

This product is built around increasing stomach acid, which makes it unsuitable if you have ulcers, gastritis, or reflux. If you take acid-reducing medications (H2-blockers, PPIs, antacids), this product could interfere with them.

Talk with your doctor or pharmacist about whether this product is right for you and whether it will work alongside your other medications.

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 Jul 21, 2022.

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 Betaine Plus, straight from the product label.

Brand Douglas Laboratories
Barcode (UPC) 310539980248
Net contents 100 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Jul 21, 2022
DSLD ID 274158
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 Betaine Plus by Douglas Laboratories, 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 Vegetarian Capsule(s)
Maximum serving Sizes:
1 Vegetarian Capsule(s)
Servings per container
100
UPC/BARCODE
310539980248
IngredientAmount% DV
Betaine Hydrochloride520 mg--
Pepsin21 mg--

Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Ascorbyl Palmitate

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 Usage: As a dietary supplement, adults take 1 capsule with each meal or as directed by your health professional.

Precautions

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.

Discontinue immediately if a burning sensation occurs. Not recommended for people with ulcers.

Keep out of the reach of children.

Use only if safety seal is intact.

Storage

Store in a cool, dry place.

Formulation

Gluten-free, Non-GMO

Healthy digestive function

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

General Statements

Scan to learn about our manufacturing excellence Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

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

Betaine Plus by Douglas Laboratories label

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

Betaine Plus 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 Betaine Plus by Douglas Laboratories

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

Serving size1 Vegetarian Capsule(s) Dosage formCapsule Servings per container100 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
520 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

No known
interactions
21 mg per serving Form: Porcine

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

Pepsin monograph & interactions

Other (inactive) ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Ascorbyl Palmitate. These complete the product’s ingredient list but are not active constituents.

Interaction report

Betaine Plus by Douglas Laboratories Drug Interactions

Want to check YOUR meds against Betaine Plus?

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 Betaine Plus interact with 36 drugs. Click any drug to see the details.

1 of the 2 ingredients in Betaine Plus 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 Betaine Plus 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 Betaine Plus, from the product label.

Douglas Laboratories

See all Douglas Laboratories products
Name
Douglas Laboratories
Street Address
600 Boyce Road
City
Pittsburgh
State
PA
ZipCode
15205
Phone Number
1.800.245.4440
Web Address
www.douglaslabs.com
Pharmacist Counseling Corner

Betaine Plus by Douglas Laboratories: Common Questions

Does Betaine Plus by Douglas Laboratories interact with any medications?
Yes. Based on its ingredients, Betaine Plus 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?
Betaine Plus 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.
Is it safe to take this if I have acid reflux?
No. Betaine hydrochloride increases stomach acid and is not safe for people with true acid reflux — it can trigger heartburn and make symptoms worse. Talk with your doctor or pharmacist about safer options.
Can I take this while pregnant?
There isn't enough safety information for betaine hydrochloride or pepsin during pregnancy. The data advises against it. Talk with your doctor or pharmacist for personalized advice.
What does pepsin do?
Pepsin is a digestive enzyme that helps break down protein in the stomach. It's generally well tolerated, though it may cause digestive upset or, rarely, allergic reactions in some people.
Will this work for my digestion problems?
The evidence for betaine hydrochloride supporting digestive complaints like indigestion hasn't been established in the data we hold. Talk with your doctor or pharmacist about what might actually help.
Can I take this while breastfeeding?
Safety data for both ingredients during breastfeeding is limited or absent. Use is not recommended without medical advice. Check with your doctor or pharmacist first.

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

Not sure if Betaine Plus is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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.

Betaine Plus label
Go deeper

The Full Monographs Behind Betaine Plus’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

Betaine Plus'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

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team