Dairy Defense Ingredients & Drug Interactions
by Nature's Way
What is this page for?
First and foremost: checking Dairy Defense 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
Dairy Defense is a dietary supplement by Nature's Way with 1 active ingredient. Its ingredients are commonly taken for lactose intolerance, gas and bloating after dairy, diarrhea from dairy foods.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 Dairy Defense 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.
What’s inside
Full disclosure
Dairy Defense contains one active ingredient: lactase, an enzyme that your small intestine naturally produces to digest lactose, the main carbohydrate in milk and dairy products. When your body doesn't make enough lactase on its own, this supplement fills that gap so you can digest dairy without discomfort.
The capsule also contains inactive ingredients (cellulose, gelatin, and magnesium stearate) that help form and deliver the enzyme.
Does it work?
Strong evidence
Lactase is effective for lactose intolerance — the most common reason people use this supplement. The data we hold doesn't establish whether it helps with colic or prematurity, so we can't make a claim there.
How safe is it?
Well-documented data
Lactase is generally well tolerated when you use it as directed. A rare case of contact dermatitis and allergic rhinoconjunctivitis has been reported in a worker exposed to powdered lactase, so if you have a known allergy to the enzyme itself, this product isn't for you.
For pregnancy and breastfeeding, the safety data rates lactase as likely safe, though the notes suggest checking with your doctor before regular use during pregnancy and asking your pharmacist first if you're nursing, since the data is limited.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredients we could check in Dairy Defense. If you take any prescription medications, use the search tool on this page to run them through anyway.
The bottom line
Scorecard at a glanceFully disclosed formula with clinical evidence supporting its stated purpose. No medication interactions are currently documented, and safety information is well characterized.
If you're lactose intolerant and want to enjoy dairy without bloating or cramping, lactase enzyme supplements like this one are a well-established choice. People who are pregnant, breastfeeding, or unsure whether they're allergic to lactase should touch base with their doctor or pharmacist first.
Since this product doesn't interact with documented medications, it fits easily into most routines — just check with us about your specific medications to be sure.
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 Jan 25, 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
General information
Key facts about Dairy Defense, straight from the product label.
| Brand | Nature's Way |
|---|---|
| Barcode (UPC) | 033674127209 |
| Net contents | 90 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jan 25, 2020 |
| DSLD ID | 213833 |
| 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 |
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 Dairy Defense by Nature's Way, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Lactase | 690 mg | -- |
Other ingredients: Cellulose, Gelatin, Magnesium Stearate
Tap any ingredient to jump to its full detail below.
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.
Storage
Keep cool to protect potency.
Store in a cool, dry place.
Precautions
Keep out of reach of children.
Safety sealed with printed inner seal. Do not use if seal is broken or missing.
If you are pregnant, nursing, or taking any medications, consult a healthcare professional before use.
Formulation
Gluten free. No sugar, salt, yeast, wheat, soy, dairy products, or artificial colors, flavors, or preservatives.
Digestive
Helps Digest Dairy
Seals/Symbols
Quality Global Sourcing Bottled & Tested In the USA
FDA Disclaimer Statement
This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
General Statements
Nature’s Way Since 1969
Formula
With Lactase
FDA Statement of Identity
Dietary supplement
Suggested/Recommended/Usage/Directions
Recommendation: Take 1 to 3 capsules as needed just prior to eating foods or beverages containing dairy products.
Brand IP Statement(s)
2019 Nature’s Way Brands, LLC
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Dairy Defense by Nature's Way label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Dairy Defense by Nature's Way
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 container30 Amounts shown are per serving.
Lactase
No knowninteractions
Lactase is a digestive enzyme supplement that helps people who lack enough natural lactase break down lactose, the sugar in milk and dairy. It can red...
Lactase monograph & interactionsOther (inactive) ingredients: Cellulose, Gelatin, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
Dairy Defense by Nature's Way Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Dairy Defense. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Dairy Defense, 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
Dairy Defense by Nature's Way: Common Questions
Does Dairy Defense by Nature's Way interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What does lactase do?
Is Dairy Defense safe if I'm pregnant or breastfeeding?
Can I take this with my medications?
Does it work for infant colic?
Are there any side effects?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Dairy Defense is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Dairy Defense’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Dairy Defense'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 1 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.
Lactase 1 reference
- Laukkanen A, Ruoppi P, Remes S, Koistinen T, Mäkinen-Kiljunen S. Lactase-induced occupational protein contact dermatitis and allergic rhinoconjunctivitis. Contact Dermatitis. 2007;57(2):89-93. PubMed
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