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

Lactase Enzyme Ingredients & Drug Interactions

by Nature's Way

Capsule Category: Non-nutrient/non-botanical
No known interaction
The interaction bottom line No known interaction

Lactase Enzyme 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 Lactase Enzyme 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.

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

This product contains one active ingredient: lactase, an enzyme that breaks down lactose (milk sugar) in your digestive tract. It's designed to help your body digest dairy products if you have trouble doing so naturally.

The capsule also contains inactive ingredients — cellulose, gelatin, and magnesium stearate — which are common binders and fillers.

Does it work?

Strong evidence
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
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Supports digestion of dairy and lactose.
  • We looked for evidence on: Lactose intolerance, Gas and bloating, Diarrhea from dairy, Stomach cramps.
  • The strongest evidence on file: Lactase is rated "Effective" for Lactose intolerance (Natural Medicines).

Lactase is effective for lactose intolerance, the condition where your body struggles to digest milk sugar. For other uses — prematurity and colic — the evidence we hold is insufficient to establish whether it works.

The evidence, ingredient by ingredient Lactase

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.

Lactase is generally well tolerated when you take it as directed. A rare allergic reaction to lactase powder has been reported in occupational exposure, but ingesting the enzyme in a capsule carries a different risk profile.

The product is likely safe in pregnancy and lactation, though the data is limited. Since it works only in your gut and doesn't enter your bloodstream, the safety bar is fairly low — but if you're pregnant, nursing, or planning regular use, check with your doctor or pharmacist first.

Side effects, ingredient by ingredient Lactase

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 ingredient we could check in this product.

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 have lactose intolerance and want relief, lactase enzyme is an effective, low-risk option with no known drug interactions. Pregnant or breastfeeding?

The data suggests it's likely safe, but talk to your pharmacist or doctor before you start, especially for regular use. It's a straightforward gut-working supplement — no systemic reach, no red flags.

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 Jun 25, 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 Lactase Enzyme, straight from the product label.

Brand Nature's Way
Barcode (UPC) 033674471104
Net contents 100 Capsule(s)
Market status On market
Date entered into DSLD Jun 25, 2025
DSLD ID 327990
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Children 4 or More Years of Age, Adult (18 - 50 Years), 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 Lactase Enzyme by Nature's Way, 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:
3 Capsule(s)
Servings per container
33
UPC/BARCODE
033674471104
IngredientAmount% DV
Lactase690 mg--

Other ingredients: Cellulose, Gelatin, Magnesium Stearate

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

Supports the digestion of dairy Helps prevent gas, bloating, and diarrhea associated with digesting dairy Helps break down lactose Lactose is a sugar naturally found in dairy Made with the quality you trust

Contains no soy, dairy, or artificial colors or flavors.

Quick dissolving capsule Helps prevent gas & bloating associated with digesting dairy

Bottled and tested in the USA

General Statements

Explore more products at naturesway.com

50% Bottle made from 50% post-consumer recycled plastic

Precautions

Keep out of reach of children.

Safety sealed with 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.

Storage

Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

FDA Disclaimer Statement

These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Formula

Digestive enzymes Targeted digestive enzymes

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommendation: Adults and children 12 years of age and older take 1 to 3 capsules as needed with first bite of food or beverages containing dairy.

Brand IP Statement(s)

Copyright 2024 Nature's Way Brands, LLC

See for yourself

Lactase Enzyme by Nature's Way label

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

What’s inside

The Ingredients in Lactase Enzyme 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 container33 Amounts shown are per serving.

Lactase

No known
interactions
690 mg per serving

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 & interactions

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

Interaction report

Lactase Enzyme by Nature's Way Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Lactase Enzyme. 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 Lactase Enzyme, 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
Pharmacist Counseling Corner

Lactase Enzyme by Nature's Way: Common Questions

Does Lactase Enzyme by Nature's Way interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Lactase Enzyme. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Lactase Enzyme 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.
Will this help with lactose intolerance?
Yes. Lactase is effective for lactose intolerance — it breaks down the milk sugar your body can't handle on its own.
Is lactase safe if I'm pregnant or breastfeeding?
The data we hold rates it likely safe in pregnancy and lactation. That said, the evidence is limited. Before you start, especially for regular use, check with your doctor or pharmacist for personalized advice.
Can lactase help with colic or premature infant feeding?
The evidence we hold is insufficient to establish whether lactase works for colic or prematurity, so we can't say either way. Talk to your pediatrician if you're considering it for your baby.
What's in this capsule besides the active ingredient?
The capsule contains cellulose, gelatin, and magnesium stearate — standard inactive ingredients used as binders and fillers.
Are there any side effects?
Lactase is generally well tolerated. A rare allergic reaction to lactase powder has been reported in occupational exposure, but it's not a common concern with normal use. If you notice any unusual symptoms, tell your pharmacist or doctor.

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

Not sure if Lactase Enzyme 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.

Lactase Enzyme label
Go deeper

The Full Monographs Behind Lactase Enzyme’s Ingredients

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

Sources

Sources & How We Checked

Lactase Enzyme'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 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
  1. 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

See these in context on the Lactase 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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