Lactase Digest Ingredients & Drug Interactions
by Source Naturals
What is this page for?
First and foremost: checking Lactase Digest 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
Lactase Digest is a dietary supplement by Source Naturals 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 Digest by Source Naturals
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
This product contains one active ingredient: lactase enzyme, which breaks down lactose (the sugar in milk and dairy) so your body can digest it. The rest of the capsule is made up of inactive ingredients — maltodextrin, hydroxypropyl methylcellulose, magnesium stearate, and silica — that serve as fillers, binders, and flow agents.
Does it work?
Strong evidence
Lactase Digest is effective for lactose intolerance, helping people digest dairy products. The evidence for its use in prematurity and colic is not established in the data we hold — there isn't enough reliable evidence to say whether it works for those.
How safe is it?
Well-documented data
Lactase enzyme is generally well tolerated when used as directed. A rare case of allergic reaction (contact dermatitis and allergic rhinitis) to powdered lactase has been reported in an occupational setting, but this is uncommon.
If you're pregnant or breastfeeding, the data suggests it's likely safe, though the safety notes advise checking with your doctor before regular use in pregnancy and confirming with your pharmacist first, since data is limited.
Meds to double-check
No known interactions
No interactions are documented for the ingredients we could check. That said, it's always smart to run your full medication list through the search tool on this page or mention this product to your pharmacist at your next visit.
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.
Lactase Digest is a straightforward option if you have trouble digesting lactose and want to eat dairy products. It's generally well tolerated and has no documented medication interactions.
If you're pregnant, breastfeeding, or take any regular medications, talk it over with your doctor or pharmacist to make sure it fits your situation.
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 Nov 22, 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
General information
Key facts about Lactase Digest, straight from the product label.
| Brand | Source Naturals |
|---|---|
| Barcode (UPC) | 021078023685 |
| Net contents | 180 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Nov 22, 2022 |
| DSLD ID | 274815 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years), 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 Lactase Digest by Source Naturals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Total Carbohydrate | 1 Gram(s) | 1% |
| Lactase Enzyme | 90 mg | -- |
Other ingredients: Maltodextrin, Hydroxypropyl Methylcellulose, Magnesium Stearate, Silica
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.
FDA Statement of Identity
Dietary Supplement
Formulation
For lactose intolerance
It is available in vegetarian capsules and is suitable for vegetarians.
Contains no dairy, egg, soy, sugar, salt, preservatives, or artificial color, flavor or fragrance.
Vegetarian capsules
Precautions
Contains wheat.
Caution: If you are pregnant, may become pregnant, breastfeeding, taking any time-release over-the-counter medication or any prescription drug, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Formula
Source Naturals Lactase Digest assists in the digestion of dairy products for people with lactose intolerance.
Lactase Digest provides the lactase enzyme that breaks down lactose and supports the relief of discomforts associated with dairy intolerance.
Suggested/Recommended/Usage/Directions
Suggested Use: 1 to 3 capsules at the start of a meal or snack containing dairy. Do not exceed 9 capsules daily.
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.
Brand IP Statement(s)
Copyright SOURCE NATURALS, INC.
General Statements
Lactose intolerance occurs in more than 50% of the world's population.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lactase Digest by Source Naturals 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 Lactase Digest by Source Naturals
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 container60 Amounts shown are per serving.
Lactase Enzyme
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 Enzyme monograph & interactionsOther (inactive) ingredients: Maltodextrin, Hydroxypropyl Methylcellulose, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.
Lactase Digest by Source Naturals Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Lactase Digest. 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 Lactase Digest, from the product label.
Source Naturals
- Name
- Source Naturals, Inc.
- Street Address
- P. O. Box 2118
- City
- Santa Cruz
- State
- CA
- ZipCode
- 95062
- Web Address
- www.sourcenaturals.com
Lactase Digest by Source Naturals: Common Questions
Does Lactase Digest by Source Naturals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Does lactase enzyme actually work for lactose intolerance?
Can I take this if I'm pregnant or breastfeeding?
Are there any side effects I should know about?
Will this help with colic in babies?
What else is in this capsule besides lactase?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Lactase Digest 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 Lactase Digest’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Lactase Digest'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