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Dietary supplement

Immune Matters With ResistAid Ingredients & Drug Interactions

by Bricker Labs

Immune Matters With ResistAid label
See full label image
Tablet Or Pill Category: Fiber And Other Nutrients
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Immune Matters With ResistAid 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: Moderate

Immune Matters With ResistAid is a dietary supplement by Bricker Labs with 1 active ingredient. Its ingredients are commonly taken for immune support, cold and flu prevention, digestive and gut health.Based on those ingredients, 121 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Arabinogalactan. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Immune Matters With ResistAid by Bricker Labs

Ask about any prescription or over-the-counter medication and we check it for interactions with Immune Matters With ResistAid by Bricker Labs — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Immune Matters With ResistAid by Bricker 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 Aug 6, 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.

Immune Matters With ResistAid contains one active ingredient: larch arabinogalactan, a fiber extracted from larch wood that's believed to support immune function. The tablet also includes inactive ingredients—microcrystalline cellulose, dicalcium phosphate, tricalcium phosphate, stearic acid, silicon dioxide, and magnesium stearate—which are standard binders and fillers that help hold the tablet together.

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

This is a single-ingredient Larch Arabinogalactan product and its label doesn't state a use — see Larch Arabinogalactan's own graded uses on its monograph.

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 larch arabinogalactan is not yet established. We have insufficient reliable evidence to rate it for the common cold or high cholesterol (hyperlipidemia), the two main uses people ask about.

That doesn't mean it doesn't work—it means the research so far isn't strong enough to say one way or the other. If you're considering it for either of those reasons, talk it over with your doctor.

The evidence, ingredient by ingredient Larch Arabinogalactan

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.

Larch arabinogalactan is generally well tolerated as a fiber, though long-term safety data are limited. The most common side effect is gastrointestinal: some people experience bloating and flatulence as the fiber moves through the digestive system.

Because safety data are not extensive, talk with your doctor or pharmacist before starting it, especially if you have any ongoing health concerns. We don't have enough data to determine safety during pregnancy or breastfeeding, so guidance from your healthcare provider is important if you're pregnant or nursing.

Side effects, ingredient by ingredient Larch Arabinogalactan

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Larch Arabinogalactan.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: immunosuppressants / transplant drugs.
  • For scale: 121 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.

Immunosuppressant medications are the main concern. These include drugs given after organ transplants (like cyclosporine and tacrolimus) and for autoimmune diseases (like mycophenolate and azathioprine).

The interaction is Moderate—larch arabinogalactan might reduce how well these drugs work by revving up your immune system at the same time. Check your exact medications with your doctor or pharmacist before you take this.

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. Moderate medication interactions have been identified, and safety information is well characterized.

If you take an immunosuppressant medication—for a transplant, rheumatoid arthritis, or another autoimmune condition—you need to clear this product with your doctor or pharmacist first. For everyone else without that concern, it's generally well tolerated, though bloating and gas can happen.

The evidence for it working against colds or high cholesterol isn't strong yet. Check with your own doctor before you start, especially if you're on any regular medications or are pregnant or breastfeeding.

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 20, 2017.

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 Immune Matters With ResistAid, straight from the product label.

Brand Bricker Labs
Barcode (UPC) 042239341608
Net contents 60 Tablet(s)
Market status On market
Date entered into DSLD Nov 20, 2017
DSLD ID 80605
Product type Fiber And Other Nutrients
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, 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 Immune Matters With ResistAid by Bricker 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:
2 Tablet(s)
Maximum serving Sizes:
2 Tablet(s)
Servings per container
30
UPC/BARCODE
042239341608
IngredientAmount% DV
Arabinogalactan1500 mg--

Other ingredients: Microcrystalline Cellulose, Dicalcium Phosphate, Tricalcium Phosphate, Stearic Acid, Silicon Dioxide, 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.
Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take two (2) tablets daily, between meals, or as directed by your healthcare professional.

Precautions

Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.

Tamper Evident - Do not use if inner seal is broken or missing.

Keep out of reach of children.

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.

Storage

Store product in a cool, dry place. Keep out of sunlight.

Brand IP Statement(s)

ResistAid is a trademark of Lonza Ltd, Switzerland.

General Statements

Made in the USA

Science that makes sense

Helps arm your natural defenses

Daily triple action immune support

General

GH

Formula

ResistAid

FDA Statement of Identity

Dietary Supplement

Formulation

Free Of: Milk, egg, fish, crustacean shellfish, tree nuts, wheat, peanuts and soybeans

Vegetarian

Gluten-free

Vegan

Non-GMO

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

See for yourself

Immune Matters With ResistAid by Bricker Labs label

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

Immune Matters With ResistAid 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 Immune Matters With ResistAid by Bricker Labs

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

Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container30 Amounts shown are per serving.

Arabinogalactan

Interacts with
121 drugs
1500 mg per serving Form: Larch Trees

Larch arabinogalactan is a soluble fiber from larch trees that is mainly used as a prebiotic and for immune support. Early research is interesting but...

Arabinogalactan monograph & interactions

Other (inactive) ingredients: Microcrystalline Cellulose, Dicalcium Phosphate, Tricalcium Phosphate, Stearic Acid, Silicon Dioxide, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.

Interaction report

Immune Matters With ResistAid by Bricker Labs Drug Interactions

Want to check YOUR meds against Immune Matters With ResistAid?

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
121Drugs
121 Moderate

Ingredients driving the most interactions

Arabinogalactan 121

Individual Drug Interactions

The ingredients in Immune Matters With ResistAid interact with 121 drugs. Click any drug to see the details.

1 of the 1 ingredient in Immune Matters With ResistAid interact with drugs. Each result below shows which ingredient is responsible. Arabinogalactan

Each ingredient & the kinds of drugs it affects

For each ingredient in Immune Matters With ResistAid 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.

Arabinogalactan1 drug type · 121 drugs

Immunosuppressants

Theoretically, larch arabinogalactan might interfere with immunosuppression therapy due to immunostimulant effects. Immunosuppressant drugs include azathioprine (Imuran), basiliximab (Simulect), cyclosporine (Neoral, Sandimmune), daclizumab (Zenapax), muromonab-CD3 (OKT3, Orthoclone OKT3), mycophenolate (CellCept), tacrolimus (FK506, Prograf), sirolimus (Rapamune), prednisone (Deltasone, Orasone), corticosteroids (glucocorticoids), and other drugs.

Likelihood Possible Evidence D
Arabinogalactan full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Immune Matters With ResistAid, from the product label.

Bricker Labs

See all Bricker Labs products
Name
BRICKER LABS
City
Chandler
State
AZ
ZipCode
85255
Phone Number
1-800-274-2537
Web Address
www.brickerlabs.com
Pharmacist Counseling Corner

Immune Matters With ResistAid by Bricker Labs: Common Questions

Does Immune Matters With ResistAid by Bricker Labs interact with any medications?
Yes. Based on its ingredients, Immune Matters With ResistAid has a known interaction with 121 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Immune Matters With ResistAid 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 me avoid catching a cold?
We don't have enough reliable evidence yet to say whether larch arabinogalactan prevents colds or makes them milder. The research so far hasn't been strong enough to draw firm conclusions.
What's arabinogalactan, anyway?
It's a type of fiber that comes from larch wood. Your body doesn't digest it the way it digests other food, but it can feed the bacteria in your gut and potentially support immune function—though the evidence for that isn't settled.
Can this cause side effects?
Most people tolerate it well. Some experience bloating and flatulence because it's a fiber and affects how your digestive system works. Starting with a smaller amount and building up can sometimes help.
Is it safe to take while I'm pregnant or breastfeeding?
We don't have enough safety data to know either way. Talk with your doctor or pharmacist about whether this product makes sense for you during pregnancy or nursing—they can weigh your individual situation.
Why do I need to be careful if I take an immunosuppressant?
Larch arabinogalactan is thought to stimulate your immune system, while immunosuppressants are meant to quiet it down. Taking both together might work against each other, which is why your doctor or pharmacist needs to weigh in first.

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

Not sure if Immune Matters With ResistAid is safe with your meds?

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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.

Immune Matters With ResistAid label
Go deeper

The Full Monographs Behind Immune Matters With ResistAid’s Ingredients

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

Herb & supplement monograph

Larch Arabinogalactan

Interacts with 121 drugs

Larch arabinogalactan is a soluble fiber from larch trees that is mainly used as a prebiotic and for immune support. Early research is interesting but limited, and most claims are not yet fi...

Read the full Larch Arabinogalactan monograph →
Sources

Sources & How We Checked

Immune Matters With ResistAid'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 8 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.

Larch Arabinogalactan 8 references
  1. D'Adamo P. Larch arabinogalactan. J Naturopath Med 1996;6:33-7.
  2. Kelly GS. Larch arabinogalactan: Clinical relevance of a novel immune-enhancing polysaccharide. Alt Med Rev 1999;4:96-103.
  3. Marett R, Slavin JL. No long-term benefits of supplementation with arabinogalactan on serum lipids and glucose. J Am Diet Assoc 2004;104:636-9.
  4. Robinson RR, Feirtag J, Slavin JL. Effects of dietary arabinogalactan on gastrointestinal and blood parameters in healthy human subjects. J Am Coll Nutr 2001;20:279-85. PubMed
  5. Udani JK, Singh BB, Barrett ML, Singh VJ. Proprietary arabinogalactan extract increases antibody response to the pneumonia vaccine: a randomized, double-blind, placebo-controlled, pilot study in healthy volunteers. Nutr J 2010;9:32. PubMed
  6. Grube B, Stier H, Riede L, Gruenwald J. Tolerability of a proprietary larch arabinogalactan extract: a randomized, double-blind, placebo-controlled clinical trial in healthy subjects. Food Nutr Sci 2012;3:1533-8. DOI
  7. Dion C, Chappuis E, Ripoll C. Does larch arabinogalactan enhance immune function? A review of mechanistic and clinical trials. Nutr Metab (Lond) 2016;13:28. PubMed
  8. Riede L, Grube B, Gruenwald J. Larch arabinogalactan effects on reducing incidence of upper respiratory tract infections. Curr Med Res Opin 2013;29(3):251-8.

See these in context on the Larch Arabinogalactan 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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