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Dietary supplement

Arabinogalactan Powder Ingredients & Drug Interactions

by Vital Nutrients

Arabinogalactan Powder label
See full label image
Powder Category: Fiber And Other Nutrients
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Arabinogalactan Powder 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

Arabinogalactan Powder is a dietary supplement by Vital Nutrients 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, Powder. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Arabinogalactan Powder by Vital Nutrients

Ask about any prescription or over-the-counter medication and we check it for interactions with Arabinogalactan Powder by Vital Nutrients — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Arabinogalactan Powder by Vital Nutrients

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 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: larch arabinogalactan, a fiber derived from larch tree wood. It's a soluble fiber that passes through your digestive system largely unchanged.

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 on arabinogalactan for common cold and cholesterol isn't established in our data — both are rated insufficient reliable evidence to rate. That doesn't mean it doesn't work; it means well-designed studies backing those uses aren't yet strong enough to make a confident call.

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.

Arabinogalactan is generally well tolerated as a fiber, though long-term safety data of high quality are limited. The most common side effects are bloating and flatulence — normal for people adding fiber to their diet.

There isn't enough safety data on this ingredient in pregnancy and lactation to know either way, so talk with your doctor or pharmacist before using it if you're pregnant, nursing, or planning to become pregnant.

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.

If you take any immunosuppressant medication — including cyclosporine, tacrolimus, mycophenolate, or similar drugs used after organ transplant or for autoimmune disease — check with your doctor or pharmacist before starting this product. A Moderate interaction is documented, and timing or dose adjustments might be needed.

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.

This powder might appeal to you if you're looking for a soluble fiber supplement and you don't take immunosuppressant medications. If you do take immune-suppressing drugs, check with your doctor or pharmacist first — the immunostimulant effects here could interfere with your treatment.

Either way, a conversation with your own healthcare provider will help you decide whether it's right for you.

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 24, 2024.

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 Arabinogalactan Powder, straight from the product label.

Brand Vital Nutrients
Barcode (UPC) 693465260111
Net contents 300 Gram(s); 10.6 Ounce(s)
Market status On market
Date entered into DSLD Jan 24, 2024
DSLD ID 304941
Product type Fiber And Other Nutrients
Supplement form Powder
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar 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 Arabinogalactan Powder by Vital Nutrients, 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 Gram(s)
Maximum serving Sizes:
2 Gram(s)
Servings per container
150
UPC/BARCODE
693465260111
IngredientAmount% DV
Arabinogalactan, Powder2000 mg--

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.
Storage

Store sealed in a cool dry place

Precautions

Keep out of reach of children

Use only if safety seal is intact

Warning If pregnant, consult your physician before taking.

Inner seal may lift off when cap is removed. Seal integrity is maintained until cap is removed.

Suggested/Recommended/Usage/Directions

Recommendations Take one teaspoon once or twice daily, or as directed by your healthcare professional.

Formulation

Excludes coatings, binders, gluten (wheat, rye, barley), milk/dairy (casein, whey), soy protein, egg protein, sugar. Verified by independent testing

Raw materials and finished products are independently tested by U.S. labs.

General Statements

Learn more at vitalnutrients.net

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

Arabinogalactan Powder by Vital Nutrients label

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

Arabinogalactan Powder 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 Arabinogalactan Powder by Vital Nutrients

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

Serving size2 Gram(s) Dosage formPowder Servings per container150 Amounts shown are per serving.

Arabinogalactan, Powder

Interacts with
121 drugs
2000 mg per serving Form: Eastern Larch

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, Powder monograph & interactions
Interaction report

Arabinogalactan Powder by Vital Nutrients Drug Interactions

Want to check YOUR meds against Arabinogalactan Powder?

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, Powder 121

Individual Drug Interactions

The ingredients in Arabinogalactan Powder interact with 121 drugs. Click any drug to see the details.

1 of the 1 ingredient in Arabinogalactan Powder interact with drugs. Each result below shows which ingredient is responsible. Arabinogalactan, Powder

Each ingredient & the kinds of drugs it affects

For each ingredient in Arabinogalactan Powder 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.

Arabinogalactan, Powder1 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, Powder full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Arabinogalactan Powder, from the product label.

Vital Nutrients

See all Vital Nutrients products
Name
Vital Nutrients
Street Address
45 Kenneth Dooley Dr
City
Middletown
State
CT
ZipCode
06457
Web Address
vitalnutrients.net
Pharmacist Counseling Corner

Arabinogalactan Powder by Vital Nutrients: Common Questions

Does Arabinogalactan Powder by Vital Nutrients interact with any medications?
Yes. Based on its ingredients, Arabinogalactan Powder 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?
Arabinogalactan Powder 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.
What is larch arabinogalactan and where does it come from?
It's a soluble fiber extracted from larch tree wood. It passes through your digestive system largely unchanged and is generally well tolerated.
Can this help with colds or cholesterol?
The evidence isn't strong enough yet to say. Both common cold and cholesterol management are rated insufficient reliable evidence to rate in our data.
What side effects might I have?
Most people tolerate it well, but some experience bloating and flatulence — typical for anyone adding fiber to their diet.
Is it safe to take if I'm pregnant or breastfeeding?
There isn't enough safety data on arabinogalactan in pregnancy and lactation to know either way. Talk with your doctor or pharmacist about whether to use it during pregnancy or while nursing.
I take medications to prevent organ rejection. Can I use this?
Not without checking first. Arabinogalactan may stimulate your immune system and interfere with how your immunosuppressant drugs work. Speak with your doctor or pharmacist before starting.

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

Not sure if Arabinogalactan Powder 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.

Arabinogalactan Powder label
Go deeper

The Full Monographs Behind Arabinogalactan Powder’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

Arabinogalactan Powder'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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