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Dietary supplement

Magnolia Select Ingredients & Drug Interactions

by Moss Nutrition

Magnolia Select label
See full label image
Capsule Category: Botanical
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 Magnolia Select 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

Magnolia Select is a dietary supplement by Moss Nutrition with 1 active ingredient. Its ingredients are commonly taken for anxiety and stress, sleep problems, digestive upset.Based on those ingredients, 351 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Magnolia Bark Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Magnolia Select by Moss Nutrition

Ask about any prescription or over-the-counter medication and we check it for interactions with Magnolia Select by Moss Nutrition — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Magnolia Select by Moss Nutrition

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 20, 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.

Magnolia Select contains one active ingredient: magnolia bark extract, derived from the magnolia plant. The extract includes the compounds honokiol and magnolol, which are responsible for its biological activity.

The capsule also contains three inactive ingredients — hypromellose, microcrystalline cellulose, and L-leucine — that serve as binders and flow agents.

Does it work?

Insufficient 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
Insufficient

There isn't enough reliable clinical evidence to rate this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: anxiety and stress relief.
  • We looked for evidence on: Anxiety, Stress, Sleep quality, Relaxation.
  • The closest evidence on file: Magnolia is rated "Insufficient Reliable Evidence To Rate" for Anxiety (Natural Medicines).
  • Also on file: Magnolia is rated "Insufficient Reliable Evidence To Rate" for Stress.

Magnolia bark extract is possibly effective for gingivitis (gum inflammation). For other uses — allergic rhinitis (hay fever), anxiety, and dental plaque — the evidence we hold is insufficient to rate.

That doesn't mean it doesn't work; it means the data isn't solid enough yet to say either way.

The evidence, ingredient by ingredient Magnolia

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.

Orally, magnolia bark is generally well tolerated. Human safety data is limited overall, so short-term use is the safest approach for most adults.

In clinical trials, a small number of participants using a combination product containing magnolia reported side effects like sexual dysfunction, shaking hands with numbness around the mouth, fatigue, and headache — though it's unclear whether magnolia was the cause. Magnolia is not recommended during pregnancy because safety data suggests it may affect the uterus.

There isn't enough safety information for breastfeeding either, so it's best avoided if you're nursing. Talk with your doctor or pharmacist about whether this supplement is right for your situation.

Side effects, ingredient by ingredient Magnolia

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 — Magnolia.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 351 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.

Before taking this product, check with your doctor or pharmacist if you're on blood thinners or antiplatelet drugs (like warfarin or aspirin) — magnolia may increase bleeding risk. Also double-check if you take CNS depressants such as sedatives, sleep aids, or certain pain relievers, as magnolia may add to their drowsy effect.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Magnolia Select may be worth considering if you have gingivitis and want to explore herbal options, but it's not right for everyone. If you take blood thinners, antiplatelet drugs, or sedatives, check with your doctor or pharmacist before starting — the interaction risk is real.

Pregnant and nursing people should avoid it. For any other questions about whether it fits your health picture, talk it over with your own healthcare provider.

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 Mar 22, 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 Magnolia Select, straight from the product label.

Brand Moss Nutrition
Barcode (UPC) M160
Net contents 120 Vegetarian Capsule(s)
Market status On market
Date entered into DSLD Mar 22, 2024
DSLD ID 309310
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten 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 Magnolia Select by Moss Nutrition, 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:
1 Capsule(s)
Servings per container
120
UPC/BARCODE
M160
IngredientAmount% DV
Magnolia Bark Extract200 mg--

Other ingredients: Hypromellose, Microcrystalline Cellulose, L-Leucine

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: 1 capsules per day or as directed by your healthcare professional.

Precautions

Warning: Do not use if pregnant or nursing. If you are taking medication, have a medical condition or an upcoming medical procedure, consult a physician before using.

If adverse reactions occur, discontinue use & consult your healthcare practitioner. May cause drowsiness. Avoid operating a car or other machinery after ingesting.

Keep out of reach of children.

Brand IP Statement(s)

Moss Nutrition Processional supplements est.1991

Formula

90% Honokiol + Magnolol

FDA Statement of Identity

Dietary Supplement

Formulation

Does not contain gluten.

Storage

Store sealed in a cool, dry place.

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

See for yourself

Magnolia Select by Moss Nutrition label

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

Magnolia Select 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 Magnolia Select by Moss Nutrition

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 container120 Amounts shown are per serving.

Magnolia Bark Extract

Interacts with
351 drugs
200 mg per serving Form: Honokiol, Magnolia officinalis Bark Extract, Magnolol

Magnolia bark and flower buds have a long history in traditional Chinese and Japanese medicine, often for stress, sleep, and digestion. Modern human r...

Magnolia Bark Extract monograph & interactions

Other (inactive) ingredients: Hypromellose, Microcrystalline Cellulose, L-Leucine. These complete the product’s ingredient list but are not active constituents.

Interaction report

Magnolia Select by Moss Nutrition Drug Interactions

Want to check YOUR meds against Magnolia Select?

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
351Drugs
351 Moderate

Ingredients driving the most interactions

Magnolia Bark Extract 351

Individual Drug Interactions

The ingredients in Magnolia Select interact with 351 drugs. Click any drug to see the details.

1 of the 1 ingredient in Magnolia Select interact with drugs. Each result below shows which ingredient is responsible. Magnolia Bark Extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Magnolia Select 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.

Magnolia Bark Extract2 drug types · 351 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, magnolia might have additive effects and increase the risk of bleeding when used with anticoagulant or antiplatelet drugs.
In vitro research shows that the chemicals magnolol and honokiol, isolated from magnolia bark, inhibit platelet aggregation that is experimentally induced by collagen and arachidonic acid. However, they do not inhibit platelet aggregation that is induced by adenosine diphosphate, platelet-activating factor, or thrombin. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Cns Depressants

Theoretically, concomitant use of large doses of magnolia bark and CNS depressants might have additive effects.
In vitro and animal research shows that constituents extracted from magnolia bark, especially honokiol and magnolol, have sedative effects. These effects may be due to the inhibition of catecholamine release and modulation of gamma-aminobutyric acid-A (GABA-A) receptors.

Likelihood Possible Evidence D
Magnolia Bark Extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Magnolia Select, from the product label.

Moss Nutrition

See all Moss Nutrition products
Name
Moss Nutrition Products, Inc.
Street Address
380 Russell Street
City
Hadley
State
MA
ZipCode
01035
Phone Number
800-851-5444
Web Address
www.mossnutrition.com
Pharmacist Counseling Corner

Magnolia Select by Moss Nutrition: Common Questions

Does Magnolia Select by Moss Nutrition interact with any medications?
Yes. Based on its ingredients, Magnolia Select has a known interaction with 351 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Magnolia Select 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.
Is magnolia bark safe to take long-term?
The safety data we have is limited, so short-term use is the safest bet for most adults. If you're thinking about taking it for weeks or months, talk with your doctor or pharmacist first.
Can I take this if I'm pregnant or breastfeeding?
No — the safety data for pregnancy suggests it may affect the uterus, so it's not recommended. There also isn't enough safety information for breastfeeding, so it's best avoided while nursing. Talk with your doctor or pharmacist about other options.
What does magnolia bark actually do?
It's possibly effective for gingivitis (inflamed gums). For anxiety, hay fever, and dental plaque, the evidence isn't solid enough yet to say whether it works.
What are the most common side effects?
Taken orally, magnolia seems well tolerated overall. When side effects do occur, they're rare and may include things like sexual dysfunction, fatigue, headache, or numbness — though in the trials we have data from, it's unclear whether magnolia was actually the cause.
Does this product have any fillers or binders?
Yes — in addition to magnolia bark extract, the capsule contains hypromellose, microcrystalline cellulose, and L-leucine. These are standard inactive ingredients that help form and stabilize the capsule.

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

Not sure if Magnolia Select 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.

Magnolia Select label
Go deeper

The Full Monographs Behind Magnolia Select’s Ingredients

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

Herb & supplement monograph

Magnolia

Interacts with 351 drugs

Magnolia bark and flower buds have a long history in traditional Chinese and Japanese medicine, often for stress, sleep, and digestion. Modern human research is still limited, so we can't be...

Read the full Magnolia monograph →
Sources

Sources & How We Checked

Magnolia Select'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 9 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.

Magnolia 9 references
  1. Kuribara H, Kishi E, Hattori N, et al. The anxiolytic effect of two oriental herbal drugs in Japan attributed to honokiol from magnolia bark. J Pharm Pharmacol 2000;52:1425-9. PubMed
  2. Tachikawa E, Takahashi M, Kashimoto T. Effects of extract and ingredients isolated from Magnolia obovata thunberg on catecholamine secretion from bovine adrenal chromaffin cells. Biochem Pharmacol 2000;60:433-40. PubMed
  3. Jung KY, Kim DS, Oh SR, et al. Magnone A and B, novel anti-PAF tetrahydrofuran lignans from the flower buds of Magnolia fargesii. J Nat Prod 1998;61:808-11.
  4. Garrison R, Chambliss WG. Effect of a proprietary Magnolia and Phellodendron extract on weight management: a pilot, double-blind, placebo-controlled clinical trial. Altern Ther Health Med 2006;12:50-4.
  5. Teng CM, Chen CC, Ko FN, et al. Two antiplatelet agents from Magnolia officinalis. Thromb Res 1988;50:757-65. PubMed
  6. Ghys K, De Palma A, Vandevenne A, Werbrouck J, Goossens A. Magnolia officinalis bark extract, a recently identified contact allergen in 'anti-ageing' cosmetics. Contact Dermatitis. 2015 Aug;73(2):130-2.
  7. Raison-Peyron N, Césaire A, Du-Thanh A, Dereure O. Allergic contact dermatitis caused by Magnolia officinalis bark extract in a facial anti-ageing cream. Contact Dermatitis. 2015 Jun;72(6):416-7.
  8. Nilausen TD, Johansen JD, Thyssen JP. Allergic contact dermatitis of the face caused by Magnolia officinalis bark extract. Contact Dermatitis. 2016;75(6):385-87.
  9. Amat-Samaranch V, López-Sánchez C, Tubau C, Puig L, Serra-Baldrich E. Vulvar allergic contact dermatitis caused by Magnolia officinalis bark extract. Contact Dermatitis 2022;87(1):96-97.

See these in context on the Magnolia 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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