Joint Health Ingredients & Drug Interactions
by GNC Mega Men
What is this page for?
First and foremost: checking Joint Health 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
Joint Health is a dietary supplement by GNC Mega Men with 1 active ingredient. Its ingredients are commonly taken for digestive and gut health, source of soluble fiber, constipation or bowel regularity.Based on those ingredients, 2,187 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Acacia catechu wood & bark extract and Chinese Skullcap root extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Joint Health by GNC Mega Men
Ask about any prescription or over-the-counter medication and we check it for interactions with Joint Health by GNC Mega Men — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Joint Health by GNC Mega Men
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
Low disclosure
This product has two active ingredients. The first is catechu, an extract from Acacia catechu wood and bark.
The second is Baikal skullcap, an extract from the Chinese Scutellaria baicalensis root. Both are herbal extracts traditionally used for joint and general health support.
The remaining ingredients — microcrystalline cellulose, gelatin, hydroxypropylcellulose, stearic acid, magnesium stearate, and silicon dioxide — are inactive ingredients (fillers, binders, and capsule material) that hold the product together.
Does it work?
Not established
The evidence for catechu in exercise-induced muscle soreness and osteoarthritis is insufficient to rate — we don't have reliable data showing it works for these uses. Similarly, Baikal skullcap has been studied for allergic rhinitis, anxiety, atherosclerosis, ADHD, prostate cancer, and headache, but the evidence for each is rated insufficient — we lack reliable data to confirm benefit for any of them.
If you're considering this product for joint health specifically, the data we hold doesn't establish that either ingredient is effective for that purpose.
How safe is it?
Well-documented data
Catechu is likely fine for short-term use in food-like amounts, but safety data on concentrated supplements are limited in humans. Baikal skullcap is generally well tolerated when taken by mouth; the most common side effects are gastrointestinal (abdominal pain, constipation, diarrhea, nausea, vomiting) and skin reactions (rash, itching).
Rare serious adverse effects including liver damage and a lung condition called hypersensitivity pneumonitis have been reported with a specific combination product containing both ingredients — though this was in a product called Limbrel at higher doses, it signals caution with these extracts. During pregnancy, safety data for both ingredients are insufficient — the product should be avoided.
While breastfeeding, catechu may be okay, but Baikal skullcap safety is unknown and should be avoided.
Meds to double-check
Moderate interaction found
Before taking GNC Mega Men Joint Health, double-check your medications with your pharmacist if you take blood thinners (anticoagulants and antiplatelet drugs), blood pressure medications, diabetes drugs, CYP1A2 or CYP2C19 substrates (including theophylline), thyroid or antithyroid drugs, estrogen products, lithium, or immunosuppressants. Altogether, these interactions span 1,026 individual medications.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.
This product pairs two herbal extracts with limited evidence for joint health and moderate interactions across over a thousand medications. If you take blood pressure drugs, blood thinners, diabetes or thyroid medications, lithium, estrogen, or any immunosuppressant, talk to your pharmacist before starting.
Anyone pregnant or breastfeeding should check with their doctor first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jun 24, 2020.
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 Joint Health, straight from the product label.
| Brand | GNC Mega Men |
|---|---|
| Net contents | 30 Pack(s) |
| Market status | On market |
| Date entered into DSLD | Jun 24, 2020 |
| DSLD ID | 220275 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult Male (18-50 Years) |
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 Joint Health by GNC Mega Men, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Acacia catechu wood & bark extract | 0 NP | -- |
| Acacia catechu wood & bark extract and Chinese Skullcap root extract | 250 mg | -- |
| Chinese Skullcap (Scutellaria baicalensis) root extract | 0 NP | -- |
Other ingredients: Microcrystalline Cellulose, Gelatin, Hydroxypropylcellulose, Stearic Acid, Magnesium Stearate, Silicon Dioxide
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.
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take the contents of one pack daily with food. For maximum benefits, take as directed every day.
General Statements
Each pack contains: Joint Health
For more information: 1-888-462-2548
Our Quality Commitment To You Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find a replacement product that is right for you.
30-day supply Whole Body
Formulation
Conforms to <2091> for weight. Meets USP <2040> disintegration.
No artificial flavors.
Our most comprehensive Vitapak program that provides support for both wellness and performance
Targets 13 core functions for head-to-toe support Clinically studied
Precautions
Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov.
Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Discontinue use two weeks prior to surgery.
Keep out of reach of children.
Storage
Store in a cool, dry place.
FDA Statement of Identity
Dietary Supplement
Formula
Vitapak program with clinically studied multivitamin blend
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Joint Health by GNC Mega Men 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 Joint Health by GNC Mega Men
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Amounts shown are per serving.
Acacia catechu wood & bark extract and Chinese Skullcap root extract
Interacts with2,022 drugs
Gum arabic is a soluble dietary fiber from the acacia tree that is widely used as a safe food additive and is sometimes taken as a supplement for dige...
Acacia catechu wood & bark extract and Chinese Skullcap root extract monograph & interactionsOther (inactive) ingredients: Microcrystalline Cellulose, Gelatin, Hydroxypropylcellulose, Stearic Acid, Magnesium Stearate, Silicon Dioxide. These complete the product’s ingredient list but are not active constituents.
Joint Health by GNC Mega Men Drug Interactions
HelloPharmacist Interaction Report
GNC Mega Men Joint Health contains two active ingredients, both of which have documented interactions with medications.
The most serious concern involves blood thinners (anticoagulants and antiplatelet drugs) — Baikal skullcap may increase bleeding risk when combined with these medications, a Moderate-severity interaction.
Read the full breakdown — every affected drug type, severity by severity
Both ingredients interact with blood pressure medications (antihypertensives). Catechu and Baikal skullcap can each lower blood pressure, so taking either with blood pressure drugs could push your pressure too low.
Additionally, both ingredients affect how your liver processes certain drugs: catechu may increase levels of theophylline and other CYP1A2 substrates (Moderate), while Baikal skullcap affects both CYP1A2 and CYP2C19 substrates (Moderate for both). Baikal skullcap also carries Moderate interactions with diabetes medications, thyroid drugs, antithyroid drugs, estrogen products, and lithium — it may enhance blood sugar lowering, interfere with thyroid management, affect hormone therapy, and raise lithium levels.
Catechu may interfere with immunosuppressant drugs (Moderate).
Alternately, there is one ingredient — the blend of catechu and Baikal skullcap listed as a group container — whose individual interaction data we have already covered under its separate components. Altogether, these interactions span 1,026 individual medications.
Run your exact medications through the checker on this page before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Joint Health?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Joint Health interact with 2,187 drugs. Click any drug to see the details.
1 of the 1 ingredient in Joint Health interact with drugs. Each result below shows which ingredient is responsible. Acacia catechu wood & bark extract and Chinese Skullcap root extract
Caffeine, Potassium Salicylate, SalicylamideTrim-Elim
How Caffeine, Potassium Salicylate, Salicylamide interacts with Joint Health — through 3 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Caffeine, Potassium Salicylate, Salicylamide interactionAcacia Catechu Wood & Bark ExtractCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, black catechu may increase the levels and clinical effects of CYP1A2 substrates.
Read the full Acacia Catechu Wood & Bark Extract + Caffeine, Potassium Salicylate, Salicylamide interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, Baikal skullcap may increase levels of drugs metabolized by CYP1A2 enzymes.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Caffeine, Potassium Salicylate, Salicylamide interactionCalcifediolRayaldee
How Calcifediol interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Calcifediol interactionCalcitoninCalcimar, Miacalcin
How Calcitonin interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Calcitonin interactionCalcium CarbonateAdcal, Adcal-D3, Calcichew, Os-Cal, Tums
How Calcium Carbonate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Calcium Carbonate interactionCalcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium OxybateXywav
How Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate interactionCalcium PolycarbophilBayer
How Calcium Polycarbophil interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Calcium Polycarbophil interactionCamphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, ValerianNevrotose #3
How Camphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, Valerian interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Camphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, Valerian interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractCns Depressants Minor
Interaction Summary
Theoretically, Baikal skullcap might cause additive therapeutic and adverse effects when used concomitantly with drugs with sedative properties.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Camphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, Valerian interactionCanagliflozinInvokana
How Canagliflozin interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Chinese Skullcap (scutellaria Baicalensis) Root ExtractAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antidiabetes drugs might enhance blood glucose lowering effects.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Canagliflozin interactionAcacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Canagliflozin interactionCanagliflozin, MetforminInvokamet
How Canagliflozin, Metformin interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Chinese Skullcap (scutellaria Baicalensis) Root ExtractAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antidiabetes drugs might enhance blood glucose lowering effects.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Canagliflozin, Metformin interactionAcacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Canagliflozin, Metformin interactionCanagliflozin, Metformin HydrochlorideInvokamet XR
How Canagliflozin, Metformin Hydrochloride interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Canagliflozin, Metformin Hydrochloride interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antidiabetes drugs might enhance blood glucose lowering effects.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Canagliflozin, Metformin Hydrochloride interactionCandesartan CilexetilAmias, Atacand
How Candesartan Cilexetil interacts with Joint Health — through 3 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use with antihypertensive drugs might increase the risk of hypotension.
Read the full Acacia Catechu Wood & Bark Extract + Candesartan Cilexetil interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antihypertensive drugs might have additive effects and increase the risk of hypotension.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Candesartan Cilexetil interactionAcacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Candesartan Cilexetil interactionCandesartan Cilexetil, HydrochlorothiazideAtacand HCT
How Candesartan Cilexetil, Hydrochlorothiazide interacts with Joint Health — through 3 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Candesartan Cilexetil, Hydrochlorothiazide interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antihypertensive drugs might have additive effects and increase the risk of hypotension.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Candesartan Cilexetil, Hydrochlorothiazide interactionAcacia Catechu Wood & Bark ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use with antihypertensive drugs might increase the risk of hypotension.
Read the full Acacia Catechu Wood & Bark Extract + Candesartan Cilexetil, Hydrochlorothiazide interactionCangrelorKengreal
How Cangrelor interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Chinese Skullcap (scutellaria Baicalensis) Root ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Baikal skullcap might increase the risk of bleeding when used concomitantly with anticoagulant and antiplatelet drugs.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Cangrelor interactionCannabidiol (prescription Drug)Epidiolex
How Cannabidiol (prescription Drug) interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Cannabidiol (prescription Drug) interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractCytochrome P450 2c19 (cyp2c19) Substrates, Cns Depressants Moderate
Interaction Summary
Theoretically, Baikal skullcap might increase levels of drugs metabolized by CYP2C19 enzymes.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Cannabidiol (prescription Drug) interactionCannabis Sativa, Thc (prescription Drug)Sativex
How Cannabis Sativa, Thc (prescription Drug) interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Cannabis Sativa, Thc (prescription Drug) interactionCapecitabineXeloda
How Capecitabine interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Capecitabine interactionCapivasertibTruqap
How Capivasertib interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Capivasertib interactionCapmatinib HydrochlorideTabrecta
How Capmatinib Hydrochloride interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Capmatinib Hydrochloride interactionCaptoprilAcepril, Capoten
How Captopril interacts with Joint Health — through 3 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use with antihypertensive drugs might increase the risk of hypotension.
Read the full Acacia Catechu Wood & Bark Extract + Captopril interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antihypertensive drugs might have additive effects and increase the risk of hypotension.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Captopril interactionAcacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Captopril interactionCaptopril, HydrochlorothiazideAcezide, Capozide
How Captopril, Hydrochlorothiazide interacts with Joint Health — through 3 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Captopril, Hydrochlorothiazide interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use of Baikal skullcap with antihypertensive drugs might have additive effects and increase the risk of hypotension.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Captopril, Hydrochlorothiazide interactionAcacia Catechu Wood & Bark ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, concomitant use with antihypertensive drugs might increase the risk of hypotension.
Read the full Acacia Catechu Wood & Bark Extract + Captopril, Hydrochlorothiazide interactionCaramiphen Edisylate, PhenylpropanolamineOrdrine AT, Tuss-Ornade
How Caramiphen Edisylate, Phenylpropanolamine interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Caramiphen Edisylate, Phenylpropanolamine interactionCarbacholCarbastat
How Carbachol interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbachol interactionCarbamateCarbamate
How Carbamate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbamate interactionCarbamazepineCarbatrol, Carnexiv, Equetro, Tegretol, Tegretol XR
How Carbamazepine interacts with Joint Health — through 2 ingredients. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbamazepine interactionChinese Skullcap (scutellaria Baicalensis) Root ExtractCns Depressants Minor
Interaction Summary
Theoretically, Baikal skullcap might cause additive therapeutic and adverse effects when used concomitantly with drugs with sedative properties.
Read the full Chinese Skullcap (scutellaria Baicalensis) Root Extract + Carbamazepine interactionCarbenicillin Indanyl SodiumGeocillin
How Carbenicillin Indanyl Sodium interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbenicillin Indanyl Sodium interactionCarbetapentane Tannate, Chlorpheniramine TannateTussi-12
How Carbetapentane Tannate, Chlorpheniramine Tannate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbetapentane Tannate, Chlorpheniramine Tannate interactionCarbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine TannateQuadratuss, Ry Tuss, Rynatuss, Tri Tannate Plus
How Carbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine Tannate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbetapentane Tannate, Chlorpheniramine Tannate, Ephedrine Tannate, Phenylephrine Tannate interactionCarbetapentane, Chlorpheniramine, PhenylephrineRicotuss
How Carbetapentane, Chlorpheniramine, Phenylephrine interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbetapentane, Chlorpheniramine, Phenylephrine interactionCarbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium GuaiacolsulfonateCophene-X
How Carbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium Guaiacolsulfonate interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbetapentane, Chlorpheniramine, Phenylephrine, Phenylpropanolamine, Potassium Guaiacolsulfonate interactionCarbidopaLodosyn
How Carbidopa interacts with Joint Health — through 1 ingredient. Tap an ingredient for the detail:
Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root ExtractOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Catechu Wood & Bark Extract And Chinese Skullcap Root Extract + Carbidopa interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Joint Health 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.
Acacia catechu wood & bark extract and Chinese Skullcap root extract
Amoxicillin (Amoxil, Trimox)
Gum arabic can reduce the absorption of amoxicillin.
A small study in healthy volunteers shows that taking amoxicillin and gum arabic concurrently significantly reduces the absorption of amoxicillin. Separate doses of amoxicillin from gum arabic by at least 2 hours.
Oral Drugs
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Gum arabic has been used as a suspending osmotic agent in drug formulations. It might improve bioavailability of water-insoluble drugs like naproxen, but reduce absorption of polar drugs like amoxicillin. To avoid changes in absorption, take gum arabic 30-60 minutes after oral medications.
Brand information
Manufacturer and brand details for Joint Health, from the product label.
GNC Mega Men
See all GNC Mega Men products- Name
- General Nutrition Corporation
- City
- Pittsburgh
- State
- PA
- ZipCode
- 15222
- Phone Number
- 1-888-462-2548
- Web Address
- gnc.com
Joint Health by GNC Mega Men: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.
The Full Monographs Behind Joint Health’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Gum Arabic
Interacts with 2,022 drugsGum arabic is a soluble dietary fiber from the acacia tree that is widely used as a safe food additive and is sometimes taken as a supplement for digestive health and as a prebiotic. Early s...
Read the full Gum Arabic monograph → Herb & supplement monographCatechu
Interacts with 475 drugsCatechu is an astringent extract made from the heartwood of the Acacia (Senegalia) catechu tree, used traditionally for mouth sores, sore throat, diarrhea, and minor skin problems. Strong hu...
Read the full Catechu monograph → Herb & supplement monographBaikal Skullcap
Interacts with 946 drugsBaikal skullcap is a traditional Chinese herb (Huang Qin) used for inflammation, allergies, and infections, with active compounds like baicalin and baicalein studied mostly in the lab. Human...
Read the full Baikal Skullcap monograph →Sources & How We Checked
Joint Health'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 51 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.
Catechu 9 references
- Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
- Sham JS, Chiu KW, Pang PK. Hypotensive action of Acacia catechu. Planta Med 1984;50:177-80.
- Chalasani N, Vuppalanchi R, Navarro V, et al. Acute liver injury due to flavocoxid (Limbrel), a medical food for osteoarthritis: a case series. Ann Intern Med 2012;156:857-60. PubMed
- Reichenbach S, Juni P. Medical food and food supplements: not always as safe as generally assumed. Ann Intern Med 2012;156:894-5. PubMed
- PL-Detail Document, Liver Toxicity and Limbrel. Pharmacist's Letter/Prescriber's Letter. September 2012.
- Al-Mohizea AM, Raish M, Ahad A, et al. Pharmacokinetic interaction of Acacia catechu with CYP1A substrate theophylline in rabbits. J Tradit Chin Med 2015;35(5):588-93. PubMed
- Papafragkakis C, Ona MA, Reddy M, et al. Acute hepatitis after ingestion of a preparation of chinese skullcap and black catechu for joint pain. Case Reports Hepatol 2016;2016:4356749. PubMed
- Sunil MA, Sunitha VS, Ashitha A, et al. Catechin rich butanol fraction extracted from Acacia catechu L. (a thirst quencher) exhibits immunostimulatory potential. J Food Drug Anal. 2019;27(1):195-207. PubMed
- US Food and Drug Administration (FDA). FDA Alerts Consumers About Potentially Life-Threatening Health Problems Linked to Limbrel. December 19, 2017. Available at: https://www.fda.gov/food/alerts-advisories-safety-information/fda-alerts-consumers-about-pot
Gum Arabic 8 references
- Jensen CD, Spiller GA, Gates JE, et al. The effect of acacia gum and a water-soluble dietary fiber mixture on blood lipids in humans. J Am Coll Nutr 1993;12:147-54. PubMed
- Eltayeb IB, Awad AI, Elderbi MA, Shadad SA. Effect of gum arabic on the absorption of a single oral dose of amoxicillin in healthy Sudanese volunteers. J Antimicrob Chemother 2004;54:577-8. PubMed
- Babiker R, Merghani TH, Elmusharaf K, et al. Effects of gum Arabic ingestion on body mass index and body fat percentage in healthy adult females: two-arm randomized, placebo controlled, double-blind trial. Nutr J 2012;11:111. PubMed
- Babiker R, Elmusharaf K, Keogh MB, Banaga AS, Saeed AM. Metabolic effect of gum Arabic (Acacia senegal) in patients with type 2 diabetes mellitus (T2DM): randomized, placebo controlled double blind trial. Functional Foods in Health and Disease. 2017;7(3): DOI
- Beneke CE, Viljoen AM, Hamman JH. Polymeric plant-derived excipients in drug delivery. Molecules. 2009;14(7):2602-20. PubMed
- Ali NE, Kaddam LA, Alkarib SY, et al. Gum Arabic (Acacia Senegal) Augmented Total Antioxidant Capacity and Reduced C-Reactive Protein among Haemodialysis Patients in Phase II Trial. Int J Nephrol. 2020;2020:7214673.
- Mortensen A, Aguilar F, Crebelli R, et al. Re-evaluation of acacia gum (E 414) as a food additive. EFSA J. 2017;15(4):e04741. PubMed
- Larson R, Nelson C, Korczak R, et al. Acacia Gum Is Well Tolerated While Increasing Satiety and Lowering Peak Blood Glucose Response in Healthy Human Subjects. Nutrients 2021;13(2):618. PubMed
Baikal Skullcap 34 references
- Huang KC. The pharmacology of Chinese herbs. 2nd ed. New York, NY: CRC Press LLC. 1999;385-6, 400-1.
- Hui KM, Wang XH, Xue H. Interaction of flavones from the roots of Scutellaria baicalensis with the benzodiazepine site. Planta Med 2000;66:91-3.
- Liao JF, Wang HH, Chen MC, et al. Benzodiazepine binding site-interactive flavones from Scutellaria baicalensis root. Planta Med 1998;64:571-2.
- Nishioka T, Kawabata J, Aoyama Y. Baicalein, an alpha-glucosidase inhibitor from Scutellaria baicalensis. J Nat Prod 1998;61:1413-5.
- Zhang CZ, Wang SX, Zhang Y, et al. In vitro estrogenic activities of Chinese medicinal plants traditionally used for the management of menopausal symptoms. J Ethnopharmacol 2005;98:295-300. PubMed
- Fan L, Zhang W, Guo D, et al. The effect of herbal medicine baicalin on pharmacokinetics of rosuvastatin, substrate of organic anion-transporting polypeptide 1B1. Clin Pharmacol Ther 2007;83:471-6. PubMed
- Chen C, Mireles RJ, Campbell SD, et al. Differential interaction of 3-hydroxy-3-methylglutaryl-CoA reductase inhibitors with ABCB1, ABCC2, and OATP1B1. Drug Metab Dispos 2005;33:537-46. PubMed
- Pasanen MK, Fredrikson H, Neuvonen PJ, Niemi M. Different effects of SLCO1B1 polymorphism on the pharmacokinetics of atorvastatin and rosuvastatin. Clin Pharmacol Ther 2007;82:726-33. PubMed
- Konig J, Seithel A, Gradhand U, Fromm MF. Pharmacogenomics of human OATP transporters. Naunyn-Schmiedeberg Arch Pharmacol 2006;372:432-43. PubMed
- Chalasani N, Vuppalanchi R, Navarro V, et al. Acute liver injury due to flavocoxid (Limbrel), a medical food for osteoarthritis: a case series. Ann Intern Med 2012;156:857-60. PubMed
- Reichenbach S, Juni P. Medical food and food supplements: not always as safe as generally assumed. Ann Intern Med 2012;156:894-5. PubMed
- Huang, W. M., Yan, J., and Xu, J. [Clinical and experimental study on inhibitory effect of sanhuang mixture on platelet aggregation]. Zhongguo Zhong.Xi.Yi.Jie.He.Za Zhi. 1995;15(8):465-467.
- Kim, B. R., Kim, D. H., Park, R., Kwon, K. B., Ryu, D. G., Kim, Y. C., Kim, N. Y., Jeong, S., Kang, B. K., and Kim, K. S. Effect of an extract of the root of Scutellaria baicalensis and its flavonoids on aflatoxin B1 oxidizing cytochrome P450 enzymes. Pl PubMed
- Lee, Y., Yeo, H., Liu, S. H., Jiang, Z., Savizky, R. M., Austin, D. J., and Cheng, Y. C. Increased anti-P-glycoprotein activity of baicalein by alkylation on the A ring. J Med Chem 10-21-2004;47(22):5555-5566. PubMed
- Huang, Y., Tsang, S. Y., Yao, X., and Chen, Z. Y. Biological properties of baicalein in cardiovascular system. Curr Drug Targets.Cardiovasc.Haematol.Disord 2005;5(2):177-184. PubMed
- Lee, E., Enomoto, R., Suzuki, C., Ohno, M., Ohashi, T., Miyauchi, A., Tanimoto, E., Maeda, K., Hirano, H., Yokoi, T., and Sugahara, C. Wogonin, a plant flavone, potentiates etoposide-induced apoptosis in cancer cells. Ann N Y Acad Sci 2007;1095:521-526. PubMed
- Waisundara, V. Y., Hsu, A., Huang, D., and Tan, B. K. Scutellaria baicalensis enhances the anti-diabetic activity of metformin in streptozotocin-induced diabetic Wistar rats. Am J Chin Med 2008;36(3):517-540.
- Go, W. J., Ryu, J. H., Qiang, F., and Han, H. K. Evaluation of the flavonoid oroxylin A as an inhibitor of P-glycoprotein-mediated cellular efflux. J Nat Prod 2009;72(9):1616-1619. PubMed
- Linnebur, S. A., Rapacchietta, O. C., and Vejar, M. Hepatotoxicity associated with chinese skullcap contained in Move Free Advanced dietary supplement: two case reports and review of the literature. Pharmacotherapy 2010;30(7):750, 258e-750, 262e. PubMed
- Enomoto, R., Koshiba, C., Suzuki, C., and Lee, E. Wogonin potentiates the antitumor action of etoposide and ameliorates its adverse effects. Cancer Chemother.Pharmacol 2011;67(5):1063-1072. PubMed
- Chang, H. H., Yi, P. L., Cheng, C. H., Lu, C. Y., Hsiao, Y. T., Tsai, Y. F., Li, C. L., and Chang, F. C. Biphasic effects of baicalin, an active constituent of Scutellaria baicalensis Georgi, in the spontaneous sleep-wake regulation. J Ethnopharmacol. 5- PubMed
- Li, T., Li, N., Guo, Q., Ji, H., Zhao, D., Xie, S., Li, X., Qiu, Z., Han, D., Chen, X., and You, Q. Inhibitory effects of wogonin on catalytic activity of cytochrome P450 enzyme in human liver microsomes. Eur J Drug Metab Pharmacokinet. 6-29-2011; PubMed
- Lin H, Zhou J, Lin K, et al. Efficacy of Scutellaria baicalensis for the treatment of hand, foot, and mouth disease associated with encephalitis in patients infected with EV71: a multicenter, retrospective analysis. Biomed Res Int 2016;2016:5697571.
- Papafragkakis C, Ona MA, Reddy M, Anand S. Acute hepatitis after ingestion of a preparation of Chinese skullcap and black catechu for joint pain. Case Reports Heptal 2016;2016:4356749. PubMed
- Kim M, Lee BC. Therapeutic effect of Scutellaria baicalensis on L-thyroxine-induced hyperthyroidism rats. Evid Based Complement Alternat Med. 2019;2019:3239649.
- Braude MR, Bassily R. Drug-induced liver injury secondary to Scutellaria baicalensis (Chinese skullcap). Intern Med J. 2019;49(4):544-546. PubMed
- Shin NR, Gu N, Choi HS, Kim H. Combined effects of Scutellaria baicalensis with metformin on glucose tolerance of patients with type 2 diabetes via gut microbiota modulation. Am J Physiol Endocrinol Metab. 2020;318(1):E52-E61.
- Li WJ, Bao J, Zheng DC, et al. Treatments of Peyronie's disease with Scutellaria baicalensis and surgery according to the disease course: a single-center retrospective study of 261 patients. Ann Palliat Med. 2021 Mar;10(3):2979-2989. PubMed
- Adam T, Bursztejn AC, Schmutz JL. Facial eczema from a sunscreen: Scutellaria baicalensis, a novel allergen beginning to attract attention. Contact Dermatitis. 2020 Apr;82(4):253-254.
- Luna-Bastante L, Gatica-Ortega ME, Pastor-Nieto MA, et al. Allergic contact dermatitis to Tinosorb S, Scutellaria baicalensis, and other emerging allergens in cosmetics. Contact Dermatitis. 2020 May;82(5):307-309.
- US Food and Drug Administration (FDA). FDA Alerts Consumers About Potentially Life-Threatening Health Problems Linked to Limbrel. December 19, 2017. Available at: https://www.fda.gov/food/alerts-advisories-safety-information/fda-alerts-consumers-about-pot
- Li L, Gao H, Lou K, et al. Safety, tolerability, and pharmacokinetics of oral baicalein tablets in healthy Chinese subjects: A single-center, randomized, double-blind, placebo-controlled multiple-ascending-dose study. Clin Transl Sci 2021;14(5):2017-2024. PubMed
- Badaoui A. Allergic contact dermatitis to resveratrol and Scutellaria baicalensis root extract in a cosmetic product. Contact Dermatitis 2022.
- Nogami T, Arai M. Incidence of Herb-induced Liver Injury Caused by Kampo Formulae Containing Scutellariae Radix. Tokai J Exp Clin Med 2022;47(3):94-98.
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