Major interaction on record — check this product against your medications before combining. Based on 7 of 12 ingredients. Check your meds →
Dietary supplement

Herbal Colon Cleanser Ingredients & Drug Interactions

by Mason Natural

Herbal Colon Cleanser label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Herbal Colon Cleanser 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: Major

Herbal Colon Cleanser is a dietary supplement by Mason Natural with 12 active ingredients. Its ingredients are commonly taken for digestive upset and bloating, infant colic, menstrual cramps.Based on those ingredients, 1,443 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Cascara Sagrada, Fennel, Rhubarb. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Herbal Colon Cleanser by Mason Natural

Ask about any prescription or over-the-counter medication and we check it for interactions with Herbal Colon Cleanser by Mason Natural — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Herbal Colon Cleanser by Mason Natural

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 11, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 12 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (2,000 mg) without saying how much of each component you get.

This 12-ingredient product contains a proprietary blend plus several named herbs and botanicals. The active ingredients include fennel, which has been used for digestive and hormonal support; alfalfa, traditionally taken for general wellness; cascara sagrada and rhubarb, both stimulant laxatives; aloe vera, used for bowel regularity; and wheat grass, listed for its nutritional profile.

The product also contains psyllium, a soluble fiber, and others like oat bran, citrus pectin cellulose, and buckthorn. Inactive ingredients include bovine gelatin (capsule), magnesium stearate, silicon dioxide, and maltodextrin.

Does it work?

Moderate 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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: healthy colon function.
  • We looked for evidence on: Bowel preparation, Constipation, Flatulence, Irritable bowel syndrome (IBS), Colon health, Digestive regularity — and 1 related terms.
  • The strongest evidence on file: Aloe is rated "Possibly Effective" for Constipation (Natural Medicines).
  • Also on file: Cascara Sagrada is rated "Possibly Ineffective" for Bowel preparation.
  • Also on file: Rhubarb is rated "Insufficient Reliable Evidence To Rate" for Constipation.

Aloe vera shows the strongest evidence in our data — it's rated possibly effective for constipation, acne, burns, psoriasis, obesity, and diabetes. Rhubarb is possibly effective for pancreatitis and menopausal symptoms, and possibly ineffective for bowel preparation.

Fennel is possibly effective for dysmenorrhea (painful periods), but evidence is insufficient for its use in bronchitis, anxiety, nocturnal enuresis (bedwetting), and cholera. For alfalfa, cascara sagrada, and wheat grass, the evidence we hold is insufficient to rate their effectiveness for the conditions studied.

The data doesn't establish whether this blend as a whole works for colon cleansing specifically.

The evidence, ingredient by ingredient Fennel Sea Buckthorn Alfalfa Cascara Sagrada Couch Grass Rhubarb Aloe

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 6 of the 7 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 7 of 7.
  • General safety write-ups exist for 7 of 7.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Most ingredients are generally well tolerated in typical doses. Fennel, alfalfa, and aloe are usually handled well orally, though some users report gastrointestinal discomfort, gas, diarrhea, or allergic reactions.

Cascara sagrada and rhubarb may cause cramping and should not be used long-term — cascara can rarely cause liver damage and rhubarb's long-term use has linked to electrolyte loss and kidney stress. Rhubarb is possibly unsafe in pregnancy and aloe latex should be avoided during pregnancy because of uterine stimulation and strong laxative effects.

Alfalfa is also marked possibly unsafe in pregnancy due to its hormone-like activity. For breastfeeding, fennel, alfalfa, cascara sagrada, rhubarb, and aloe lack sufficient safety data — concentrated amounts are best avoided while nursing.

Wheat grass has limited human safety data overall and should be avoided in pregnancy and while breastfeeding.

Side effects, ingredient by ingredient Fennel Sea Buckthorn Alfalfa Cascara Sagrada Couch Grass Rhubarb Aloe

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 6 of the 7 matched ingredients can interact with medications — Alfalfa, Rhubarb, Fennel, Aloe, Sea Buckthorn, among others.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications; heart-rhythm medications.
  • For scale: 1,444 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.

Check this product with your pharmacist if you take warfarin (Coumadin) or other blood thinners (anticoagulants or antiplatelets), digoxin (Lanoxin) or other heart medications, diabetes drugs, contraceptives, hormone replacement therapy, ciprofloxacin (Cipro), or corticosteroids or diuretics. The Major interactions involve warfarin and digoxin specifically.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

If you take a blood thinner, heart medication, diabetes drug, contraceptive, hormone therapy, or corticosteroid, run this product through our medication checker before using it — several ingredients can interfere with these drugs. If you're pregnant or breastfeeding, talk to your pharmacist or doctor first.

This product is a stimulant laxative blend and shouldn't be used long-term.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 7 of 12 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 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 Herbal Colon Cleanser, straight from the product label.

Brand Mason Natural
Barcode (UPC) 311845122216
Net contents 100 Capsule(s)
Market status On market
Date entered into DSLD Sep 25, 2024
DSLD ID 318744
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), 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 Herbal Colon Cleanser by Mason Natural, 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:
4 Capsule(s)
Maximum serving Sizes:
4 Capsule(s)
Servings per container
25
UPC/BARCODE
311845122216
IngredientAmount% DV
Proprietary Blend2000 mg--
Oat Bran, Powder0 NP--
Fennel0 NP--
Citrus Pectin Cellulose0 NP--
Buckthorn0 NP--
Alfalfa0 NP--
Cascara Sagrada0 NP--
Psyllium0 NP--
Wheat Grass0 NP--
Rhubarb0 NP--
bentonite0 NP--
Aloe Vera0 NP--
Leprino Whey0 NP--

Other ingredients: Bovine Gelatin, Magnesium Stearate, Silicon Dioxide, Maltodextrin

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.
Seals/Symbols

Laboratory Tested Mason Guarantee cGMP Certified Good Manufacturing Practice 5 Star Certified

General Statements

N

Please Recycle

Brand IP Statement(s)

Mason Natural Est. 1967

Mason Natural is a registered trademark and does not refer to any product or ingredient claim.

Formulation

Healthy colon function

Color variation is possible.

Guaranteed no added: Sugar, yeast, soy, fish, tree nuts, peanuts, egg, fragrance, artificial colors or flavors, preservatives, crustacean shellfish. Sodium free.

Gluten free Soy free

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: Adults - Take four capsules daily with 10-12 oz of water as needed, as a dietary supplement.

Formula

Contains naturally harvested herbal products.

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Allergen Certification - This product contains milk derivatives (whey).

Caution: Do not use this product if abdominal pain or vomiting are present, unless directed by a physician.

If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur. Warning: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Tamper-Evident Seal: Do not use product if seal appears tampered with.

Keep out of reach of children.

Storage

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees -77 degrees F).

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

See for yourself

Herbal Colon Cleanser by Mason Natural label

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

Herbal Colon Cleanser 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 Herbal Colon Cleanser by Mason Natural

These are the 12 active ingredients this product is made of. Select any to open its full monograph.

Serving size4 Capsule(s) Dosage formCapsule Servings per container25 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Proprietary Blend

2000 mg per serving

Other (inactive) ingredients: Bovine Gelatin, Magnesium Stearate, Silicon Dioxide, Maltodextrin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Herbal Colon Cleanser by Mason Natural Drug Interactions

Want to check YOUR meds against Herbal Colon Cleanser?

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
1,443Drugs
3 Major 1,421 Moderate 19 Minor

Ingredients driving the most interactions

Cascara Sagrada 745
Fennel 740
Rhubarb 658
Alfalfa 583
Aloe Vera 461

Individual Drug Interactions

The ingredients in Herbal Colon Cleanser interact with 1,443 drugs. Click any drug to see the details.

6 of the 12 ingredients in Herbal Colon Cleanser interact with drugs. Each result below shows which ingredient is responsible. Cascara Sagrada Fennel Rhubarb Alfalfa Aloe Vera Buckthorn

Each ingredient & the kinds of drugs it affects

For each ingredient in Herbal Colon Cleanser with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Cascara Sagrada6 drug types · 745 drugs

Corticosteroids

Theoretically, cascara sagrada might increase the risk of hypokalemia when taken with corticosteroids.
Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia.

Likelihood Possible Evidence D
Digoxin (Lanoxin)

Theoretically, cascara sagrada might cause hypokalemia, potentially increasing the risk of digoxin toxicity.
Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia.

Likelihood Possible Evidence D
Diuretic Drugs

Theoretically, cascara sagrada might increase the risk of hypokalemia when taken with diuretic drugs.
Cascara sagrada has stimulant laxative effects, and long-term use has been associated with hypokalemia.

Likelihood Possible Evidence D
Stimulant Laxatives

Theoretically, cascara sagrada might have additive adverse effects when taken with stimulant laxatives.
Cascara sagrada has stimulant laxative effects and might compound fluid and electrolyte losses when taken with stimulant laxatives.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, cascara sagrada might increase the risk of bleeding when taken with warfarin.
Cascara sagrada has stimulant laxative effects. In some people, cascara sagrada can cause diarrhea. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, cascara sagrada might decrease the effects of CYP3A4 substrates.
In vitro research suggests that cascara sagrada can induce CYP3A4 enzymes, albeit to a much lower degree than rifampin, a known CYP3A4 inducer.

Likelihood Possible Evidence D
Cascara Sagrada full monograph & interactions

Fennel6 drug types · 740 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.

Animal research suggests that fennel oil has antithrombotic and antiplatelet effects.

Likelihood Possible Evidence D
Ciprofloxacin (Cipro)

Theoretically, fennel might decrease the levels and clinical effects of ciprofloxacin.

Animal research shows that fennel reduces ciprofloxacin bioavailability by nearly 50%, possibly due to the metal cations such as calcium, iron, and magnesium contained in fennel. This study also found that fennel increased tissue distribution and slowed elimination of ciprofloxacin.

Likelihood Probable Evidence D
Contraceptive Drugs

Theoretically, taking large amounts of fennel might decrease the effects of contraceptive drugs due to competition for estrogen receptors.

Some constituents of fennel have estrogenic activity.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.

In vitro research suggests that fennel inhibits CYP3A4 enzyme activity. This effect has not been reported in humans.

Likelihood Possible Evidence D
Estrogens

Theoretically, taking large amounts of fennel might interfere with hormone replacement therapy due to competition for estrogen receptors.

Some constituents of fennel have estrogenic activity.

Likelihood Possible Evidence D
Tamoxifen (Nolvadex)

Theoretically, taking large amounts of fennel might decrease the antiestrogenic effect of tamoxifen.

Some constituents of fennel have estrogenic activity, which may interfere with the antiestrogenic activity of tamoxifen.

Likelihood Possible Evidence D
Fennel full monograph & interactions

Rhubarb8 drug types · 658 drugs

Corticosteroids

Theoretically, frequent and high doses of rhubarb might increase the risk of hypokalemia when taken with corticosteroids.
Rhubarb has stimulant laxative effects. Overuse of rhubarb might compound corticosteroid-induced potassium loss.

Likelihood Possible Evidence D
Cyclosporine (Neoral, Sandimmune)

Theoretically, taking rhubarb with cyclosporine might reduce cyclosporine levels.
Animal research shows that co-administration of rhubarb decoction 0.25 or 1 gram/kg with cyclosporine 2.5 mg/kg, decreases cyclosporine maximum plasma concentration and overall exposure levels when compared with taking cyclosporine alone. The authors theorize that rhubarb might reduce cyclosporine bioavailability by inducing of P-glycoprotein and/or cytochrome P450 3A4. However, since rhubarb was administered as a single oral dose and enzyme induction usually occurs after multiple doses, it is possible that cyclosporine absorption was actually reduced via rhubarb's stimulant laxative effects. Also, the composition of the rhubarb decoction was not described.

Likelihood Possible Evidence D
Digoxin (Lanoxin)

Theoretically, overuse of rhubarb might increase the risk of adverse effects when taken with digoxin.
Rhubarb has stimulant laxative effects. Overuse of rhubarb might cause potassium depletion, increasing the risk of digoxin toxicity.

Likelihood Possible Evidence D
Diuretic Drugs

Theoretically, frequent and high doses of rhubarb might increase the risk of hypokalemia.
Rhubarb has stimulant laxative effects. Overuse of rhubarb might cause potassium depletion and compound diuretic-induced potassium loss.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, concomitant use of rhubarb with potentially hepatotoxic drugs might increase the risk of developing liver damage.
Some animal research suggests that anthraquinones in rhubarb might have hepatotoxic effects. Also, rhubarb use has been linked to at least 24 cases of liver injury, although details on the dose of rhubarb and duration of use in these cases is unclear.

Likelihood Possible Evidence D
Nephrotoxic Drugs

Theoretically, long-term use of anthraquinones from rhubarb might increase the risk of nephrotoxicity when used with nephrotoxic drugs.
The anthraquinone constituents of rhubarb have been shown to induce nephrotoxicity in animal research. Additionally, in a case report, a 23-year old female presented with kidney failure after taking 6 tablets of a proprietary slimming agent (found to contain the anthraquinones emodin and aloe-emodin from rhubarb) daily for 6 weeks and then adding diclofenac 25 mg 4 times daily for 2 days. The authors postulate that the anthraquinone constituents of rhubarb contributed to the renal dysfunction, and the addition of diclofenac, a nephrotoxic drug, led to renal failure. Until more is known, advise patients to avoid taking rhubarb if they are taking other potentially nephrotoxic drugs.

Likelihood Possible Evidence D
Stimulant Laxatives

Theoretically, rhubarb might increase the risk for fluid and electrolyte loss when taken with other stimulant laxatives.
Rhubarb has stimulant laxative effects. Concomitant use with stimulant laxatives might compound fluid and electrolyte loss.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, excessive use of rhubarb might increase the risk of bleeding when taken with warfarin.
Rhubarb has stimulant laxative effects and can cause diarrhea. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding. Advise patients who take warfarin not to take excessive amounts of rhubarb.

Likelihood Possible Evidence D
Rhubarb full monograph & interactions

Alfalfa6 drug types · 583 drugs

Warfarin (Coumadin)

Theoretically, alfalfa might reduce the anticoagulant activity of warfarin.
Alfalfa contains a large amount of vitamin K. This could theoretically interfere with the activity of warfarin.

Likelihood Probable Evidence D
Antidiabetes Drugs

Theoretically, alfalfa might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that alfalfa decreases blood sugar in diabetic mice. Also, in one case report, a diabetic patient experienced hypoglycemia after consuming alfalfa extract. Monitor blood glucose levels closely. Dose adjustments might be necessary.

Likelihood Possible Evidence D
Contraceptive Drugs

Theoretically, alfalfa might interfere with the activity of contraceptive drugs.
Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects.

Likelihood Possible Evidence D
Estrogens

Theoretically, alfalfa might interfere with hormone therapy.
Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects.

Likelihood Possible Evidence D
Immunosuppressants

Theoretically, alfalfa might decrease the efficacy of immunosuppressive therapy.
In vitro research and human case reports suggest that alfalfa may have immunostimulant effects.

Likelihood Possible Evidence D
Photosensitizing Drugs

Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Animal research suggests that excessive doses of alfalfa may increase photosensitivity, possibly due to its chlorophyll content. It is unclear if this effect would be clinically relevant in humans.

Likelihood Possible Evidence D
Alfalfa full monograph & interactions

Aloe Vera7 drug types · 461 drugs

Digoxin (Lanoxin)

Theoretically, aloe latex might increase the risk of adverse effects when taken with cardiac glycosides.
Overuse of aloe latex can increase the risk of adverse effects from cardiac glycoside drugs, such as digoxin, due to potassium depletion. Overuse of aloe, along with cardiac glycoside drugs, can increase the risk of toxicity.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, aloe gel might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
In vitro research shows that aloe gel can inhibit platelet aggregation. This inhibition was greater than that seen with celecoxib, but less than that seen with aspirin.

Likelihood Possible Evidence D
Antidiabetes Drugs

Aloe might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Preliminary clinical research suggests aloe gel might lower blood glucose levels and have additive effects when used with antidiabetes drugs. Monitor blood glucose levels closely.

Likelihood Possible Evidence D
Diuretic Drugs

Theoretically, aloe latex might increase the risk of hypokalemia when taken with diuretic drugs.
Overuse of aloe latex might compound diuretic-induced potassium loss, increasing the risk of hypokalemia.

Likelihood Possible Evidence D
Stimulant Laxatives

Theoretically, aloe latex might increase the risk for fluid and electrolyte loss when taken with stimulant laxatives.
Due to cathartic laxative effects of aloe latex, concomitant use with other stimulant laxatives might compound fluid and electrolyte loss.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, aloe latex might increase the risk of bleeding when taken with warfarin.
Aloe latex has stimulant laxative effects. In some people aloe latex can cause diarrhea. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding. Advise patients who take warfarin not to take excessive amounts of aloe vera.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, aloe might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that aloe extract induces CYP1A2 enzymes.

Likelihood Possible Evidence D
Aloe Vera full monograph & interactions

Buckthorn2 drug types · 289 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, sea buckthorn may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Clinical research suggests that sea buckthorn fruit extracts can inhibit platelet aggregation and adhesion to collagen and fibrinogen.

Likelihood Possible Evidence B
Antihypertensive Drugs

Theoretically, taking sea buckthorn with antihypertensive drugs might increase the risk of hypotension.
Taking sea buckthorn appears to reduce blood pressure in some patients.

Likelihood Possible Evidence D
Buckthorn full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Herbal Colon Cleanser, from the product label.

Mason Natural

See all Mason Natural products
Name
Mason Vitamins, Inc.
City
Miami Lakes
State
FL
ZipCode
33014
Phone Number
1-888-860-5376
Web Address
www.MasonVitamins.com
Pharmacist Counseling Corner

Herbal Colon Cleanser by Mason Natural: Common Questions

Does Herbal Colon Cleanser by Mason Natural interact with any medications?
Yes. Based on its ingredients, Herbal Colon Cleanser has a known interaction with 1,443 medications, including 3 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Herbal Colon Cleanser contains 12 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is 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 aloe vera safe to take by mouth?
Aloe gel taken orally is usually well tolerated in typical doses, but aloe latex — the stronger form — can cause cramping, diarrhea, and with overuse, serious side effects like severe potassium loss and heart rhythm problems. This product contains aloe, so don't use it long-term and avoid it in pregnancy and while breastfeeding.
Can I take this if I'm on blood thinners like warfarin?
No — not without checking with your pharmacist first. Alfalfa, cascara sagrada, rhubarb, fennel, and aloe can all increase your bleeding risk or reduce warfarin's effectiveness. These interactions are documented, so your dose or medication may need adjustment.
What does fennel do in this blend?
Fennel has been used traditionally to support digestion and hormone balance. It's rated possibly effective for dysmenorrhea (painful periods), but evidence is insufficient for other conditions like anxiety or bronchitis.
Is this safe to use long-term?
No. Cascara sagrada and rhubarb are stimulant laxatives designed for short-term use only. Long-term use can cause electrolyte loss, kidney stress, and other serious side effects. Talk to your pharmacist about how long you should use it.
Can I take this while pregnant?
You should avoid it. Alfalfa and rhubarb are marked possibly unsafe in pregnancy due to hormone-like and uterine-stimulating effects, and aloe latex is unsafe in pregnancy because it acts as a strong laxative. Talk to your doctor before using it.
What's the proprietary blend and why aren't all ingredients listed individually?
The proprietary blend is a mixture of herbs and ingredients — the formula is the brand's trade secret. We've listed the named ingredients separately, but some components within that blend may not be disclosed on the label.

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.

Herbal Colon Cleanser label
Go deeper

The Full Monographs Behind Herbal Colon Cleanser’s Ingredients

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

Herb & supplement monograph

Fennel

Interacts with 740 drugs

Fennel is a Mediterranean herb widely used as a food and spice, and traditionally taken for digestive complaints, colic, and menstrual cramps. Some small studies suggest possible benefit for...

Read the full Fennel monograph → Herb & supplement monograph

Sea Buckthorn

Interacts with 289 drugs

Sea buckthorn is a berry-bearing shrub rich in vitamins, carotenoids, and fatty acids that people use for skin, eye, digestive, and heart health. Early research is promising for a few uses l...

Read the full Sea Buckthorn monograph → Herb & supplement monograph

Alfalfa

Interacts with 583 drugs

Alfalfa is a nutrient-rich legume that people use for high cholesterol, menopause symptoms, and general wellness, but solid human evidence for most of these uses is limited. It is best avoid...

Read the full Alfalfa monograph → Herb & supplement monograph

Cascara Sagrada

Interacts with 745 drugs

Cascara sagrada is a stimulant laxative made from the aged bark of a Pacific Northwest tree, used mainly for short-term relief of constipation. Because it can cause cramping, dehydration, an...

Read the full Cascara Sagrada monograph → Herb & supplement monograph

Couch Grass

Couch grass is a common lawn weed whose rhizome has long been used in traditional European herbal medicine, mainly for urinary and bladder complaints. High-quality human studies are lacking,...

Read the full Couch Grass monograph → Herb & supplement monograph

Rhubarb

Interacts with 658 drugs

Rhubarb root has a long history of use as a laxative and in traditional Chinese medicine, and its edible stalks are a common food. Most medicinal claims are backed by limited or low-quality...

Read the full Rhubarb monograph → Herb & supplement monograph

Aloe

Interacts with 461 drugs

Aloe vera gel is widely used on the skin for minor burns and irritation, and some research suggests it may help. Aloe latex (the yellow part) is a strong laxative that can cause cramping and...

Read the full Aloe monograph →
Sources

Sources & How We Checked

Herbal Colon Cleanser'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 126 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.

Fennel 17 references
  1. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  2. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  3. Zhu M, Wong PY, Li RC. Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat. J Pharm Pharmacol 1999;51:1391-6.
  4. Gral N, Beani JC, Bonnot D, et al. [Plasma levels of psoralens after celery ingestion]. Ann Dermatol Venereol 1993;120:599-603.
  5. Burkhard PR, Burkhardt K, Haenggeli CA, Landis T. Plant-induced seizures: reappearance of an old problem. J Neurol 1999;246:667-70. PubMed
  6. Rosti L, Nardini A, Bettinelli ME, Rosti D. Toxic effects of a herbal tea mixture in two newborns. Acta Paediatrica 1994;83:683. PubMed
  7. Cuzzolin L, Zaffani S, and Benoni G. Safety implications regarding use of phytomedicines. Eur.J Clin Pharmacol. 2006;62:37-42. PubMed
  8. Tognolini, M., Ballabeni, V., Bertoni, S., Bruni, R., Impicciatore, M., and Barocelli, E. Protective effect of Foeniculum vulgare essential oil and anethole in an experimental model of thrombosis. Pharmacol.Res 2007;56(3):254-260. PubMed
  9. Subehan, Usia, T., Iwata, H., Kadota, S., and Tezuka, Y. Mechanism-based inhibition of CYP3A4 and CYP2D6 by Indonesian medicinal plants. J Ethnopharmacol. 5-24-2006;105(3):449-455. PubMed
  10. Tognolini, M., Barocelli, E., Ballabeni, V., Bruni, R., Bianchi, A., Chiavarini, M., and Impicciatore, M. Comparative screening of plant essential oils: phenylpropanoid moiety as basic core for antiplatelet activity. Life Sci. 2-23-2006;78(13):1419-1432. PubMed
  11. Subehan, Zaidi, S. F., Kadota, S., and Tezuka, Y. Inhibition on human liver cytochrome P450 3A4 by constituents of fennel (Foeniculum vulgare): identification and characterization of a mechanism-based inactivator. J Agric.Food Chem. 12-12-2007;55(25):101 PubMed
  12. LEVY, S. B. Bronchial asthma due to ingestion of fennel and fennel seed. Ann.Allergy 1948;6(4):415.
  13. Ottolenghi, A., De Chiara, A., Arrigoni, S., Terracciano, L., and De Amici, M. [Diagnosis of food allergy caused by fruit and vegetables in children with atopic dermatitis]. Pediatr Med Chir 1995;17(6):525-530.
  14. Trabace L, Tucci P, Ciuffreda L, et al. "Natural" relief of pregnancy-related symptoms and neonatal outcomes: above all do no harm. J Ethnopharmacol. 2015;174:396-402. PubMed
  15. Denaxa D, Arkwright PD. Fennel as a cause of immediate hypersensitivity to toothpaste. Ann Allergy Asthma Immunol. 2020;125(1):99-100. PubMed
  16. Lee HW, Ang L, Lee MS, Alimoradi Z, Kim E. Fennel for reducing pain in primary dysmenorrhea: a systematic review and meta-analysis of randomized controlled trials. Nutrients 2020;12(11):3438. PubMed
  17. Mathew T, John SK, Javali M, Vasireddy M, Nadig R, Sarma GRK. Substance use related cluster headache: A case series. Headache 2022;62(7):908-910. PubMed

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Sea Buckthorn 7 references
  1. Johansson AK, Korte H, Yang B, et al. Sea buckthorn berry oil inhibits platelet aggregation. J Nutr Biochem 2000;11:491-5.. PubMed
  2. Grad, S. C., Muresan, I., and Dumitrascu, D. L. Generalized yellow skin caused by high intake of sea buckthorn. Forsch.Komplementmed. 2012;19(3):153-156. PubMed
  3. Vlasov, V. V. [Hippophae oil in the treatment of superficial skin burns]. Vestn.Dermatol Venerol. 1970;44(6):69-72.
  4. Chang BB, Wang F Xu TY Zhang QQ He J Zhang XJ Li J. Total flavones of Hippophae rhamnoides L. for essential hypertension: a systematic review of randomized controlled trials. Chinese Journal of Evidence-Based Medicine. 2009;9(11):1207-1213. DOI
  5. Olas B, Kontek B, Szczesna M, et al. Inhibition of blood platelet adhesion by phenolics rich fraction of Hippophae rhamnoides L. fruits. J Physiol Pharmacol. 2017;68(2):223-9.
  6. Larmo P, Järvinen R, Laihia J, et al. Effects of a sea buckthorn oil spray emulsion on dry eye. Cont Lens Anterior Eye. 2019;42(4):428-433. PubMed
  7. De Seta F, Caruso S, Di Lorenzo G, Romano F, Mirandola M, Nappi RE. Efficacy and safety of a new vaginal gel for the treatment of symptoms associated with vulvovaginal atrophy in postmenopausal women: A double-blind randomized placebo-controlled study. Ma PubMed

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Alfalfa 32 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  3. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  4. Kurzer MS, Xu X. Dietary phytoestrogens. Annu Rev Nutr 1997;17:353-81. PubMed
  5. Farber JM, Carter AO, Varughese PV, et al. Listeriosis traced to the consumption of alfalfa tablets and soft cheese [Letter to the Editor]. N Engl J Med 1990;322:338. PubMed
  6. Molgaard J, von Schenck H, Olsson AG. Alfalfa seeds lower low density lipoprotein cholesterol and apolipoprotein B concentrations in patients with type II hyperlipoproteinemia. Atherosclerosis 1987;65:173-9. PubMed
  7. Light TD, Light JA. Acute renal transplant rejection possibly related to herbal medications. Am J Transplant 2003;3:1608-9. PubMed
  8. Prete PE. The mechanism of action of L-canavanine in inducing autoimmune phenomena. Arthritis Rheum 1985;28:1198-200. PubMed
  9. Alcocer-Varela J, Iglesias A, Llorente L, Alarcon-Segovia D. Effects of L-canavanine on T cells may explain the induction of systemic lupus erythematosus by alfalfa. Arthritis Rheum 1985;28:52-7. PubMed
  10. Roberts JL, Hayashi JA. Exacerbation of SLE associated with alfalfa ingestion. N Engl J Med 1983;308:1361. DOI
  11. Feingold, R. M. Should we fear "health foods"? Arch Intern Med 7-12-1999;159(13):1502. PubMed
  12. Taormina, P. J., Beuchat, L. R., and Slutsker, L. Infections associated with eating seed sprouts: an international concern. Emerg.Infect.Dis 1999;5(5):626-634. PubMed
  13. Backer, H. D., Mohle-Boetani, J. C., Werner, S. B., Abbott, S. L., Farrar, J., and Vugia, D. J. High incidence of extra-intestinal infections in a Salmonella Havana outbreak associated with alfalfa sprouts. Public Health Rep. 2000;115(4):339-345. PubMed
  14. Mohle-Boetani J, Werner B, Polumbo M, and et al. From the Centers for Disease Control and Prevention. Alfalfa sprouts-- Arizona, California, Colorado, and New Mexico, February-April, 2001. JAMA 2-6-2002;287(5):581-582.
  15. Howard, M. B. and Hutcheson, S. W. Growth dynamics of Salmonella enterica strains on alfalfa sprouts and in waste seed irrigation water. Appl.Environ.Microbiol. 2003;69(1):548-553.
  16. Winthrop, K. L., Palumbo, M. S., Farrar, J. A., Mohle-Boetani, J. C., Abbott, S., Beatty, M. E., Inami, G., and Werner, S. B. Alfalfa sprouts and Salmonella Kottbus infection: a multistate outbreak following inadequate seed disinfection with heat and chl
  17. Strapp, C. M., Shearer, A. E., and Joerger, R. D. Survey of retail alfalfa sprouts and mushrooms for the presence of Escherichia coil O157:H7, Salmonella, and Listeria with BAX, and evaluation of this polymerase chain reaction-based system with experimen
  18. Akaogi, J., Barker, T., Kuroda, Y., Nacionales, D. C., Yamasaki, Y., Stevens, B. R., Reeves, W. H., and Satoh, M. Role of non-protein amino acid L-canavanine in autoimmunity. Autoimmun.Rev 2006;5(6):429-435. PubMed
  19. Burden and causes of foodborne disease in Australia: Annual report of the OzFoodNet network, 2005. Commun.Dis Intell. 2006;30(3):278-300.
  20. Shemesh, M., Lindner, H. R., and Ayalon, N. Affinity of rabbit uterine oestradiol receptor for phyto-oestrogens and its use in a competitive protein-binding radioassay for plasma coumestrol. J Reprod.Fertil. 1972;29(1):1-9. PubMed
  21. Elakovich, S. D. and Hampton, J. M. Analysis of coumestrol, a phytoestrogen, in alfalfa tablets sold for human consumption. J Agric.Food Chem. 1984;32(1):173-175. PubMed
  22. Malinow, M. R., Bardana, E. J., Jr., Pirofsky, B., Craig, S., and McLaughlin, P. Systemic lupus erythematosus-like syndrome in monkeys fed alfalfa sprouts: role of a nonprotein amino acid. Science 4-23-1982;216(4544):415-417. PubMed
  23. Malinow, M. R., McLaughlin, P., and Stafford, C. Alfalfa seeds: effects on cholesterol metabolism. Experientia 5-15-1980;36(5):562-564. PubMed
  24. Farnsworth, N. R. Alfalfa pills and autoimmune diseases. Am J Clin Nutr. 1995;62(5):1026-1028. DOI
  25. Herbert, V. and Kasdan, T. S. Alfalfa, vitamin E, and autoimmune disorders. Am J Clin Nutr 1994;60(4):639-640.
  26. Mahon, B. E., Ponka, A., Hall, W. N., Komatsu, K., Dietrich, S. E., Siitonen, A., Cage, G., Hayes, P. S., Lambert-Fair, M. A., Bean, N. H., Griffin, P. M., and Slutsker, L. An international outbreak of Salmonella infections caused by alfalfa sprouts grow
  27. Gray, A. M. and Flatt, P. R. Pancreatic and extra-pancreatic effects of the traditional anti- diabetic plant, Medicago sativa (lucerne). Br J Nutr. 1997;78(2):325-334.
  28. Van Beneden, C. A., Keene, W. E., Strang, R. A., Werker, D. H., King, A. S., Mahon, B., Hedberg, K., Bell, A., Kelly, M. T., Balan, V. K., Mac Kenzie, W. R., and Fleming, D. Multinational outbreak of Salmonella enterica serotype Newport infections due to
  29. Rubenstein AH, Levin NW, and Elliott GA. Manganese-induced hypoglycemia. Lancet 1962;1348-1351.
  30. Kaufman W. Alfalfa seed dermatitis. JAMA 1954;155(12):1058-1059. PubMed
  31. Ponka A, Andersson Y, Siitonen A, and et al. Salmonella in alfalfa sprouts. Lancet 1995;345:462-463. PubMed
  32. Puschner B, Chen X, Read D, Affolter VK. Alfalfa hay induced primary photosensitization in horses. Vet J. 2016 May;211:32-8. PubMed

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Cascara Sagrada 9 references
  1. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  3. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  4. Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
  5. Nusko G, Schneider B, Schneider I, et al. Anthranoid laxative use is not a risk factor for colorectal neoplasia: results of a prospective case control study. Gut 2000;46:651-5. PubMed
  6. Nadir A, Reddy D, Van Thiel DH. Cascara-sagrada induced intrahepatic cholestasis causing portal hypertension: case report and review of herbal hepatotoxicity. Am J Gastroenterol 2000;95:3634-7. PubMed
  7. Nakasone ES, Tokeshi J. A serendipitous find: a case of cholangiocarcinoma identified incidentally after acute liver injury due to cascara sagrada ingestion. Hawaii J Med Public Health 2015;74(6):200-2.
  8. Cirillo C, Capasso R. Constipation and botanical medicines: an overview. Phytother Res 2015;29(10):1488-93. PubMed
  9. Mazzari ALDA, Lacerda MG, Milton FA, et al. In vitro effects of European and Latin-American medicinal plants in CYP3A4 gene expression, glutathione levels, and P-glycoprotein activity. Front Pharmacol 2022;13:826395. PubMed

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Rhubarb 20 references
  1. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  3. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  4. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  5. Nusko G, Schneider B, Schneider I, et al. Anthranoid laxative use is not a risk factor for colorectal neoplasia: results of a prospective case control study. Gut 2000;46:651-5. PubMed
  6. Kwan TH, Tong MK, Leung KT, et al. Acute renal failure associated with prolonged intake of slimming pills containing anthraquinones. Hong Kong Med J 2006;12:394-7.
  7. Fairbairn JW. The anthraquinone laxatives. Biological assay and its relation to chemical structure. Pharmacology 1976;14:48-61. PubMed
  8. Siegers, C. P., Hertzberg-Lottin, E., Otte, M., and Schneider, B. Anthranoid laxative abuse--a risk for colorectal cancer? Gut 1993;34(8):1099-1101. PubMed
  9. Fan, J. G. Evaluating the efficacy and safety of Danning Pian in the short-term treatment of patients with non-alcoholic fatty liver disease: a multicenter clinical trial. Hepatobiliary.Pancreat.Dis.Int 2004;3(3):375-380.
  10. Yan, M., Zhang, L. Y., Sun, L. X., Jiang, Z. Z., and Xiao, X. H. Nephrotoxicity study of total rhubarb anthraquinones on Sprague Dawley rats using DNA microarrays. J Ethnopharmacol. 4-15-2006; PubMed
  11. Zhang, J. H., Li, L. S., and Zhang, M. Clinical effects of rheum and captopril on preventing progression of chronic renal failure. Chin Med J (Engl.) 1990;103(10):788-793.
  12. Mitsuma, T., Yokozawa, T., Oura, H., and Terasawa, K. [Rhubarb therapy in patients with chronic renal failure (Part 2)]. Nippon Jinzo Gakkai Shi 1987;29(2):195-207.
  13. Wu, C. X. [A preliminary study on the effect of a single Rheum officinale in heavy doses in the treatment of acute icteric hepatitis]. Zhong.Xi.Yi.Jie.He.Za Zhi.(Chinese Journal of Modern Developments in Traditional Medicine) 1984;4(2):88-89.
  14. Jiao, D. H. [Clinical research on the hemostatic effect of rhubarb on peptic ulcer with acute bleeding]. Zhong.Xi.Yi.Jie.He.Za Zhi.(Chinese Journal of Modern Developments in Traditional Medicine) 1984;4(10):597-600, 579.
  15. Jiao, D. H., Ma, Y. H., Chen, S. J., Liu, C. T., Shu, H. N., and Chu, C. M. Resume of 400 cases of acute upper digestive tract bleeding treated by rhubarb alone. Pharmacology 1980;20 Suppl 1:128-130.
  16. Zhang, JH, Yao, XD, Song, Y, and et al. [Long-term treating effects of rhubarb and captopril in delaying the progression of renal failure]. Chinese Kidney Disease Journal 1993;9(4):197-201.
  17. Rehman H, Begum W, Anjum F, Tabasum H, Zahid S. Effect of rhubarb (Rheum emodi) in primary dysmenorrhoea: a single-blind randomized controlled trial. J Complement Integr Med. 2015 Mar;12(1):61-9.
  18. Yu CP, Lin HJ, Lin SP, Shia CS, Chang PH, Hou YC, Hsieh YW. Rhubarb decreased the systemic exposure of cyclosporine, a probe substrate of P-glycoprotein and CYP 3A. Xenobiotica. 2016 Aug;46(8):677-82. PubMed
  19. Byeon JH, Kil JH, Ahn YC, Son CG. Systematic review of published data on herb induced liver injury. J Ethnopharmacol 2019;233:190-6. PubMed
  20. Zhao D, Feng SX, Zhang HJ, et al. Pharmacokinetics, tissue distribution and excretion of five rhubarb anthraquinones in rats after oral administration of effective fraction of anthraquinones from rheum officinale. Xenobiotica. 2021;51(8):916-925. PubMed

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Aloe 41 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm GmbH Scientific Publishers, 1994.
  3. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  4. Nusko G, Schneider B, Schneider I, et al. Anthranoid laxative use is not a risk factor for colorectal neoplasia: results of a prospective case control study. Gut 2000;46:651-5. PubMed
  5. Luyckx VA, Ballantine R, Claeys M, et al. Herbal remedy-associated acute renal failure secondary to Cape aloes. Am J Kidney Dis 2002;39:E13. PubMed
  6. Rajasekaran S, Sivagnanam K, Ravi K, Subramanian S. Hypoglycemic effect of Aloe vera gel on streptozotocin-induced diabetes in experimental rats. J Med Food 2004;7:61-6.
  7. Williams MS, Burk M, Loprinzi CL, et al. Phase III double-blind evaluation of an aloe vera gel as a prophylactic agent for radiation-induced skin toxicity. Int J Radiat Oncol Biol Phys 1996;36:345-9. PubMed
  8. Vogler BK, Ernst E. Aloe vera: a systematic review of its clinical effectiveness. Br J Gen Pract 1999;49:823-8.
  9. Bottenberg MM, Wall GC, Harvey RL, Habib S. Oral aloe vera-induced hepatitis. Ann Pharmacother 2007;41:1740-3. PubMed
  10. Rabe C, Musch A, Schirmacher P, et al. Acute hepatitis induced by an Aloe vera preparation: a case report. World J Gastroenterol 2005;11:303-4. PubMed
  11. Kanat O, Ozet A, Ataergin S. Aloe vera-induced acute toxic hepatitis in a healthy young man. Eur J Int Med 2006;17:589. PubMed
  12. Mueller SO, Stopper H. Characterization of the genotoxicity of anthraquinones in mammalian cells. Biochim Biophys Acta 1999;1428:406-14. PubMed
  13. Schorkhuber M, Richter M, Dutter A, et al. Effect of anthraquinone laxatives on the proliferation and urokinase secretion of normal, premalignant and malignant colonic epithelial cells. Eur J Cancer 1998;34:1091-8. PubMed
  14. Yang HN, Kim DJ, Kim YM, et al. Aloe-induced toxic hepatitis. J Korean Med Sci 2010;25:492-5. PubMed
  15. Choonhakarn C, Busaracome P, Sripanidkulchai B, et al. A prospective, randomized clinical trial comparing topical aloe vera with 0.1% triamcinolone acetonide in mild to moderate plaque psoriasis. J.Eur.Acad.Dermatol.Venereol. 2010;24:168-72. PubMed
  16. Ishii Y, Tanizawa H, Takino Y. Studies of aloe. IV. Mechanism of cathartic effect. (3). Biol Pharm Bull. 1994;17:495-7. PubMed
  17. Ishii Y, Tanizawa H, Takino Y. Studies of aloe. V. Mechanism of cathartic effect. (4). Biol Pharm Bull. 1994;17:651-3. PubMed
  18. Nelemans FA. Clinical and toxicological aspects of anthraquinone laxatives. Pharmacology. 1976;14 Suppl 1:73-7. PubMed
  19. Paulsen E, Korsholm L, Brandrup F. A double-blind, placebo-controlled study of a commercial Aloe vera gel in the treatment of slight to moderate psoriasis vulgaris. J Eur Acad Dermatol Venereol. 2005;19:326-31.
  20. Huseini HF, Kianbakht S, Hajiaghaee R, et al. Anti-hyperglycemic and anti-hypercholesterolemic effects of Aloe vera leaf gel in hyperlipidemic type 2 diabetic patients: a randomized double-blind placebo-controlled clinical trial. Planta Med. 2012;78:311-6
  21. Ferreira, M., Teixeira, M., Silva, E., and Selores, M. Allergic contact dermatitis to Aloe vera. Contact Dermatitis 2007;57(4):278-279.
  22. Choonhakarn, C., Busaracome, P., Sripanidkulchai, B., and Sarakarn, P. The efficacy of aloe vera gel in the treatment of oral lichen planus: a randomized controlled trial. Br J Dermatol 2008;158(3):573-577. PubMed
  23. Baretta, Z., Ghiotto, C., Marino, D., and Jirillo, A. Aloe-induced hypokalemia in a patient with breast cancer during chemotherapy. Ann.Oncol. 2009;20(8):1445-1446. PubMed
  24. Hunter, D. and Frumkin, A. Adverse reactions to vitamin E and aloe vera preparations after dermabrasion and chemical peel. Cutis 1991;47(3):193-196.
  25. Alvarez-Perea, A., Garcia, A. P., Hernandez, A. L., de, Barrio M., and Baeza, M. L. Urticaria due to aloe vera: a new sensitizer? Ann.Allergy Asthma Immunol. 2010;105(5):404-405. PubMed
  26. Hogan, D. J. Widespread dermatitis after topical treatment of chronic leg ulcers and stasis dermatitis. CMAJ. 2-15-1988;138(4):336-338.
  27. Savchak VI. Acute bullous allergic dermatitis due to local application of aloe leaves. Vestnik Dermatologii i Venerologii 1977;12:44-45.
  28. Nakamura, T. and Kotajima, S. Contact dermatitis from aloe arborescens. Contact Dermatitis 1984;11(1):51. PubMed
  29. Shoji, A. Contact dermatitis to Aloe arborescens. Contact Dermatitis 1982;8(3):164-167. PubMed
  30. Morrow, D. M., Rapaport, M. J., and Strick, R. A. Hypersensitivity to aloe. Arch Dermatol. 1980;116(9):1064-1065. DOI
  31. Cosmetic Ingredient Review Expert Panel. Final report on the safety assessment of AloeAndongensis Extract, Aloe Andongensis Leaf Juice,aloe Arborescens Leaf Extract, Aloe Arborescens Leaf Juice, Aloe Arborescens Leaf Protoplasts, Aloe Barbadensis Flower E
  32. Bhalang K, Thunyakitpisal P, Rungsirisatean N. Acemannan, a polysaccharide extracted from Aloe vera, is effective in the treatment of oral aphthous ulceration. J Altern Complement Med 2013;19(5):429-34.
  33. Hajheydari Z, Saeedi M, Morteza-Semnani K, Soltani A. Effect of Aloe vera topical gel combined with tretinoin in treatment of mild and moderate acne vulgaris: a randomized, double-blind, prospective trial. J Dermatolog Treat 2014;25(2):123-9.
  34. Jiménez-Encarnación E, Ríos G, Muñoz-Mirabal A, Vilá LM. Euforia-induced acute hepatitis in a patient with scleroderma. BMJ Case Rep 2012;2012. PubMed
  35. Lee J, Lee MS, Nam KW. Acute toxic hepatitis caused by an aloe vera preparation in a young patient: a case report with a literature review. Korean J Gastroenterol 2014;64(1):54-8. PubMed
  36. Guo X, Mei N. Aloe Vera - A Review of Toxicity and Adverse Clinical Effects. J Environ Sci Health C Environ Carcinog Ecotoxicol Rev 2016;34(2):77-96.
  37. Hoogenboom TCH, Patel N, Cook NA, Williams R, Taylor-Robinson SD, Lim AKP. The effect of Aloe vera juice on liver enzymes and hepatic structure in a healthy population. Integr Med (Encinitas) 2020;19(3):30-4.
  38. Mushtaq S, Mushtaq Z, Sarfraz J, et al. Comparison of effect of aloe vera gel with aspirin and celecoxib on platelet aggregation. Professional Med J. 2020; 27(5):973-978. DOI
  39. Haron MH, Dale O, Martin K, et al. Evaluation of the Herb-Drug Interaction Potential of Commonly Used Botanicals on the US Market with Regard to PXR- and AhR-Mediated Influences on CYP3A4 and CYP1A2. J Diet Suppl 2022. PubMed
  40. Sabbaghzadegan S, Soltani MH, Kamalinejad M, Bahrami M, Kabir A, Dadmehr M. The effect of a standardized capsule of Aloe vera gel on the quality of life in patients with systolic heart failure: A randomized double-blind placebo-controlled clinical trial.
  41. Lewis ED, Crowley DC, Guthrie N, Evans M. Healthy adults supplemented with a nutraceutical formulation containing Aloe vera gel, rosemary and Poria cocos enhances the effect of influenza vaccination in a randomized, triple-blind, placebo-controlled trial. PubMed

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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.

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