Major interaction on record — check this product against your medications before combining. Based on 8 of 9 ingredients. Check your meds →
Dietary supplement

Natural Laxative Ingredients & Drug Interactions

by Gaia Herbs

Tablet Or Pill Category: Botanical
Most serious interaction: Major
The interaction bottom line Most serious interaction: Major

Natural Laxative is a dietary supplement by Gaia Herbs with 9 active ingredients. Its ingredients are commonly taken for digestive upset and bloating, infant colic, menstrual cramps.Based on those ingredients, 1,290 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Fennel, Boldo, organic Cape Aloe (Aloe ferox) juice powder. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Natural Laxative by Gaia Herbs

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

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 2 of its 9 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (373 mg) without saying how much of each component you get.

This tablet contains nine active ingredients in a proprietary blend plus fennel essential oil. The main laxative components are senna and aloe latex, which work by stimulating bowel movements.

The blend also includes fennel, dandelion, caraway, cumin, boldo, and chicory—traditional digestive herbs that may support gut function through various mechanisms, though the evidence for most is limited or unclear. The product contains no inactive ingredients listed.

Does it work?

Strong 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
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Occasional constipation relief.
  • We looked for evidence on: Constipation, Bowel preparation, Occasional irregularity, Digestive regularity.
  • The strongest evidence on file: Senna is rated "Likely Effective" for Constipation (Natural Medicines).
  • Also on file: Aloe is rated "Possibly Effective" for Constipation.
  • Also on file: Senna is rated "Possibly Effective" for Bowel preparation.

Senna is rated Likely Effective for constipation—it's one of the few ingredients here with solid evidence. Aloe latex is rated Possibly Effective for constipation as well.

Fennel is Possibly Effective for period cramps (dysmenorrhea). Caraway is Possibly Effective for indigestion (dyspepsia).

The remaining ingredients—dandelion, cumin, boldo, and chicory—lack reliable evidence for the conditions they're traditionally used for, so their contribution to the product's effectiveness is unclear.

The evidence, ingredient by ingredient Fennel Dandelion Caraway Cumin Boldo Chicory Senna 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 8 of the 8 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 8 of 8.
  • General safety write-ups exist for 8 of 8.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Senna and aloe are generally well tolerated in short-term use at standard doses, though both can cause stomach discomfort, cramps, and diarrhea. Senna is not meant for long-term daily use without medical advice.

Fennel is generally safe as a food but the concentrated supplement form and essential oil warrant caution; rarely, seizures have been reported. Allergic reactions are possible with fennel, dandelion, caraway, cumin, and chicory, especially in people sensitive to ragweed or related plants.

Boldo carries a significant safety concern: it contains ascaridole, a liver toxin, and case reports document hepatotoxicity (elevated liver enzymes, jaundice) in people taking medicinal amounts. Aloe latex can cause severe potassium depletion with long-term overuse, risking muscle weakness and irregular heartbeats.

Regarding pregnancy and breastfeeding: Fennel and aloe latex are rated Possibly Unsafe in pregnancy. Boldo is Possibly Unsafe in pregnancy and should be avoided while breastfeeding.

Senna is Possibly Safe in both pregnancy and lactation when used short-term and appropriately. Dandelion, caraway, cumin, and chicory have limited safety data in pregnancy; caraway and chicory are Possibly Unsafe in pregnancy.

No pregnancy or lactation data were on file for cumin.

Side effects, ingredient by ingredient Fennel Dandelion Caraway Cumin Boldo Chicory Senna 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?
  • 8 of the 8 matched ingredients can interact with medications — Chicory, Caraway, Fennel, Boldo, Aloe, 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; lithium.
  • For scale: 1,291 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, double-check with your pharmacist if you take: heart medications, especially digoxin (Major risk); blood thinners like warfarin or aspirin; diabetes medications; blood pressure drugs; diuretics (water pills); estrogen-containing birth control or hormone therapy; or any sedating medications. Interactions range from Major to Moderate severity across these drug types.

Check your own medication Run your meds through the checker above

The bottom line

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

This product is designed as a short-term constipation aid and combines proven laxatives with traditional digestive herbs. If you take any blood-thinning medications, heart drugs (especially digoxin), diabetes or blood pressure medicines, or hormone therapies, check your medications here first—interactions are common and sometimes serious.

People with liver disease should avoid boldo. Pregnant or breastfeeding?

Talk with your pharmacist or doctor before use.

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

Assessment coverage: 9 of 9 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jan 25, 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

At a glance

General information

Key facts about Natural Laxative, straight from the product label.

Brand Gaia Herbs
Barcode (UPC) 751063996211
Net contents 90 Tablet(s)
Market status Off market
Date entered into DSLD Jan 25, 2020
DSLD ID 210884
Product type Botanical
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Natural Laxative by Gaia Herbs, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Tablet(s)
Maximum serving Sizes:
2 Tablet(s)
Servings per container
45
UPC/BARCODE
751063996211
IngredientAmount% DV
Proprietary Blend373 mg--
Fennel0 NP--
organic Dandelion0 NP--
Caraway0 NP--
Cumin0 NP--
Boldo0 NP--
Fennel (Foeniculum vulgare) fruit essential oil0 NP--
organic Senna244 mg--
organic Cape Aloe (Aloe ferox) juice powder183 mg--
organic Chicory0 NP--

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Suggested Use Adults take 1 to 2 tablets with a glass of water in the evening. Maximum time of use is 10 days.

Precautions

Notice: This product contains Senna and Cape Aloe. Read and follow directions carefully. Do not use if you have or develop diarrhea, loose stools, or abdominal pain because Senna and Cape Aloe may worsen these conditions and be harmful to your health.

Consult your physician if you have frequent diarrhea, taking medication, or have a medical condition. Do not take if pregnant or nursing.

General Statements

meetyourherbs.com

meetyourherbs.com Gaia Herbs delivers unprecedented traceability by screening every product and sharing the results online. Learn more about your herbs, by entering the unique ID # below at meetyourherbs.com

Connecting plants & people since 1987 Purity - Keep it clean All products are screened for pesticides, microbes, & heavy metals. Integrity - Keep it real See the proof at meetyourherbs.com, the world's first herb traceability platform. Potency - Keep it strong Provides natural support when you need it on your journey to living well. Discover our guiding truths at: Facebook Instagram gaiaherbs.com @gaiaherbs A partnership of mutual beliefs

Natural Laxative is produced in Tuscany, Italy, by Aboca, the herbal supplement leader in Europe since 1978. Gaia Herbs' partnership with Aboca is born from a mutual belief in sustainable product development, dedication to quality, and a deep respect for science and nature working in harmony. Aboca New Look Same Formula

FDA Statement of Identity

Herbal Supplement

Formulation

Product of Italy

Vegan

Gluten-free Soy-free

Gentle overnight relief from occasional constipation

Digestive Support

Seals/Symbols

Integrity Purity Potency EST 1987 USA

Certified B Corporation

Formula

With Senna leaf & Cape Aloe

FDA Disclaimer Statement

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

See for yourself

Natural Laxative by Gaia Herbs label

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

What’s inside

The Ingredients in Natural Laxative by Gaia Herbs

These are the 9 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container45 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

373 mg per serving

Organic Senna

Interacts with
140 drugs
244 mg per serving

Senna is a plant-based stimulant laxative that is widely used and generally effective for short-term relief of constipation. It is best used occasiona...

Organic Senna monograph & interactions
183 mg per serving

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 str...

Organic Cape Aloe (Aloe ferox) juice powder monograph & interactions
Interaction report

Natural Laxative by Gaia Herbs Drug Interactions

Want to check YOUR meds against Natural Laxative?

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
1,290Drugs
1 Major 1,289 Moderate

Ingredients driving the most interactions

Fennel 740
Boldo 482
Caraway 413

Each ingredient & the kinds of drugs it affects

For each ingredient in Natural Laxative 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.

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

Boldo5 drug types · 482 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking boldo with anticoagulant/antiplatelet drugs might increase the risk of bleeding.
Animal and in vitro research shows that boldine, a constituent of boldo, has antiplatelet activity. In one case report, an adult taking a combination of boldo and fenugreek with warfarin experienced an increase in international normalized ratio (INR); however, it is unclear if this effect was due to boldo, fenugreek, the combination, or another factor.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, taking boldo with hepatotoxic drugs might increase the risk of hepatic injury and disease.
Boldo leaf contains ascaridole, a known liver toxin. Many cases of hepatotoxicity, including elevated liver transaminase levels and jaundice, have been reported in patients taking boldo.

Likelihood Possible Evidence D
Lithium

Theoretically, taking boldo with lithium might increase the levels and clinical effects of lithium.
Boldo is believed to have diuretic effects. Theoretically, these diuretic effects might reduce the excretion of lithium. The dose of lithium might need to be decreased.

Likelihood Probable Evidence D
Tacrolimus (Prograf)

Taking boldo with tacrolimus may decrease the levels and clinical effects of tacrolimus, potentially increasing the risk of transplant rejection.
In one case report, a patient with a long-term history of stable tacrolimus levels developed subtherapeutic levels after taking boldo 300 mg twice daily orally for several weeks. Tacrolimus levels returned to normal after discontinuing boldo. However, the mechanism of this interaction is unclear.

Likelihood Possible Evidence D
Warfarin (Coumadin)

A combination of boldo and fenugreek was thought to be associated with an increased international normalized ratio (INR) in a female on warfarin. It is not clear if boldo, fenugreek, or the combination played a role in this interaction. Therefore, boldo may have additive effects with warfarin.

Likelihood Possible Evidence D

organic Cape Aloe (Aloe ferox) juice powder7 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

organic Dandelion7 drug types · 457 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking dandelion root along with anticoagulant or antiplatelet drugs might increase the risk of bruising and bleeding.
In vitro research suggests that dandelion root inhibits platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, dandelion might increase the risk for hypoglycemia when used with antidiabetes drugs.
Laboratory research suggests that dandelion extract may have moderate alpha-glucosidase inhibitor activity and might also increase insulin secretion. Also, in a case report, a 58-year-old woman with type 2 diabetes who was being treated with insulin developed hypoglycemia 2 weeks after beginning to eat salads containing dandelion.

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

Theoretically, dandelion might increase levels of drugs metabolized by CYP1A2.
Laboratory research suggests that dandelion might inhibit CYP1A2. So far, this interaction has not been reported in humans. However, until more is known, watch for an increase in the levels of drugs metabolized by CYP1A2 in patients taking dandelion.

Likelihood Possible Evidence D
Glucuronidated Drugs

Theoretically, dandelion might increase the clearance of drugs that are UDP-glucuronosyltransferase substrates.
There is some preliminary evidence that dandelion might induce UDP-glucuronosyltransferase, a phase II enzyme.

Likelihood Possible Evidence D
Lithium

Theoretically, through diuretic effects, dandelion might reduce excretion and increase levels of lithium.
Animal research suggests that dandelion has diuretic properties. As diuretics can increase serum lithium levels, the dose of lithium might need to be decreased when taken with dandelion.

Likelihood Probable Evidence D
Potassium-Sparing Diuretics

Theoretically, dandelion might increase the risk of hyperkalemia when taken with potassium-sparing diuretics.
Dandelion contains significant amounts of potassium.

Likelihood Possible Evidence D
Quinolone Antibiotics

Theoretically, dandelion might lower fluoroquinolone levels.
Animal research shows that dandelion reduces absorption of ciprofloxacin and can lower levels by 73%. However, this effect has not been reported in humans.

Likelihood Possible Evidence D

Caraway7 drug types · 413 drugs

Antidiabetes Drugs

Theoretically, caraway might increase the risk of hypoglycemia when used with antidiabetes drugs.
Animal research suggests that caraway can reduce blood glucose levels. Monitor blood glucose levels closely. Medication dose adjustments may be necessary.

Likelihood Possible Evidence D
Cns Depressants

Theoretically, caraway might increase the effects and adverse effects of CNS depressants.
Animal research suggests that (S)-(+)-carvone, a major constituent of caraway seed extract, has sedative effects.

Likelihood Possible Evidence D
Diuretic Drugs

Theoretically, caraway might increase the risk of hypokalemia when used with diuretics that deplete potassium.
Animal research suggests that a single dose of caraway fruit extract can promote diuresis and increase the urinary excretion of sodium and potassium. However, sub-chronic use of caraway fruit extract does not seem to significantly increase potassium excretion, although urine output continues to be increased for up to 6 days.

Likelihood Possible Evidence D
Lithium

Theoretically, caraway might reduce excretion and increase levels of lithium due to diuretic effects.
Animal research suggests that caraway fruit extract has diuretic properties.

Likelihood Possible Evidence D
Isoniazid

Theoretically, caraway might increase the effects and adverse effects of isoniazid.
Animal research suggests that a specific fraction of caraway seed extract (CC-1a) can increase plasma levels of isoniazid when administered concomitantly. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Pyrazinamide

Theoretically, caraway might increase the effects and adverse effects of pyrazinamide.
Animal research suggests that a specific fraction of caraway seed extract (CC-1a) can increase plasma levels of pyrazinamide when administered concomitantly. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Rifampin (Rifadin)

Theoretically, caraway might increase the effects and adverse effects of rifampin.
Animal research suggests that a specific fraction of caraway seed extract (CC-1a) can increase plasma levels of rifampin when administered concomitantly. This interaction has not been reported in humans.

Likelihood Possible Evidence D

Cumin3 drug types · 211 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, cumin might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
In vitro evidence suggests that cumin can inhibit platelet aggregation. Theoretically, cumin might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, cumin might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that cumin can lower blood sugar in diabetic animals. However, research in humans with and without diabetes has found conflicting results.

Likelihood Probable Evidence D
Rifampin (Rifadin)

Theoretically, cumin might increase the effects and adverse effects of rifampin.
Animal research suggests that an aqueous extract of cumin containing a specific flavonoid glycoside can increase the bioavailability and plasma levels of rifampin.

Likelihood Possible Evidence D

organic Senna5 drug types · 140 drugs

Digoxin (Lanoxin)

Theoretically, senna might increase the risk of adverse effects when taken with digoxin.
Overuse/abuse of senna increases the risk of adverse effects from cardiac glycosides, such as digoxin, due to potassium depletion.

Likelihood Possible Evidence D
Diuretic Drugs

Theoretically, senna might increase the risk of hypokalemia when taken with diuretic drugs.
Overuse of senna might compound diuretic-induced potassium loss and increase the risk for hypokalemia.

Likelihood Possible Evidence D
Estrogens

Theoretically, taking senna may interfere with the absorption of exogenous estrogens.
Some preliminary clinical evidence suggests that senna reduces the absorption of estradiol and decreases serum concentrations of estrone and estrone sulfate by decreasing intestinal transit time.

Likelihood Possible Evidence B
Stimulant Laxatives

Theoretically, senna might increase the risk for fluid and electrolyte loss when taken with other stimulant laxatives.
Senna is a stimulant laxative; concomitant use with other stimulant laxatives might compound fluid and electrolyte loss.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Theoretically, excessive use of senna might increase the effects of warfarin.
Senna 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. In one case report, excessive use of senna for 3 weeks resulted in diarrhea, bloody stools, and an elevated INR of 11.9.

Likelihood Possible Evidence D

organic Chicory1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, chicory might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal and in vitro research shows that chicory extracts have antidiabetic effects.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Natural Laxative, from the product label.

Gaia Herbs

See all Gaia Herbs products
Name
Gaia Herbs by Aboca S.p.A. - Italy.
Pharmacist Counseling Corner

Natural Laxative by Gaia Herbs: Common Questions

Does Natural Laxative by Gaia Herbs interact with any medications?
Yes. Based on its ingredients, Natural Laxative has a known interaction with 1,290 medications, including 1 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Natural Laxative contains 9 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 this safe to take if I'm on warfarin or other blood thinners?
No, not without checking first. Fennel, dandelion, cumin, boldo, senna, and aloe all carry a Moderate-severity interaction with blood thinners and can increase your bleeding risk. Talk to your pharmacist or doctor—you may need dose adjustments or monitoring.
Can I take this if I'm on birth control pills?
Not without checking with your doctor. Fennel can theoretically reduce birth control effectiveness, and senna may interfere with estrogen absorption. These are Moderate interactions, so it's worth a conversation with your pharmacist.
What's the main ingredient that makes this work as a laxative?
Senna and aloe latex. Senna is rated Likely Effective for constipation; aloe is Possibly Effective. Both stimulate bowel movements. The other ingredients are traditional digestive herbs, but most lack solid evidence for their claimed benefits.
Is this okay to use long-term?
No. Senna is not recommended for long-term daily use without medical guidance. Prolonged overuse of either senna or aloe can cause serious potassium loss and related problems. This is designed for short-term, occasional use.
Why does the product contain boldo if it can harm the liver?
Boldo is a traditional digestive herb, but the data we hold show it contains ascaridole, a liver toxin, with case reports of hepatotoxicity. If you have liver disease or take other liver-harming drugs, avoid this product or talk to your doctor first.
Can I take this while pregnant?
Not without talking to your doctor. Fennel, aloe, and boldo are rated Possibly Unsafe in pregnancy. Senna is Possibly Safe when used short-term and appropriately under guidance. Caraway and chicory also have cautions. Pregnancy is a time to check with your healthcare provider before trying any supplement.

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.

Natural Laxative label
Go deeper

The Full Monographs Behind Natural Laxative’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

Dandelion

Interacts with 457 drugs

Dandelion is a common plant used in food and traditional medicine, often promoted as a natural 'water pill' and digestive aid. Human evidence for these uses is very limited, so its benefits...

Read the full Dandelion monograph →
Herb & supplement monograph

Caraway

Interacts with 413 drugs

Caraway is a common cooking spice that has long been used to ease gas, bloating, and indigestion. Some evidence suggests caraway oil—often combined with peppermint oil—may help with indigest...

Read the full Caraway monograph →
Herb & supplement monograph

Cumin

Interacts with 211 drugs

Cumin is a common cooking spice that has a long history in traditional medicine for digestion and other complaints. Food amounts are generally safe for most people, but the evidence for medi...

Read the full Cumin monograph →
Herb & supplement monograph

Boldo

Interacts with 482 drugs

Boldo is a South American shrub whose leaves are traditionally used for digestive and gallbladder complaints, but good human evidence is very limited. The leaves and oil contain ascaridole,...

Read the full Boldo monograph →
Herb & supplement monograph

Chicory

Interacts with 86 drugs

Chicory is best known as a caffeine-free coffee substitute and as a source of inulin, a soluble prebiotic fiber that may support digestion and regularity. Strong human evidence for most othe...

Read the full Chicory monograph →
Herb & supplement monograph

Senna

Interacts with 140 drugs

Senna is a plant-based stimulant laxative that is widely used and generally effective for short-term relief of constipation. It is best used occasionally and for only a few days at a time, s...

Read the full Senna 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

Natural Laxative'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 171 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.
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Caraway 11 references
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Cumin 10 references
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Boldo 10 references
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Senna 42 references
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Aloe 41 references
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Chicory 13 references
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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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