Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Activated Charcoal Ingredients & Drug Interactions

by Herb Stop

Activated Charcoal label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Activated Charcoal 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

Activated Charcoal is a dietary supplement by Herb Stop with 1 active ingredient. Its ingredients are commonly taken for poisoning and drug overdose (in emergency care), gas and bloating, upset stomach.Based on those ingredients, 2,027 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Charcoal, Activated. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Activated Charcoal by Herb Stop

Ask about any prescription or over-the-counter medication and we check it for interactions with Activated Charcoal by Herb Stop — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Activated Charcoal by Herb Stop

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 1 active ingredient.

Herb Stop Activated Charcoal is a single-ingredient supplement in capsule form. The active ingredient is charcoal that's been specially treated (activated) to increase its ability to bind to substances in your digestive tract.

The capsules also contain inactive ingredients: hydroxypropyl methylcellulose and purified water.

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: natural absorbent agent.
  • We looked for evidence on: Poisoning, Flatulence, Dyspepsia, gas and bloating, upset stomach, diarrhea.
  • The strongest evidence on file: Activated Charcoal is rated "Possibly Effective" for Poisoning (Natural Medicines).
  • Also on file: Activated Charcoal is rated "Insufficient Reliable Evidence To Rate" for Chemotherapy-induced diarrhea, Dyspepsia, Flatulence.

The evidence we hold rates activated charcoal as possibly effective for poisoning — that's when emergency departments use it after certain overdoses or toxic ingestions. For other uses listed in our data, the evidence isn't established: hyperphosphatemia, wound healing, indigestion, hangover relief, and high cholesterol all have insufficient reliable evidence.

If you're considering this for something other than acute poisoning, talk with your pharmacist about whether the data supports that use.

The evidence, ingredient by ingredient Activated Charcoal

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Activated charcoal is generally well tolerated for short-term use, but it commonly causes constipation, and may also cause abdominal pain, black stools, bloating, and gas. Rarely, it can lead to serious gastrointestinal blockage.

It's also not well studied for routine use during pregnancy — the data we hold rates it possibly safe, but you should use it only under medical guidance if you're pregnant or breastfeeding. Little safety data exists overall, so check with your doctor or pharmacist before starting.

Side effects, ingredient by ingredient Activated Charcoal

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?
  • 1 of the 1 matched ingredient can interact with medications — Activated Charcoal.
  • The most serious interaction on file is rated Major.
  • For scale: 2,028 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 you take Herb Stop Activated Charcoal, double-check any oral medications you take regularly — activated charcoal can reduce how much your body absorbs, which may lower their effectiveness. If you use oral contraceptives (birth control pills), be aware that activated charcoal may reduce how well they work and increase the risk of contraceptive failure.

If you drink alcohol, know that it can reduce how well the charcoal works.

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.

Activated charcoal is used in emergency settings for certain poisonings, but if you're thinking about it for everyday use, the evidence for most other conditions isn't solid. The bigger issue is that it binds to many medications and can make them less effective — that's a Major concern if you take regular prescriptions, especially birth control or heart drugs.

Talk to your pharmacist before adding this to your routine.

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

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2023.

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 Activated Charcoal, straight from the product label.

Brand Herb Stop
Net contents 300 Veggie Capsule(s)
Market status On market
Date entered into DSLD Sep 25, 2023
DSLD ID 297137
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Women (not pregnant or lactating), Dairy 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 Activated Charcoal by Herb Stop, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
300
IngredientAmount% DV
Charcoal, Activated0 NP--

Other ingredients: Hydroxypropyl Methylcellulose, Water, Purified

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.
Brand IP Statement(s)

Herb Stop Botanical Medicine Boutique

Formula

Activated charcoal Coconut shell source

Formulation

Natural absorbent agent Vegan & cruelty free

Vegan & cruelty free

Our Guarantee This product is 100% natural, vegan & vegetarian safe.

There are no fillers, no preservatives, no artificial colors/dyes, or any other ingredients.

100% pure botanical ingredients. This product is proudly made in the USA.

FDA Statement of Identity

Herbal Supplement

Suggested/Recommended/Usage/Directions

Suggested Use As a dietary supplement, take 1 to 2 capsules with plenty of water, or as directed by your qualified healthcare professional.

General Statements

Less plastic makes a healthier planet.

Precautions

Safety Guideline Not to be used during pregnancy or lactation. If you have a medical condition or take pharmaceutical drugs, please consult with your doctor before use.

Keep away from children.

Use only as directed on label.

FDA Disclaimer Statement

These statements have not been evaluated by the FDA. This product is not meant to diagnose, treat, cure or prevent any disease.

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

See for yourself

Activated Charcoal by Herb Stop label

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

Activated Charcoal 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 Activated Charcoal by Herb Stop

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

Serving size1 Capsule(s) Dosage formCapsule Servings per container300 Amounts shown are per serving.

Charcoal, Activated

Interacts with
2,027 drugs
0 NP per serving Form: Coconut

Activated charcoal is a highly porous form of carbon that can bind certain substances in the gut, and it is used in hospitals to treat some poisonings...

Charcoal, Activated monograph & interactions

Other (inactive) ingredients: Hydroxypropyl Methylcellulose, Water, Purified. These complete the product’s ingredient list but are not active constituents.

Interaction report

Activated Charcoal by Herb Stop Drug Interactions

Want to check YOUR meds against Activated Charcoal?

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
2,027Drugs
2,022 Major 5 Moderate

Ingredients driving the most interactions

Charcoal, Activated 2,027

Individual Drug Interactions

The ingredients in Activated Charcoal interact with 2,027 drugs. Click any drug to see the details.

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

Each ingredient & the kinds of drugs it affects

For each ingredient in Activated Charcoal 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.

Charcoal, Activated3 drug types · 2,027 drugs

Oral Drugs

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.
Activated charcoal adsorbs various drugs and may reduce their absorption and/or half-life. Examples of affected drugs include acetaminophen, aminophylline, amiodarone, atenolol, carbamazepine, dapsone, digoxin, disopyramide, fluoxetine, indomethacin, moxifloxacin, nadolol, phenytoin, phenobarbital, piroxicam, quinine, sotalol, theophylline, tricyclic antidepressants, valproate, and verapamil. Avoid co-administration, except after drug overdose.

Likelihood Probable Evidence B
Alcohol (Ethanol)

The binding action of activated charcoal may be reduced by alcohol.
Alcohol may lower the adsorptive capacity of activated charcoal.

Likelihood Probable Evidence D
Contraceptive Drugs

Activated charcoal may reduce the clinical effects of oral contraceptives.
Activated charcoal, taken in a dose of 5 grams four times daily for 3 days, may bind to, and reduce the absorption of, oral contraceptives, thereby limiting their effectiveness and increasing the risk of contraceptive failure. However, some clinical research shows that the risk for this interaction is minimal when activated charcoal is taken either 3 hours after or at least 12 hours before oral contraceptives.

Likelihood Possible Evidence B
Charcoal, Activated full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Activated Charcoal, from the product label.

Herb Stop

See all Herb Stop products
Name
The Herb Stop
Street Address
PO Box 673
City
Pine
State
AZ
ZipCode
85544
Phone Number
877.345.4372
Web Address
www.herbstop.com
Pharmacist Counseling Corner

Activated Charcoal by Herb Stop: Common Questions

Does Activated Charcoal by Herb Stop interact with any medications?
Yes. Based on its ingredients, Activated Charcoal has a known interaction with 2,027 medications, including 2022 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Activated Charcoal contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will activated charcoal make my birth control less effective?
Possibly. Activated charcoal may bind to oral contraceptives and reduce their absorption, which could lower their effectiveness and increase the risk of contraceptive failure. If you take birth control, talk with your pharmacist or doctor before using activated charcoal — you may need to adjust timing or consider other options.
What are the most common side effects?
The most common side effects are gastrointestinal: constipation (the most frequent), black stools, abdominal pain, bloating, and gas. These are usually mild and temporary. Rarely, it can cause a serious blockage in your digestive tract.
Can I use this if I'm pregnant?
The data we hold rates activated charcoal as possibly safe in pregnancy, but it's not well studied for routine use. If you're pregnant or breastfeeding, use it only under the guidance of your doctor or pharmacist — don't start it on your own.
Is this product effective for hangovers or high cholesterol?
We don't have reliable evidence that activated charcoal works for either of those. For both hangover relief and cholesterol, the evidence is insufficient. It's only rated possibly effective for poisoning.
How long can I safely take activated charcoal?
The data we hold notes it's generally low-risk for short-term use, but little safety data exists for long-term routine use. If you're thinking about taking it regularly, talk with your doctor or pharmacist first.

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.

Activated Charcoal label
Go deeper

The Full Monographs Behind Activated Charcoal’s Ingredients

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

Herb & supplement monograph

Activated Charcoal

Interacts with 2,027 drugs

Activated charcoal is a highly porous form of carbon that can bind certain substances in the gut, and it is used in hospitals to treat some poisonings and overdoses. For everyday uses like g...

Read the full Activated Charcoal monograph →
Sources

Sources & How We Checked

Activated Charcoal'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 14 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.

Activated Charcoal 14 references
  1. Kaaja RJ, Kontula KK, Raiha A, Laatikainen T. Treatment of cholestasis of pregnancy with peroral activated charcoal. A preliminary study. Scand J Gastroenterol 1994;29:178-81.
  2. Anon. Position statement and practice guidelines on the use of multi-dose activated charcoal in the treatment of acute poisoning. American Academy of Clinical Toxicology; European Association of Poisons Centres and Clinical Toxicologists. J Toxicol Clin T
  3. Park GD, Spector R, Kitt TM. Superactivated charcoal versus cholestyramine for cholesterol lowering: a randomized cross-over trial. J Clin Pharmacol 1988;28:416-9. PubMed
  4. Hoegberg LC, Angelo HR, Christophersen AB, Christensen HR. Effect of ethanol and pH on the adsorption of acetaminophen (paracetamol) to high surface activated charcoal, in vitro studies. J Toxicol Clin Toxicol 2002;40:59-67. PubMed
  5. Brahmi N, Kouraichi N, Thabet H, Amamou M. Influence of activated charcoal on the pharmacokinetics and the clinical features of carbamazepine poisoning. Am J Emerg Med 2006;24(4):440-3. PubMed
  6. Gude AB, Hoegberg LC, Angelo HR, Christensen HR. Dose-dependent adsorptive capacity of activated charcoal for gastrointestinal decontamination of a simulated paracetamol overdose in human volunteers. Basic Clin Pharmacol Toxicol 2010;106(5)406-10. PubMed
  7. Wananukul W, Klaikleun S, Sriapha C, Tongpoo A. Effect of activated charcoal in reducing paracetamol absorption at supra-therapeutic dose. J Med Assoc Thai 2010;93(10):1145-9.
  8. Wang Z, Cui M, Tang L, et al. Oral activated charcoal suppresses hyperphosphataemia in haemodialysis patients. Nephrology (Carlton) 2012;17(7):616-20. PubMed
  9. Wang X, Mondal S, Wang J, et al. Effect of activated charcoal on apixaban pharmacokinetics in healthy subjects. Am J Cardiovasc Drugs 2014;14(2):147-54. PubMed
  10. Chyka PA, Seger D, Krenzelok EP, et al. Position paper: single-dose activated charcoal. Clin Toxicol (Phila) 2005;43(2):61-87. PubMed
  11. Chiew AL, Gluud C, Brok J, Buckley NA. Interventions for paracetamol (acetaminophen) overdose. Cochrane Database Syst Rev 2018;2:CD003328. PubMed
  12. Elomaa K, Ranta S, Tuominen J, Lähteenmäki P. Charcoal treatment and risk of escape ovulation in oral contraceptive users. Hum Reprod. 2001;16(1):76-81. PubMed
  13. Gao Y, Wang G, Li Y, Lv C, Wang Z. Effects of oral activated charcoal on hyperphosphatemia and vascular calcification in Chinese patients with stage 3-4 chronic kidney disease. J Nephrol. 2019;32(2):265-72. PubMed
  14. Skov K, Graudal NA, Jürgens G. The effect of activated charcoal on drug exposure following intravenous administration: A meta-analysis. Basic Clin Pharmacol Toxicol 2021;128(4):568-578. PubMed

See these in context on the Activated Charcoal monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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