Charcoal

Mechanism-of-action class: Chelating Activity.

• ​USES: ​Temporarly relieves simple nervous tension.**

DIECTIONS: Adults & children above 12 years: 10 drops orally 3 times daily, or as directed by a health care professional.

Consult a physician for use in chlidren under 12 years of age. IF PRAGNANT OR BREAST-FEEDING, ask a health care professional before use. KEEP OUT OF THE REACH OF CHILDREN. In case of overdose (or accidential ingestion) get medical help or contact a Poison Control Center right away. Do not use if TAMPER EVIDENT seal is broken or missing.

1. 1Drug Ineffective1957.5%
2. 2Fatigue1786.8%
3. 3Diarrhoea1666.3%
4. 4Nausea1626.2%
5. 5Overdose1626.2%
6. 6Off Label Use1616.2%
7. 7Rash1515.8%
8. 8Dizziness1485.7%
9. 9Pain1395.3%
10. 10Toxicity To Various Agents1375.2%
11. 11Headache1355.2%
12. 12Vomiting1224.7%
13. 13Arthralgia1184.5%
14. 14Abdominal Discomfort1114.2%
15. 15Condition Aggravated1064.1%

Recent PubMed references pinned to Charcoal as a MeSH major topic. Citations link to pubmed.ncbi.nlm.nih.gov.

• Applications and mechanisms of biochar-mycorrhizal synergies in agriculture based on systematic review.
  PeerJ · 2026 · Setyawan HY, Widyastuti E, Sugiarto Y, et al.
  PMID 42261315DOI 10.7717/peerj.21336
• Effects of Charcoal-Based Mouthwashes on Color Change and Surface Roughness of a Stained Resin Composite.
  Operative dentistry · 2026 · Naiboğlu P, Yücel Z, Yücel AÇ, et al.
  PMID 42259523DOI 10.2341/25-088-L
• Sustainable valorization of citrus pomace waste: biochar production and in vitro bioactivities.
  Veterinary research communications · 2026 · Spedale C, Chiofalo V, Dell'Anno M, et al.
  PMID 42247049DOI 10.1007/s11259-026-11291-4
• Techno-Economic and Environmental Assessment of Magnesium-Impregnated Rice Husk Biochar for Nutrient Removal: A Scale-Up and Prospective Soil Application Approach.
  Water environment research : a research publication of the Water Environment Federation · 2026 · Lugo-Arias J, Villa-Parejo J, Escorcia G, et al.
  PMID 42240580DOI 10.1002/wer.70434
• Acid Yellow 36, Methyl Red, and Methylene Blue adsorption using ammonia-modified red algae biochar: isotherm, kinetic, regeneration, and ANN studies.
  Scientific reports · 2026 · Hassaan MA, Yılmaz M, Sikaily AE, et al.
  PMID 42236514DOI 10.1038/s41598-026-55117-4
• Modified biochar-based oxidase-like catalyst for dual-signal detection of soil alkaline phosphatase.
  Analytica chimica acta · 2026 · Cai R, Zhang Z, Li Q, et al.
  PMID 42230020DOI 10.1016/j.aca.2026.345669
• A Comparison of the Efficacy of Charcoal and Non-Charcoal-Bristled Electric Toothbrushes on Coffee Stain Removal and Surface Enamel Roughness: An in vitro study.
  Journal of dental hygiene : JDH · 2026 · Ajai S, Agnihotri R
  PMID 42225422
• Valorization of bamboo vinegar through modified biochar for synergistic cadmium immobilization and phosphorus activation in saline alkaline soil.
  Bioresource technology · 2026 · Yang C, Xie Y, Wei L, et al.
  PMID 42219121DOI 10.1016/j.biortech.2026.135032

The 10 most recently updated of 155 ClinicalTrials.gov registrations naming Charcoal as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.

• The Effect of AC-134 in Chronic Kidney Diseases
  Completed · Interventional · 100 enrolled · Taichung Veterans General Hospital
  NCT06441435updated 2026-06-12
• Cigarette Filter Study
  Recruiting · Interventional · 252 enrolled · Rutgers, The State University of New Jersey
  NCT07348679updated 2026-06-05
• Evaluation of the Quality of Life Induced by the Cinnamon Anti-odor Dressing in Patients With Malodorous Wounds
  Recruiting · Interventional · 98 enrolled · Assistance Publique - Hôpitaux de Paris
  NCT05685628updated 2026-05-28
• Efficacy and Safety Studies of Frexalimab (SAR441344) in Adults With Relapsing Forms of Multiple Sclerosis
  Active not recruiting · Phase 3 · Interventional · 1,655 enrolled · Sanofi
  NCT06141473updated 2026-05-14
• Operating Room Air Filtration/Sterilization
  Active not recruiting · Interventional · 66,273 enrolled · The Cleveland Clinic
  NCT04610294updated 2026-05-06
• Comparative Clinical Assessment of Charcoal and Conventional Toothbrushes
  Completed · Interventional · 36 enrolled · Cairo University
  NCT07563413updated 2026-05-04
• Plaque Removal in Children Using Charcoal and Nylon Toothbrushes
  Not yet recruiting · Interventional · 50 enrolled · Cairo University
  NCT07563400updated 2026-05-04
• Scents of Progress: Leveraging a Novel Device for Olfactory Training in Older Adults
  Recruiting · Interventional · 60 enrolled · Johns Hopkins University
  NCT06733636updated 2026-04-13
• Activated CHARcoal in Poisoned Patient - Pilot Trial
  Recruiting · Phase 4 · Interventional · 100 enrolled · Laval University
  NCT05471479updated 2026-01-29
• Evaluation of Bacterial Contamination and Antimicrobial Efficacy on Charcoal-Infused vs, Standard Nylon Toothbrush Bristles.
  Completed · Interventional · 36 enrolled · MTI University
  NCT07365748updated 2026-01-26

Frequently asked questions

How does Charcoal work?

Mechanism-of-action class: Chelating Activity.

What is Charcoal used for?

According to FDA labeling, Charcoal carries indications including: ​USES: ​Temporarly relieves simple nervous tension.**. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.

What class of drug is Charcoal?

Charcoal is classified as Chelating Activity, Increased Renal Organic Ion Excretion, Inhibition Large Intestine Fluid/Electrolyte Absorption, Inhibition Small Intestine Fluid/Electrolyte Absorption.