Charcoal

 
Charcoal

Charcoal is a fine, black powder made from wood or other natural materials by heating them in an airless environment. Charcoal used for health conditions is usually “activated” to make it a very fine powder, which increases its effectiveness. Activated charcoal can chemically attach, or adsorb, to a variety of particles and gases, which makes it ideal for removing potentially toxic substances from the digestive tract. Activated charcoal is not absorbed into the body, so it carries adsorbed substances out of the body in the feces.

What Are "Star" Ratings?

a7_3star Reliable and relatively consistent scientific data showing a substantial health benefit.

a7_2star Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.

a7_1star For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary “Star-Rating” system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:


Used for AmountWhy
High Cholesterol
4 to 32 grams per day 2 stars Activated charcoal  has the ability to attach (adsorb) cholesterol and bile acids present in the intestine, preventing their absorption.

2 stars High Cholesterol

4 to 32 grams per day

Activated charcoal has the ability to adsorb (attach to) cholesterol and bile acids present in the intestine, preventing their absorption.1 , 2 Reducing the absorption of bile acids results in increased cholesterol breakdown by the liver. In controlled studies of people with high cholesterol, activated charcoal reduced total- and LDL-cholesterol levels, when given in amounts from 4 to 32 grams per day. Larger amounts were more effective: reductions in total and LDL cholesterol were 23% and 29%, respectively, with 16 grams daily, and 29% and 41% with 32 grams daily.3 Similar results were reported in other controlled4 and preliminary5 studies using 16 to 24 grams per day, but one small double-blind trial found no effect of either 15 or 30 grams per day in patients with high cholesterol.6

Used for AmountWhy
Indigestion, Heartburn, and Low Stomach Acidity
Refer to label instructions 2 stars Supplementing with charcoal may help relieve gas.

2 stars Indigestion, Heartburn, and Low Stomach Acidity

Activated charcoal has the ability to adsorb (attach to) many substances, including gases produced in the intestine.7 , 8 In a small, controlled trial, people were given a meal of gas-producing foods along with capsules containing 584 mg of activated charcoal, followed by another 584 mg of activated charcoal two hours later. Using activated charcoal prevented the five-fold increase in flatulence that occurred in the placebo group. Another, small controlled study found that taking 388 mg of activated charcoal two hours after a gas-producing meal normalized flatulence by the fourth hour.9 However, a preliminary human study found no effect on flatulence or abdominal symptoms when healthy volunteers took 520 mg of activated charcoal four times per day for one week.10

Also indexed as:
  • activated charcoal

About this treatment

How to Use It

In cases of poisoning, 50 to 100 grams is given to adults, while children receive lower doses of 10 to 25 grams. However, since some poisons are not effectively adsorbed by activated charcoal, consult with local poison control centers or emergency services to determine whether charcoal should be used. Amounts used for other conditions range from 500 to 1,000 mg per day for preventing intestinal gas to 4 to 32 grams per day for lowering blood cholesterol.

Where to Find It

Charcoal used for health conditions is pure carbon made from wood, bamboo, coconut shells, or other organic material.

Possible Deficiencies

There is no human requirement for charcoal.


Last Review: 05-11-2011

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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2011.

© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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