Liver Extracts

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Extracts of beef (bovine) liver are a rich natural source of many vitamins and minerals, including iron.

Where are they found?

Liver extracts are available as nutritional supplements in capsules and tablets.

Health Concerns

Liver extracts have been used in connection with the following conditions (refer to it for complete information):

Rating	Health Concerns
	Iron-deficiency anemia
Reliable and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit. An herb is primarily supported by traditional use, or the herb or supplement has little scientific support and/or minimal health benefit.

Deficiency Symptoms

Who is likely to be deficient?

As it is not an essential nutrient, no deficiency state exists.

Dosage

How much is usually taken?

The recommended amount depends on the concentration, method of preparation, and quality of the liver extract.

Side Effects

Are there any side effects or interactions?

No side effects or adverse reactions have been reported. Liver extracts should not be used by people suffering from iron-storage disorders, such as hemochromatosis.

As the liver is a major filtering organ for many potentially toxic environmental chemicals, some doctors are concerned that consumption of liver extracts may result in increased intake of these chemicals.

At the time of writing, there were no well-known drug interactions with liver extracts.

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Last Review: 09-01-2007

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The information presented in Healthnotes 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 December 2008.

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