Thymus Extracts

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Related Topics

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• Drug interactions

Thymus extracts are extracts derived from the thymus glands usually of young calves (bovine). The thymus is one of our major immune system glands. It is composed of two soft pinkish-gray lobes lying in bib-like fashion just below the thyroid gland and above the heart. To a large extent, the health of the thymus determines the health of the immune system. The thymus is responsible for many immune system functions, including the production of T lymphocytes, a type of white blood cell responsible for "cell-mediated immunity." Cell-mediated immunity refers to immune mechanisms not controlled or mediated by antibodies. Cell-mediated immunity is extremely important in the resistance to infection by certain bacteria, yeast (including Candida albicans), fungi, parasites, and viruses (including herpes simplex, Epstein-Barr, and the viruses that cause hepatitis). Cell-mediated immunity is also critical in protecting against the development of cancer, allergies, and autoimmune disorders such as rheumatoid arthritis. The thymus gland also releases several hormones, such as thymosin, thymopoeitin, and serum thymic factor, that regulate many immune functions.

Where are they found?

Thymus extracts (from bovine sources) are found in capsules and tablets as a dietary supplement. Thymomodulin is not available in the United States, and it is unknown whether any of the thymus extracts that are available have the same effects as Thymomodulin.

Health Concerns

Thymus extracthave been used in connection with the following conditions (refer to the individual health concern for complete information):

Rating	Health Concerns
	Bronchitis
	Allergies Hay fever Hepatitis Immune function Recurrent upper respiratory tract infections
	Asthma HIV infection
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?

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

Dosage

How much is usually taken?

A number of different thymus preparations are commercially available. However, whether any of them have the same effects as Thymomodulin, which is not available in the United States, is still unknown. The recommended amount of thymus extract varies according to the type of preparation.

Side Effects

Are there any side effects or interactions?

No side effects or adverse reactions have been reported with the use of thymus preparations.

Are there any drug interactions?

Certain medicines may interact with thymus extracts. Refer to drug interactions for a list of those medicines.

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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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