Thyroid Extracts

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Thyroid extracts are thyroid extracts derived from the thyroid glands of usually bovine (beef) sources.

Where are they found?

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

Health Concerns

Thyroid extracts have been used in connection with the following conditions (refer to the individual health concern for complete information):

Rating	Health Concerns
	Hypothyroidism
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 thyroid extract is not an essential nutrient, therefore, no deficiency state exists.

Dosage

How much is usually taken?

The recommended intake depends on the concentration, method of preparation, and quality of the thyroid extract. Follow the manufacturer's recommendation on the label.

Side Effects

Are there any side effects or interactions?

No side effects or adverse reactions have been reported. However, people taking prescription thyroid hormones should consult their doctor before using non-prescription thyroid extracts.

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

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Last Review: 01-21-2009

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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 February 2010.

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