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ScienceHealthnotes

Thyroid Extracts

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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.

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

Science Ratings Health Concerns
1Star

Hypothyroidism

3Stars Reliable and relatively consistent scientific data showing a substantial health benefit.
2Stars Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
1Star For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support and/or minimal health benefit.

Who is likely to be deficient?

As thyroid extract is not an essential nutrient, therefore, no deficiency state exists.

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.

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.




*The information in this newsletter is for educational use only. Do not attempt to self-diagnose or treat any condition. Please consult your healthcare practitioner if you believe you may have any of the signs or symptoms discussed above before using any of the nutrients discussed.

You should also consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem.
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