Overview

Thyroid extract comes from tissue in the animal thyroid gland. Thyroid extract supplements contain dried and/or ground raw tissue or extract from tissue.

There are two major hormones produced by the thyroid gland: triiodothyronine (T3) and thyroxine (T4). Thyroid extract contains both hormones. Both T3 and T4 are involved in the control of growth and development, particularly in the development of the bones and brains of a developing fetus.

People use thyroid extract for low thyroid hormone production (hypothyroidism), infertility, thyroid cancer, and other conditions, but there is no good scientific evidence to support these uses. It might also be unsafe.

Uses & Effectiveness ?

We currently have no information for THYROID EXTRACT overview.

Side Effects

When taken by mouth: Thyroid extract is possibly unsafe. The strength of the hormones in thyroid extract is not consistent. This makes it difficult to get the right dose each day. Using thyroid extract might cause thyroid hormone levels to rise too much and cause serious side effects.

Special Precautions and Warnings

When taken by mouth: Thyroid extract is possibly unsafe. The strength of the hormones in thyroid extract is not consistent. This makes it difficult to get the right dose each day. Using thyroid extract might cause thyroid hormone levels to rise too much and cause serious side effects.


Pregnancy and breast-feeding: There isn't enough reliable information to know if thyroid extract is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Heart conditions: Thyroid extract contains thyroid hormones. High levels of thyroid hormones can stress the heart. This might cause further heart damage in people with heart disease.

Elderly: Thyroid extract contains thyroid hormones. High levels of thyroid hormones can stress the heart. This could result in serious damage in older people who might already have a weakened heart..

High thyroid hormone levels: Thyroid extract contains thyroid hormones. In people who already have high thyroid levels, this could cause even higher levels and more side effects.

Interactions ?

    Moderate Interaction

    Be cautious with this combination

  • Levothyroxine (Synthroid, Levothroid, Levoxyl, and others) interacts with THYROID EXTRACT

    Thyroid extract contains thyroid hormones. Levothyroxine is used to increase thyroid hormone levels in people whose levels are too low. Taking thyroid extract with levothyroxine might increase the effects and side effects of levothyroxine.

Dosing

There isn't enough reliable information to know what an appropriate dose of thyroid extract might be. Thyroid extract might also be unsafe. The strength of the hormones found in thyroid extract is not consistent. Speak with a healthcare provider before use.

View References

CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

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