This biomarker is part of the Biolytics App. For a complete list of all available biomarkers, visit: Biomarkers.

Reverse T3

Aliases: reverse triiodothyronine

Group: Hormone

Description:

Reverse T3, or reverse triiodothyronine, is a hormone that is produced from the conversion of the active thyroid hormone T4. It is part of the body's regulation of metabolism and energy production. Elevated levels of reverse T3 can occur in response to various conditions, such as illness, stress, or calorie restriction. In some cases, it may indicate a disruption in the normal balance of thyroid hormones.