Reverse T3 (rT3)

Reverse T3 (rT3) is a biomarker that has gained attention in longevity research due to its ability to provide valuable insight into thyroid function and overall metabolic health. As a non-active form of the thyroid hormone T3, high levels of rT3 have been associated with metabolic dysfunction and chronic stress, both of which are known to contribute to aging. Therefore, tracking rT3 levels can indicate potential issues in thyroid function and metabolic health, which are crucial factors in the aging process. In order to interpret the significance of rT3 levels, it is essential to understand the relationship between rT3 and aging. High levels of rT3 can indicate an imbalance in thyroid function, which can lead to metabolic dysfunction and chronic stress, ultimately contributing to the aging process. Therefore, individuals with elevated rT3 levels may benefit from interventions aimed at optimizing their thyroid function and reducing chronic stress in order to support their overall health and potentially slow down the aging process. Overall, rT3 is a promising biomarker for longevity research and personalized health interventions, as monitoring and optimizing rT3 levels can provide important insights into thyroid function and metabolic health, ultimately contributing to efforts to support longevity and healthy aging.