- What Is T4 Thyroxine?
Thyroxine, commonly known as T4, is a thyroid hormone involved in regulating metabolism, growth, energy utilization, and other physiological processes. In circulation, T4 exists in both protein-bound and free forms. Free T4 represents the fraction that is available to tissues.
T4 Research Applications
Research involving T4 has focused on thyroid function, metabolic regulation, energy utilization, mitochondrial activity, body temperature, and other thyroid-related pathways. T4 is also commonly investigated through laboratory testing that measures either total T4 or free T4 levels.
How Does T4 Thyroxine Work?
T4 production is regulated through signals involving the thyroid-stimulating hormone released by the pituitary gland. Thyroid cells use iodine and the amino acid tyrosine to produce T4 and T3. Once released into circulation, these hormones interact with receptors and participate in regulating metabolic processes throughout the body.
Research Considerations
Research into thyroid hormones also considers the effects associated with elevated T4 or T3 levels. Reported effects may include increased appetite, palpitations, tremors, irritability, and increased bowel activity. These considerations are important when studying thyroid hormone activity in controlled research settings.
US Made Research Labs provides T4 Thyroxine for laboratory research purposes only.
