Thyroxine, produced by the thyroid gland, regulates metabolism and a lack of it can lead to weight gain and other symptoms. Hypothyroidism can be treated with synthetic thyroxine tablets, which can also aid weight loss during exercise. Balancing thyroxine levels is key to a healthy metabolism, as excessive production can lead to hyperthyroidism and weight loss with increased appetite. Doctors calculate dosages based on blood tests and adjust accordingly.
There are several well-documented links between the body’s production of thyroxine and weight loss. The thyroid gland, located in the neck just below the windpipe, produces the hormone thyroxine, which normalizes metabolism in the body. It is in this regulation of metabolism that a reduction in thyroxine in the body can result in unwanted weight gain.
If the thyroid gland does not produce enough thyroxine to regulate bodily functions, various symptoms can occur. In addition to weight gain due to decreased metabolism, these symptoms or indicators can include tiredness, feeling cold constantly, dry skin, and depression. A lack of thyroxine in the body can lead to a condition known as hypothyroidism, sometimes referred to as an underactive thyroid.
Hypothyroidism can be treated through the ingestion of levothyroxine, sometimes called L-thyroxine, tablets. Levothyroxine is a synthetic chemical in the body that can replicate the hormone produced by the thyroid gland. Balancing the level of thyroxine in the body will regulate the metabolism, resulting in improved muscle conditioning, stimulation of natural thyroxine production and weight loss.
During exercise, thyroxine levels are naturally increased to allow the body to burn more calories and build muscle tissue. This is another area where there is a connection between thyroxine and weight loss. Athletes involved in intensive training programs often take a synthetic thyroxine hormone to artificially raise levels within the body; this allows them to burn calories and build effective muscle tissue more efficiently.
It should not be considered that there is a consistent link between the body’s thyroxine level and weight loss. That is to say, continually increasing thyroxine levels in the body will not lead to continued acceleration of weight loss. The key to a healthy metabolism is balancing the body’s thyroid stimulating hormone (TSH) and thyroxine levels; it is for this reason that synthetic thyroxine dosages are calculated by doctors after analysis of blood test results. When taking levothyroxine, it is important to follow a regular schedule of blood tests so that dosages can be adjusted accordingly.
Excessive production of thyroxine in the body or an overdose of the synthetic hormone can result in a condition known as hyperthyroidism or an underactive thyroid. This condition causes processes in the body to speed up, including rapid heart rate, muscle weakness, shortness of breath, and nervousness. The body’s thyroxine level and weight loss are again linked here as hyperthyroidism can lead to weight loss accompanied by an increase in appetite. A course of antithyroid medication should be taken to return an overactive thyroid to a euthyroid or normal state.
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