The Role of Thyroid Hormones
Thyroid hormones play critical roles throughout the body, including:
- Increasing or decreasing the heart rate
- Raising or lowering body temperature
- Regulating the caloric burn rate to influence weight gain or loss
- Regulating muscle contraction
- Controlling how quickly dying cells are replaced
- Increasing or decreasing the body temperature
This means that maintaining levels in the normal range is critical for a healthy metabolism. Unfortunately, an underactive thyroid gland frequently results in low hormone levels (known medically as hypothyroidism), particularly in women in their 30s and 40s.
What are Normal Hormone Levels?
Low hormone levels or underactive Thyroid is diagnosed using blood tests either in response to symptoms of clinical or hypothyroidism or as part of routine preventative healthcare checks. Three hormones are usually included in thyroid function tests: Thyroid, triiodothyronine (T3), its prohormone thyroxine (T4), and Thyroid stimulating hormone (TSH, which regulates the production of T3 and T4 from the thyroid gland). T4 is the primary circulating hormone; deiodinase enzymes convert it into T3 in target tissues.
Tests measure the levels of free and total proteins because free hormones are bioavailable [1]. Regular thyroid function tests are essential in individuals receiving testosterone-based hormone-replacement therapy Since some long-term users have reduced thyroid function and hypothyroidism [2]. The average and reference ranges used by Quest Diagnostics for T3, T4, and TSH are shown below.
The normal and reference ranges used by Quest Diagnostics for T3, T4, and TSH are shown below.
| Test | Normal Serum Concentrations |
| Total T4 | 5.6 to 13.7 ng/dL |
| >Free T4 | 0.8 to 2.7 ng/dL |
| TSH | 0.4 to 4.2 mU/L |
| Total T3 | 76 to 181 ng/dL |
| Free T3 | 2.3 to 4.2 pg/mL |
Symptoms of Low Thyroid Hormones
The common symptoms of hypothyroidism, many of which are the result of a slow metabolism, are as follows:
- Cold feet and hands
- Hair loss or thinning
- Depression
- Weight gain and difficulty losing weight
- Chronic fatigue
- Muscle cramps
- Persistent lower back pain
- Joint stiffness
- Easy bruising
- Mood swings
- Depression
- Forgetfulness
- Goiter (swelling of the throat region)
- Heavy menstrual periods
References [1] K.A. Iwen, E. Schröder, G. Brabant, Thyroids Hormones, and the Metabolic Syndrome, European Thyroids Journal, 2 (2013) 83-92. [2] M. Alen, P. Rahkila, M. Reinila, R. Vihko, Androgenic-anabolic steroid effects on serum thyroids, pituitary and steroid hormones in athletes, The American Journal of sports medicine, 15 (1987) 357-361.
**NOTE** The content in this blog is subject to interpretation and is the opinion of the content writer. We do not claim it to be fact. We encourage you to consult a medical doctor before taking any prescribed medications or supplements.
Conclusion
Supporting Hormones health is essential for overall well-being and vitality. By incorporating regular exercise, proper nutrition, adequate sleep, stress management techniques, and IV therapy, you can help maintain optimal testosterone levels and lead a healthy, balanced life. Always consult a healthcare professional before making significant changes to your lifestyle or starting any new treatments to ensure they suit your needs.
At AAI Rejuvenation Clinic, we advise anyone to think seriously about beginning Hormone treatment if there is no medical need for it. However, we will take every precaution to ensure that you read your program’s positive benefits by providing the latest at-home hormonal mouth-swab testing to ensure we are continually monitoring your progress and aware of any adverse side effects. Fill out the Medical History Form, or if you need more information, call us at (866) 224-5698 or (866) AAI-Low-T.
Low Hormone Symptoms
- Motivation
- Sex Drive & Desire
- Depression
- Fatigue
- Erectile Dysfunction
- Cholesterol
- Low Energy
- Memory Loss
- Osteoporosis
- Wounds & Illness
- Muscle Mass
- Sleep Disturbances
- Thyroids Dysfunction
- Weight Gain
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