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Testosterone (Free with Total)

Item# LC140103

Retail Price: $132.00

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  • Testosterone (Free with Total)
  • Item Catalog Number: LC140103

This panel contains the following tests:

  • Free Testosterone
  • Total Testosterone

Testosterone is a steroid hormone from the androgen group primarily secreted in the testes of males and the ovaries of females with small amounts also secreted by the adrenal glands.

It is the principal anabolic steroid responsible for directing metabolism and the repair and regeneration of healthy tissues. In men, testosterone also plays a key role in the development of male reproductive tissues as well as promoting secondary sexual characteristics such as increased muscle and bone mass and hair growth.

In addition, testosterone is essential for overall health and wellness. Recent research has revealed the association between low testosterone and many age-related diseases. Conditions such as heart disease, osteoporosis, diabetes and low libido are now thought to be attributed to what doctors call Low T Syndrome.

On average, an adult male produces about ten times more testosterone than an adult female. However, women are far more sensitive to testosterone than men. Women with low testosterone may be more at risk for bone disease, heart disease, stroke, loss of libido, and chronic infections.

Fasting is not required for this test. Take all medications as prescribed.

Special Note:
If you are supplementing with any hormones, it is important to take them approximately 2 hours prior to having your blood drawn.


The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.

Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.