Testosterone Test

$100.00

At-home collection kit. Meaningful insights. Personalized plan.
Testosterone and sex hormone-binding globulin impact many areas of health in men and women. This at-home blood test measures levels of both. Results include a personalized health plan.

Category:

    Testosterone

    Testosterone is the predominant “male” hormone or androgen made in the human body, although both men and women need and utilize testosterone.

    In men, testosterone is made in the testes. It plays a major role in regulating sperm production and is active throughout the body, impacting many areas of health including bone and muscle health/mass, libido, fat distribution, heart health, blood sugar metabolism, and hair growth/distribution. Testosterone declines with age in both men and women, but its level can also go up or down for other reasons.

    After age 40, men lose about 1.5 percent of their testosterone production each year, and by age 45 about 40 percent of men will have a diagnosable low testosterone level (too low for their age and producing symptoms). Other causes of low testosterone levels in men include diseases of the liver or kidney, injury or infection of the testicles, diabetes, insulin resistance, obesity, genetic disorders (such as Klinefelter syndrome or hereditary hemochromatosis), pituitary tumors, and some prescription medications.

    Women also need testosterone in small quantities to maintain good reproductive health. In women, testosterone is made in the ovaries and the adrenal glands, so a low level of testosterone can indicate a problem with the function of either organ, or it can be indicative of a normal decline from aging. Testosterone has many protective functions in females, including mitigating bone and muscle mass loss, supporting weight management, helping to maintain mental health, and supporting a healthy libido.

    On the other hand, a woman’s testosterone level can be too high, particularly in women of childbearing age. An elevated testosterone level, often coupled with a low sex-hormone binding globulin level, is often associated with polycystic ovary syndrome (PCOS) and infertility.

    Sex Hormone-Binding Globulin (SHBG)

    Having a normal SHBG level is an important part of having a normal testosterone level in both men and women. SHBG is a protein that attaches to circulating testosterone and carries it around the body. Every individual always has some portion of their testosterone that is bound to SHBG, as well as a portion of their testosterone that is unbound or “free.” SHBG can also bind to estrogen, although it does not bind as tightly as it does to testosterone.

    An elevated SHBG level will result in more of it attaching to testosterone, thus lowering the amount of free testosterone, whereas a low SHBG level can present as having relatively higher “free” testosterone.

    Because SHBG is produced in the liver, its level can be decreased as a result of heavy alcohol consumption, obesity, insulin resistance, diabetes, aging, and the use of some prescription medications (especially hormones such as testosterone or estrogen).

    You should take this test if you:

    Notice unfavorable changes in body composition
    Have loss of libido
    Are a male experiencing erectile dysfunction
    Are a female taking hormone replacement or using hormones for birth control
    Are experiencing chronic fatigue or mood swings
    Are a man or woman over 40
    Are a woman of childbearing age with fertility issues
    Are experiencing abnormal hair growth or loss

    Biomarkers Measured

    Testosterone • Blood Spot
    Normal range varies based on age and gender
    Testosterone is the predominant androgen or “male hormone” – although it is important to the health of both men and women. Testosterone impacts a wide range of health concerns, including muscle and bone mass, libido, hair growth, energy, mood, and sleep.

    SHBG • Blood Spot
    Normal range varies by gender
    Sex hormone-binding globulin (SHBG) is a protein produced in the liver that binds to testosterone (and estrogen to a lesser extent). The extent of this binding by SHBG will change the amount of “free” or bioavailable testosterone, and thus can result in a deficiency or an excess of free testosterone. A low SHBG level is also associated with other health risks, independent of its impact on testosterone.

    How it works

    1 • Delivered
    After purchasing, all home-test materials are delivered to your door
    2 • Locate Barcode
    Locate the barcode included with your kit and enter at thorne.com
    3 • Complete Collection
    Complete your test collection and return with prepaid shipping
    4 • Reviewed
    Your results are reviewed by an independent board-certified physician
    5 • Receive Results
    You’ll receive your results & personalized recommendations within 7-9 days

    Potential Symptoms

    In men, if your testosterone level and/or SHBG level are abnormal for your age, then you can experience one or more of the following symptoms:

    Heightened or reduced libido
    Erectile dysfunction
    Infertility or low sperm count
    Muscle loss and/or weakness
    Fatigue
    Depressed mood or increased aggression
    Weight gain
    Changes in body and facial hair, or male pattern baldness
    Acne
    Development of breast tissue
    Metabolic syndrome

    In women, if your testosterone level and/or your SHBG level are abnormal for your age and menstrual status, then you can experience one or more of the following symptoms:

    Decreased libido
    Muscle weakness or fatigue
    Depressed mood
    Weight gain
    Acne
    Facial hair growth or thinning head hair
    Difficulty getting pregnant
    High cholesterol
    Metabolic syndrome
    PCOS
    Abnormal menstrual cycles Test

    What the tests tell you

    Biomarker values
    Simple visualization of your biomarker results over time, plus detailed descriptions of each biomarker for an easy interpretation of your overall health.

    Health analysis
    Insights based on your results help you identify potential health risks or areas of improvement.

    Personalized plan
    Access your diet, activity, and supplement plan anytime, anywhere through the Thorne dashboard. Recommendations are generated from our medically-supervised algorithms based on your unique test results.

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