Testosterone gets attention whenever a news story raises the subject of hormone screening. The more useful question for most men is narrower: do your symptoms, not a headline, suggest testing is worth doing.
Truthe does not provide testosterone therapy today and plans to offer it in the future.
What testosterone does
Testosterone influences muscle and bone density, sexual function and desire, mood and energy, and aspects of metabolism and body composition. Low levels can contribute to symptoms in each of these areas, but each of these symptoms also has other common causes, which is part of why testing is not something to pursue reflexively.
When testing makes sense
Testing is reasonable to discuss with a provider if you are experiencing persistent fatigue despite adequate sleep, a noticeable loss of muscle despite consistent training, reduced sexual interest or function, mood changes such as low motivation, or difficulty losing body fat, particularly if these symptoms are new or have worsened over time. If none of these apply to you, routine testosterone screening in the absence of symptoms is not something professional guidelines recommend.
How a diagnosis is actually made
Professional guidelines from the American Urological Association and the Endocrine Society require two things before a diagnosis of testosterone deficiency is made: symptoms or signs consistent with low testosterone, and a low total testosterone level confirmed on at least two separate blood draws taken in the morning. The Endocrine Society's guideline specifically recommends confirming an initial low morning fasting total testosterone result with a repeat morning fasting measurement before treatment is considered. The American Urological Association uses a total testosterone below 300 ng/dL as a reasonable reference cutoff, though some men with levels above that cutoff can still have real symptoms, and a single low reading on its own is not considered diagnostic. Testosterone naturally varies through the day and can fall temporarily with illness, poor sleep, heavy alcohol use, or certain medications, which is why a single test is not treated as conclusive.
Free testosterone, sex hormone-binding globulin, thyroid function, and cortisol can all affect how a given total testosterone number should be interpreted, which is one reason this is best worked through with a provider rather than a single home test result.
Addressing contributing factors first
Sleep quality, regular resistance training, body composition, and chronic stress all have a documented relationship with testosterone levels, and a provider will typically ask about each of these before considering any further evaluation or treatment. Correcting a clear deficiency in one of these areas, such as chronic sleep deprivation, is a reasonable first step for many men, and it is also simply good practice independent of testosterone. Zinc, magnesium, vitamin D, and omega-3 fatty acids are nutrients with a plausible connection to hormonal and metabolic health, and a reasonable diet or a general multivitamin is a sensible foundation; specific supplementation beyond that is a conversation to have with your provider based on your own diet and lab results, not something to start on the basis of a general article.
Effects on fertility if treatment is ever considered
If testing and symptoms together eventually lead to a conversation about testosterone therapy, it is worth knowing in advance that testosterone therapy suppresses the body's own sperm production and can reduce fertility, sometimes for many months after stopping. Men who are trying to conceive, or who may want to in the near future, should raise this with any provider before starting treatment. Our guide to testosterone therapy covers this and other risks in more detail for anyone who reaches that stage.
Next steps
If your symptoms and history suggest testing is worthwhile, start with your primary care doctor or a urologist, who can order the correct morning blood tests and look for other treatable causes, such as sleep apnea, a pituitary problem, or a medication side effect. Testing is the right first step. It is not, by itself, a reason to start treatment.
Where Truthe fits
Truthe does not provide testosterone therapy today and plans to offer it in the future. In the meantime, Daily Support is one option for covering foundational micronutrients as part of an overall approach to energy and metabolic health, alongside whatever your doctor recommends based on your own labs.
Disclaimer: This content is for educational purposes only and is not medical advice. Consult a licensed healthcare provider before testing or starting any hormone evaluation.
Sources
- American Urological Association. Evaluation and Management of Testosterone Deficiency Guideline. auanet.org/guidelines-and-quality/guidelines/testosterone-deficiency-guideline
- Bhasin S, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018. pubmed.ncbi.nlm.nih.gov/29562364
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