In a recent episode of The Mike O’Hearn Show, fitness icon Mike O’Hearn and John Tsikouris, founder of Titan Medical (a hormone-replacement clinic), dove deep into one particularly important topic: how to spot signs of low testosterone and the role of TRT therapy. Their conversation reflects a broader trend: more men are paying attention to hormonal health, pushing questions about when and how testosterone therapy should be used.
Top 5 Signs That Could Point to Low Testosterone
John Tsikouris enumerated five red flags that may suggest hormonal imbalance:
Chronic low energy or disrupted sleep — feeling drained even after “adequate” rest.
Mental fog or forgetfulness — struggling with concentration or memory in daily tasks.
Unexplained weight gain — especially when diet and exercise habits are consistent.
Erectile dysfunction or declining sexual performance — new or worsening issues.
Persistent low mood or depression — even without clear external triggers.
These symptoms, while not exclusive to testosterone deficiency, are often the first prompts for someone to consider blood testing and possibly trt therapy.
Why Typical GP Bloodwork May Be Insufficient
Tsikouris pointed out that when a patient goes to a general practitioner for blood tests, they often receive a Comprehensive Metabolic Panel (CMP), which covers liver, kidney, glucose, and electrolyte markers, plus standard lipid profiles and complete blood counts. While useful for assessing general organ health, these panels rarely explore hormonal detail.
Many standard GP-ordered panels do not automatically include:
- Free testosterone (the biologically active fraction)
- IGF-1 (related to growth hormone activity)
- Other hormonal regulators (LH, FSH, SHBG, estradiol, etc.)
Insurance protocols complicate matters: many labs and test codes need explicit “medical necessity” documentation to be covered, discouraging doctors from ordering more extensive panels. In contrast, private hormone clinics often operate outside the insurance-reporting cycle, giving patients more control and privacy.
Some physicians are also unfamiliar or uncomfortable ordering advanced hormone testing if it’s not part of their usual workflow. Athletes and bodybuilders pushing physiological limits often must advocate for themselves to access more specialized labs.
How Testosterone Replacement Therapy (TRT) Works
Testosterone levels naturally decline with age — roughly 1% annually after one’s 30s or 40s — though not everyone will experience symptoms. TRT aims to restore testosterone levels to a healthy range through modalities like injections, gels, patches, or implants.
When done under medical supervision, TRT can yield:
- Increased energy and vitality
- Better mood and cognitive clarity
- Improved muscle mass and strength
- Enhanced libido and sexual performance
- Better bone density
However, TRT is not risk-free. Possible side effects or considerations include:
- Worsened sleep apnea
- Acne or skin irritation (for topical forms)
- Enlarged prostate or urinary symptoms
- Suppression of natural sperm production and testicular shrinkage
- Elevated red blood cell count (which may raise clot risk)
Because of these risks, therapy decisions involve close monitoring, especially in men with cardiovascular risk factors or prostate issues.
What the Latest Research and Policy Shifts Suggest
The conversation between O’Hearn and Tsikouris is timely, as new developments in the field are reshaping how clinicians and patients approach trt therapy:
The FDA recently updated labels for all testosterone products, removing blanket language suggesting elevated cardiovascular risk and adding a warning about increased blood pressure. This policy change follows evidence from the TRAVERSE trial and ambulatory blood pressure monitoring studies.
Trends show that prescriptions for testosterone therapy have risen dramatically between 2018 and 2022, especially in younger men (≤ 24 years showing 120% growth).
Emerging studies suggest that some weight-loss drugs (like GLP-1 agonists, e.g., semaglutide) may boost endogenous testosterone levels, especially in overweight or obese men—offering a less invasive option than TRT.
Safety data is evolving: while older concerns linked testosterone therapy with heart disease and stroke, more recent large trials (like TRAVERSE) show no definitive increase in cardiovascular events when treatment is applied to appropriately selected men.
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