TRT for men on TikTok: separating real benefits from hype

What did @fullonkaren actually say?

Karen's video is a direct reply defending telehealth TRT providers. Her core argument: insurance-driven lab reference ranges are outdated, general practitioners are too conservative, and online providers like LaSara are willing to target testosterone levels of "at least a thousand and up until like 15 or even 1600" ng/dL. She also mentions her son tested at 235 ng/dL and couldn't find local help, and that her husband now tells men "you are not living until you've reached a thousand."

This isn't a neutral health tip. It's an enthusiastic endorsement of aggressive testosterone optimization targets, framed through personal anecdote and frustration with conventional medicine. That framing matters when we start checking the numbers.

Does the science back this up?

Partially, but the confident ceiling of 1,600 ng/dL is where things get medically dicey. The science on low-normal testosterone causing symptoms is solid. The idea that 1,000-1,600 ng/dL is a universally safe or optimal target for all men is not.

The Endocrine Society's 2018 clinical practice guidelines define hypogonadism as total testosterone below 300 ng/dL, with treatment goals typically targeting the mid-normal range, roughly 400-700 ng/dL depending on assay. Bhasin et al. (2018, Journal of Clinical Endocrinology and Metabolism) explicitly note that supraphysiologic levels above 1,000 ng/dL are associated with increased erythrocytosis risk, sleep apnea exacerbation, and potential cardiovascular strain. A son testing at 235 ng/dL absolutely warrants clinical attention. But "at least a thousand" as a floor target for every man isn't evidence-based medicine. It's optimization culture dressed up as healthcare.

What did they get wrong (or right)?

Karen gets real credit for one thing: insurance-defined reference ranges genuinely do cause under-treatment. Many commercial labs use population-based ranges that include elderly and unhealthy men, which drags the lower threshold down artificially. Morgentaler et al. (2016, Mayo Clinic Proceedings) documented this problem directly, noting that a 300 ng/dL cutoff excludes symptomatic men who respond well to treatment.

But "targeting 1,000 to 1,600 ng/dL" as a stated goal from a nurse practitioner on a first visit is a red flag, not a green one. That's not individualized care. The Testosterone Trials (Snyder et al., 2016, NEJM) used targets in the 500-800 ng/dL range and found meaningful benefits for sexual function and mood. There's no robust clinical evidence that 1,400 ng/dL produces better outcomes than 700 ng/dL. What it does produce is a higher hematocrit, more frequent dose adjustments, and more monitoring burden. Presenting supraphysiologic targets as the obvious correct answer, without caveats, is misleading.

What should you actually know?

A few things worth keeping straight if you're considering TRT through any provider, telehealth or otherwise.

• Normal testosterone ranges vary significantly by lab, age, and time of day. A single 235 ng/dL reading, while low, should be confirmed with a repeat morning test before starting treatment, per Endocrine Society guidelines.
• "Optimization" targeting levels above 1,000 ng/dL is not standard of care. It is a clinical philosophy some providers adopt, and it carries real monitoring requirements including hematocrit checks, PSA screening, and cardiovascular risk assessment.
• Telehealth TRT is legitimate and often fills real gaps in access. The problem isn't the platform. The problem is when any provider, virtual or in-person, leads with aggressive numerical targets before completing a full clinical picture.
• Polycythemia (elevated red blood cell count from TRT) is one of the most common serious adverse effects, and risk increases with higher testosterone levels. Coviello et al. (2008, Journal of Clinical Endocrinology and Metabolism) found dose-dependent hematocrit increases in TRT subjects.

The bottom line on this video

Karen's frustration with gatekeeping and outdated insurance thresholds is legitimate and shared by many endocrinologists. But her husband's advice, "you are not living until you've reached a thousand," isn't clinical guidance. It's a vibe. And a nurse practitioner telling a new patient they want to see men "at 1,000 and up to 1,600" as a first-visit goal statement, without context or individualization, is worth scrutinizing hard before you treat it as a referral. Find a provider who explains your specific labs, your symptoms, and your risk profile. The number on the report isn't the whole story.