TRT dosage claims on TikTok: what the science actually says

What did @kmartfit actually say?

The creator states he takes "180 milligrams per week" of testosterone and that this dose has kept his levels "at 950 for over three years." He credits a clinic that, in his framing, optimizes hormones rather than giving him "the bare minimum." The video ends with a comment-funnel directing viewers to ask him about the clinic he uses.

There are two distinct things happening here: a personal anecdote about a TRT protocol, and an embedded referral pitch. Those are not the same thing, and conflating them is worth flagging before we get into the numbers.

Does the science back this up?

Partially, yes. 180mg per week is on the higher end of standard clinical practice, but it is not outside the documented range. The individual response claim, that a fixed weekly dose can hold levels stable for years, is biologically plausible but oversimplified.

The Endocrine Society's 2018 clinical practice guidelines recommend testosterone cypionate doses of 75-100mg weekly (or 150-200mg every two weeks) for hypogonadal men, targeting mid-normal physiologic ranges. A serum total testosterone of 950 ng/dL sits at the upper end of the normal adult male reference range, which most labs place at roughly 300-1000 ng/dL. Getting to 950 on 180mg weekly is pharmacologically plausible, since individual metabolism, injection timing, and SHBG levels all affect peak and trough values significantly. Ramasamy et al. (2014, Journal of Urology) documented wide interindividual variation in testosterone levels even on identical injection protocols. So the specific number is not impossible. It just tells you almost nothing useful about what dose would produce the same result in someone else.

What did they get wrong (or right)?

He got the basic pharmacology roughly right. A weekly injection protocol producing stable levels over years is consistent with how testosterone cypionate behaves in clinical practice. Credit where it is due.

What he got wrong, or at minimum glossed over, is the implication that 180mg weekly is a target dose others should aim for. It is not. Testosterone dosing is individualized based on baseline levels, symptoms, hematocrit, SHBG, and clinical response. Bhasin et al. (2010, New England Journal of Medicine) demonstrated dose-dependent increases in testosterone levels but also dose-dependent increases in adverse effects, including erythrocytosis and suppression of sperm production. Presenting one person's dose and one person's lab result as a meaningful benchmark for a 36,000-viewer audience is misleading by omission. The referral-to-clinic mechanic at the end also deserves scrutiny. That is a lead-generation funnel, not medical education.

What should you actually know?

Your testosterone level on any given dose depends on factors specific to you, and no creator's personal protocol is a template. Full stop.

Total testosterone of 950 ng/dL is high-normal but not inherently problematic, depending on context. What matters clinically is symptom resolution, free testosterone, hematocrit trends, and monitoring for adverse effects. The American Urological Association's 2018 guidelines stress that TRT should be managed with regular lab monitoring, including CBC and PSA, not just a single testosterone number. A clinic that only tracks total testosterone and calls it "optimization" is doing incomplete work. Morgentaler et al. (2016, Mayo Clinic Proceedings) noted that many TRT prescribers fail to adequately monitor hematocrit, which is one of the more serious short-term risks of supraphysiologic dosing. If a clinic is pitching "optimization" without discussing what they are monitoring and why, ask harder questions before signing up based on a TikTok comment reply.

Is the clinic referral a red flag?

It warrants skepticism. A comment-triggered DM funnel to a specific clinic is a referral mechanism, and creators are sometimes compensated for those referrals. That does not make the clinic bad, but it means the recommendation carries a financial incentive that is not disclosed in this video.

Federal Trade Commission guidelines require disclosure of material connections between endorsers and brands. If the creator receives compensation or free services for referring patients, that should be stated clearly. Viewers asking for clinic recommendations via TikTok comments should independently verify that any telehealth provider is licensed in their state, employs board-certified physicians, and conducts baseline and follow-up lab work before and during treatment.