What does this TikTok actually claim?
The video claims most men on testosterone replacement therapy are "doing it wrong" and should focus on SHBG (sex hormone-binding globulin) and free testosterone rather than total testosterone levels. The creator suggests men should find new providers if they can't explain why symptoms persist despite treatment.
This hits on a real issue in TRT monitoring. Many providers do rely too heavily on total testosterone without considering the fuller hormonal picture.
Is the focus on free testosterone actually supported by science?
Yes, and this is where the creator gets it right. Free testosterone represents the biologically active hormone that can enter cells and bind to androgen receptors.
The Endocrine Society's 2018 clinical practice guidelines (Bhasin et al., Journal of Clinical Endocrinology & Metabolism) specifically recommend measuring free or bioavailable testosterone, not just total levels. About 98% of circulating testosterone is bound to proteins, primarily SHBG and albumin.
SHBG levels vary significantly between individuals based on age, genetics, and metabolic factors. A man with high SHBG might have normal total testosterone but low free testosterone, explaining persistent symptoms.
What did the video oversimplify?
The "most guys are doing it wrong" framing overstates the problem. While some providers don't monitor comprehensively, TRT management involves more than just lab optimization.
The video doesn't mention that free testosterone assays have significant variability. Direct immunoassays for free testosterone can be unreliable, and calculated free testosterone using validated formulas is often preferred.
Symptom persistence on TRT has multiple causes beyond SHBG issues. These include inadequate dosing, poor injection technique, estradiol imbalances, or underlying conditions that TRT doesn't address.
Should you switch providers based on this advice?
Not necessarily, but the underlying point about comprehensive monitoring has merit. A competent TRT provider should track free testosterone, estradiol, hematocrit, and other relevant markers.
The 2022 American Urological Association guidelines emphasize that testosterone therapy requires ongoing monitoring of both efficacy and safety parameters. This goes well beyond just checking total testosterone levels.
However, symptom improvement can take 3-6 months, and some men need dose adjustments or protocol changes. Switching providers immediately isn't always the answer if your current one is willing to optimize your treatment systematically.