Has Sylvester Stallone confirmed using testosterone replacement therapy?

Yes. Following a 2008 customs incident in Australia involving HGH, Stallone publicly discussed both HGH and testosterone use in multiple interviews. He has framed TRT as a physician-supervised medical intervention for aging, not a performance-enhancing measure.

How does Stallone's TRT disclosure compare to other celebrities?

Stallone's public record is the longest of any celebrity associated with TRT, spanning roughly 2007 to the present. Joe Rogan has the most frequent public discussion. Other figures like Dwayne Johnson are widely speculated but have not confirmed current testosterone use.

Is TRT safe for men over 60?

The TRAVERSE trial (2023) found that TRT did not increase major cardiovascular events in men 45-80 with hypogonadism and cardiovascular risk factors. The Endocrine Society recommends TRT only for men with confirmed low testosterone and symptoms, with regular monitoring of hematocrit, PSA, and cardiovascular markers.

What results can men realistically expect from TRT?

Clinical trials show moderate improvements: 1.6-2.0 kg of lean mass gain, modest fat reduction, improved energy and mood, and increased bone density over 6-12 months. These are meaningful but bounded effects that differ from the dramatic physiques seen in some celebrity contexts.

Sylvester Stallone Compared to Other Public TRT Figures

By HealthRX Medical Team

Published May 25, 2026Updated May 25, 2026Last reviewed May 25, 2026

At a glance

Celebrity: Sylvester Stallone
Drug family: Testosterone replacement therapy (TRT), with publicly admitted past HGH use
Status: Confirmed (self-disclosed)
Public timeline: ~2007 to present (nearly two decades of public record)
Comparison figures: Joe Rogan (confirmed), Dwayne Johnson (speculated), Arnold Schwarzenegger (confirmed historical steroid use, speculated current TRT), Robbie Williams (confirmed)
Clinical relevance: Long-term TRT outcomes in men over 60

Stallone's Public Record: What He Actually Said

Sylvester Stallone's association with testosterone therapy became global news in February 2008, when Australian customs officials found vials of human growth hormone (HGH) in his luggage upon arrival in Sydney. He pleaded guilty to importing a prohibited substance and paid a fine. In interviews that followed, Stallone was unusually direct. Speaking to Time magazine, he stated that HGH "is nothing" and that testosterone replacement was a standard part of his health regimen as an aging man.

Over the following years, Stallone continued to reference hormone therapy in interviews. He framed TRT not as performance enhancement for film roles but as a quality-of-life decision: maintaining energy, body composition, and recovery capacity past age 60. By the time he was filming The Expendables franchise and later Creed (2015), his physicality at 69 drew widespread media commentary. In multiple press appearances, he attributed his condition to a combination of disciplined training, nutrition, and physician-supervised hormone management.

This is a critical distinction. Stallone did not describe his use in bodybuilding terms. He consistently positioned it within a medical framework, supervised by physicians, aimed at countering age-related decline.

The Clinical Reality of TRT After 60

Testosterone levels in men decline approximately 1-2% per year after age 30, a trajectory sometimes called "andropause" in popular media, though endocrinologists prefer the term late-onset hypogonadism. By age 60, a significant proportion of men have testosterone levels below the reference range of 300-1 to 000 ng/dL.

The TESTOSTERONE trial (TTrials), a coordinated set of seven placebo-controlled studies published in The New England Journal of Medicine and JAMA Internal Medicine, enrolled men aged 65 and older with low testosterone (<275 ng/dL) and assessed one year of gel-based TRT. Key findings:

Sexual function improved modestly.
Physical function (walking distance) showed a small but statistically significant improvement.
Mood and depressive symptoms improved in men with baseline depression.
Bone mineral density increased at the spine and hip.
Coronary artery plaque volume increased slightly, raising cardiovascular questions.

A larger, longer-term answer came from the TRAVERSE trial, published in NEJM in 2023, which randomized over 5,000 men aged 45-80 with hypogonadism and pre-existing or high risk of cardiovascular disease. The primary finding: TRT did not increase the incidence of major adverse cardiovascular events compared to placebo. This trial meaningfully shifted the risk conversation for clinicians who had been cautious since a 2010 FDA advisory.

For a man like Stallone, starting TRT in his 60s under medical supervision, the clinical literature supports plausible benefits in lean mass preservation, bone density, energy, and mood. The risks that remain relevant at his age include polycythemia (elevated red blood cell count), sleep apnea exacerbation, and prostate monitoring requirements per Endocrine Society guidelines.

Celebrity TRT Disclosures: A Comparative Timeline

The HealthRX Medical Team analyzed public celebrity disclosures involving TRT and related hormone therapies to identify patterns in how these conversations reach the public. The following comparison uses only confirmed public statements or matters of public record.

Sylvester Stallone (confirmed, ~2007-present) The earliest and most sustained celebrity TRT disclosure. Stallone's Australian customs incident forced public acknowledgment, but his subsequent framing was voluntary and medical in tone. He has referenced hormone therapy across nearly two decades of interviews. No other public figure has maintained this long a public record with TRT.

Joe Rogan (confirmed, ~2018-present) Rogan has discussed his TRT use extensively on The Joe Rogan Experience podcast, typically framing it as part of a broader optimization protocol that includes sauna use, cold exposure, and supplementation. His disclosure was voluntary from the start and has been consistent. Rogan's audience skews younger than typical TRT candidates, making his influence on early-adopter interest disproportionately large relative to the clinical population.

Robbie Williams (confirmed, ~2021) The British singer confirmed TRT use in interviews with The Sun and other UK outlets, describing it as a response to low energy and mood issues in his mid-40s. His disclosure was brief and has not been a recurring topic in his public appearances.

Arnold Schwarzenegger (confirmed historical steroid use; current TRT speculated) Schwarzenegger has confirmed steroid use during his competitive bodybuilding career in the 1970s-80s. Whether he currently uses TRT has not been publicly confirmed by Schwarzenegger himself, though it is widely speculated in fitness media given his age (late 70s) and continued training. The HealthRX Medical Team treats this as speculated, not confirmed.

Dwayne "The Rock" Johnson (speculated) Johnson has not publicly confirmed TRT or testosterone use. His physique has been the subject of extensive public speculation, particularly in fitness forums and social media. He has discussed his steroid use as a teenager in a 2009 interview but has not made statements about current hormone therapy. This remains speculated.

Vince McMahon (confirmed, legal proceedings) McMahon's testosterone prescriptions became part of public legal records during federal proceedings. This is a qualitatively different type of disclosure: involuntary, legal, and without the medical-framing that characterizes Stallone's or Rogan's narratives.

What the Disclosure Pattern Reveals

Three distinct categories emerge from these cases:

Forced disclosure, then reframed (Stallone, McMahon). An external event (customs, legal proceedings) made the information public. Stallone then took ownership of the narrative and reframed it medically. McMahon did not.
Voluntary, sustained disclosure (Rogan). The information was shared proactively and revisited frequently, typically as part of a self-optimization identity.
Voluntary, limited disclosure (Williams). A one-time or infrequent acknowledgment without making it a recurring public topic.

The HealthRX Medical Team notes that these patterns matter for public health literacy. Stallone's long public timeline normalized the idea that TRT is a medical intervention, not merely a vanity project. Rogan's sustained discussion introduced the concept to a younger demographic. Neither replaces individualized clinical evaluation, but both shifted the Overton window for men willing to discuss hormonal health openly.

Outcomes Stallone Has Reported vs. What the Evidence Supports

Stallone has publicly attributed sustained muscle mass, energy, and physical capacity in his 70s to his regimen. The clinical literature supports the plausibility of these outcomes under supervised TRT.

A 2020 meta-analysis in Reviews in Endocrine and Metabolic Disorders found that TRT in hypogonadal men produced:

Average lean mass increase of 1.6-2.0 kg over 6-12 months
Modest reductions in fat mass (1.0-1.5 kg)
Improved grip strength and lower-extremity power in older cohorts

These are real but moderate effects. The dramatic physicality Stallone maintained into his late 70s almost certainly reflects the combination of TRT with elite-level training, nutrition management, and (by his own admission) past HGH use, not testosterone alone.

The HealthRX Medical Team emphasizes this distinction. TRT prescribed at physiologic replacement doses (typically 100-200 mg/week of testosterone cypionate or equivalent transdermal delivery) produces measurable but bounded improvements. The transformations visible in some celebrity physiques often suggest supraphysiologic protocols that carry a different risk profile, including left ventricular hypertrophy and accelerated atherosclerosis.

What the HealthRX Medical Team Takes From This

Stallone's public record is, by duration alone, the most informative celebrity case study in TRT. Close to two decades of public statements, a customs incident that forced transparency, and a consistent medical framing set his case apart from the ambiguity surrounding most celebrity hormone discussions.

The comparison across public figures reveals that confirmed TRT users (Stallone, Rogan, Williams) consistently describe it in terms the clinical literature supports: energy, body composition, mood. Speculated cases (Johnson, current-day Schwarzenegger) remain speculated precisely because those individuals have not made public statements, and the HealthRX Medical Team will not infer private medical decisions from physical appearance.

For men considering TRT, the clinical takeaway is straightforward. The Endocrine Society recommends TRT only for men with confirmed low testosterone (measured on at least two morning samples) combined with symptoms of deficiency. Monitoring should include hematocrit, PSA, lipid panels, and liver function at baseline and regular intervals. TRAVERSE established cardiovascular safety in the studied population, but individual risk assessment remains essential.

Celebrity disclosures can open doors to conversation. They cannot replace lab work, clinical evaluation, or the recognition that what a 78-year-old action star achieves with world-class resources is not a template for population-level prescribing.

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