Matt Kaeberlein, a longevity researcher, started TRT in his 50s. He said stigma and lack of information can make the process confusing.

If you’ve been feeling a little low in more than one aspect of life, you’re not alone, and chances are you’re not going crazy, either. You may be experiencing the symptoms of low testosterone.

Injectable testosterone esters and transdermal testosterone gels have generally been assumed to be equally safe and effective forms of testosterone-replacement therapy for male hypogonadism. Now, ...

Many healthcare providers regard testosterone cypionate and testosterone enanthate as interchangeable, but each has differences in their ingredients and duration of action. These differences influence ...

Testosterone injections are a treatment for sexual dysfunction in males and for low testosterone in either males or females. They can also be part of gender affirming care. Although testosterone ...

Testosterone substitution in male hypogonadism is a recognized tool to treat symptomatic patients. Various forms of this treatment exist including a long-acting intramuscular form using testosterone ...

Injectable testosterone is associated with a higher short-term risk of cardiovascular events compared with testosterone gel or patch formulations, according to a new epidemiologic study of three large ...

ARSYNL Rx Launches Exclusive HypoSpray® Transdermal Testosterone Option, Marking a New Era in Hormone Support Dover, United States – February 5, 2026 / ARSYNL Rx / ARSYNL Rx, a leader in ...