Testosterone pellets, inserted under the skin in a brief in-office procedure, typically last three to six months before needing replacement, delivering a slow, steady release of testosterone over that period, while injections are administered on a much more frequent schedule, typically weekly or every other week, but offer more flexibility to adjust dosing along the way.
How testosterone pellets work?
Pellets are small, cylindrical implants inserted just beneath the skin, usually in the hip area, through a minor in-office procedure using local anesthesia. Once placed, they release testosterone steadily and gradually over several months as the pellet slowly dissolves, providing consistent hormone levels without the need for injections, patches, or daily gels during that period.
How testosterone injections work?
Injections are typically self-administered at home on a weekly or biweekly schedule, delivering testosterone directly into muscle tissue, where it's gradually absorbed into the bloodstream. Because injections are dosed more frequently, blood levels tend to peak shortly after each injection and gradually decline until the next one, creating more fluctuation over each cycle compared to the steadier release from pellets.
How does the steadiness of hormone levels compare?
Pellets generally provide more consistent, stable testosterone levels over their multi-month duration, since the release is slow and continuous rather than peaking and declining with each dose. Some patients on injections notice more day-to-day variation in energy, mood, or libido that tracks with where they are in their injection cycle, an effect that's typically less pronounced with pellets, though injection frequency and dose can often be adjusted to minimize this fluctuation as well.
How do flexibility and adjustability compare?
Injections offer more flexibility for dose adjustment, since your provider can modify your dose or frequency at your next scheduled injection based on how you're responding and your latest labs. Pellets, once inserted, deliver a fixed release pattern for the full duration until they're replaced, meaning adjustments generally have to wait until the next insertion cycle rather than happening in real time.
How does convenience compare?
Pellets require only two to four in-office visits per year for replacement, appealing to patients who prefer not to deal with regular self-injections. Injections require more frequent administration but can be done at home on your own schedule, without needing to plan around an in-office procedure every few months.
Which one is right for you?
If steady, consistent levels and minimal ongoing effort matter most to you, pellets are often the better fit. If flexibility to fine-tune your dose more frequently, or simply a preference for self-administered treatment, matters more, injections may be preferable. Both are effective, well-established delivery methods — the right choice comes down to your lifestyle and personal preference as much as clinical factors.
How do you make the decision together?
A consultation with our clinical team can walk through both options in more detail and help determine which delivery method fits your goals, schedule, and how your body responds to treatment.