Pellets, injections or creams: what actually differs is the release curve

Medically reviewed by

The LovMedSpa medical team, led by Dr. Ahmed Elsoury, MD and Mark Ennett, PhD, CRNA

Last reviewed: July 2026

Delivery route determines the shape of your hormone levels over time, and that shape drives both symptom control and side effects. The meaningful difference between pellets and injections is not convenience. It is whether the dose can be changed after it has been given.

How each route shapes the curve

Every route produces a different concentration curve. Intramuscular or subcutaneous injections produce a peak after administration and a trough before the next dose, and the size of that swing depends on the ester used and the interval between doses. Smaller, more frequent doses flatten the curve considerably, which is why weekly protocols have largely replaced fortnightly ones in careful practice. Creams and gels give steadier daily levels but depend on absorption and application consistency, and carry a transfer risk to partners and children. Patches are steadier still and avoid that transfer risk.

Pellets: steady release, limited control

Subcutaneous pellets are placed in the hip or gluteal area and release over roughly three to six months. That steadiness is the appeal. The limitation is control. Once a pellet is in, the dose cannot be reduced without a procedure, so an over-dosed patient waits it out. Site complications include extrusion, bleeding and infection. It is also worth asking whether a given pellet is an FDA-approved product or a compounded preparation, since compounded hormone pellets are not FDA-approved and that affects how they are manufactured and tested.

Monitoring, and why numbers alone don't drive the dose

Monitoring should match the route. Labs drawn at trough for injections, at a consistent point in the cycle for pellets, and at a consistent time of day for topicals, since a number taken at the wrong moment describes the timing rather than the dose. On testosterone therapy, hematocrit is checked on a schedule because erythrocytosis is dose-related and often silent.

One final point separates good practice from poor. Symptoms and laboratory values do not always move together. A patient who feels well within a reasonable range does not need chasing upward, and a number alone is not a reason to escalate. The goal is symptom control at the lowest effective exposure, which is a slower and less satisfying answer than a target figure.

Common questions

When should labs be drawn for each route?

Monitoring should match the route: labs drawn at trough for injections, at a consistent point in the cycle for pellets, and at a consistent time of day for topicals, since a number taken at the wrong moment describes the timing rather than the dose. On testosterone therapy, hematocrit is checked on a schedule because erythrocytosis is dose-related and often silent.

Does a pellet's steadiness make it the better option?

Steadiness is the appeal of pellets, but the limitation is control. Once a pellet is in, the dose cannot be reduced without a procedure, so an over-dosed patient waits it out. Site complications include extrusion, bleeding and infection. Steady release is a real advantage, but it is traded against the ability to adjust the dose after it has been given.

If I feel fine but a number is “low,” should the dose change?

Symptoms and laboratory values do not always move together. A patient who feels well within a reasonable range does not need chasing upward, and a number alone is not a reason to escalate. The goal is symptom control at the lowest effective exposure, which is a slower and less satisfying answer than a target figure.

At LovMedSpa, hormone therapy is physician-led under medical director Dr. Ahmed Elsoury, MD (New York and Connecticut) and Mark Ennett, PhD, CRNA (South Florida), with route selection and monitoring matched to the patient, across our Brooklyn, Manhattan, Staten Island, Aventura, and West Farms locations. A consultation is the best way to determine which delivery route and monitoring schedule fit your goals and history.

This is general information, not medical advice; delivery route and dosing are determined by a physician after labs and history.