What do the studies show?

Did the older adult studies find a benefit?

The adult studies reviewed in September 2026 were small and brief: each involved 10 to 19 people.

None followed treatment for more than 16 weeks.

A hormone is a substance the body makes to carry a message from one part of the body to another.

Some studies gave people sermorelin. Another gave a similar medicine with a change to one of its tiny parts; it was not sermorelin itself.

The studies found higher growth hormone levels. Some also found higher IGF-1, another substance in the body involved in growth.

A higher blood reading alone does not tell you whether you will sleep better or feel better. Ask what changed in daily life for the people in the study.

What about body fat or sleep?

The studies detected no change when they measured body fat.

The 16-week study gave older adults the similar medicine described above. It found no change in sleep quality.

That sleep result was for the changed medicine, not for sermorelin itself.

Ask whether the evidence offered is about this drug, in adults, for the outcome that matters to you.

Do studies in children answer my question?

The main trial behind the old treatment approval involved children with a diagnosed growth hormone shortage.

All the children in that trial received the medicine. There was no separate group receiving a different treatment or no active medicine to compare their results with.

Ask how the study can separate the effect of the medicine from other reasons for a change.

Ask the doctor to explain why a result in children would support the use being proposed for you. Keep that reasoning beside the study, not just the headline.