Treating certain children or adults when the body does not produce enough growth hormone. It is also used to treat certain children who are not growing normally due to Turner syndrome or other conditions (eg, chronic kidney problems, idiopathic short stature). It may also be used for other conditions as determined by your doctor. Nutropin AQ NuSpin is a growth hormone that produces effects that are identical to the body's naturally occurring growth hormone. It affects the growth of bones, muscles, internal organs, and other tissues of the body.