The testosterone therapy preparations that are commonly available include testosterone injections (enanthate, cypionate, undecanoate), patches, gels and tablets.

Should partial androgen deficiency of aging be treated?

I don’t think it needs to be treated, unless the patient is symptomatic.

How is primary hypogonadism-related secondary osteoporosis treated?

It can be treated with adequate replacement of testosterone with calcium, vitamin D and exercises, with cessation of smoking.