The most common complaints associated with low
testosterone in adult men include reduced libido, erectile
dysfunction, loss of energy, decreased strength and/or
endurance, reduced ability to play sports, mood
fluctuations, reduced height (bone loss), reduced work
performance, memory loss, and muscle loss.50 When
associated with aging, these symptoms are collectively
placed under the label of “andropause”. In a clinical setting
this disorder is referred to as late-onset hypogonadism.
Blood testosterone levels below 350ng/dL are usually
regarded as clinically significant, although some
physicians will use a level as low as 200ng/dL as the
threshold for normal.Hypogonadism is, unfortunately, still
widely under-diagnosed. Most physicians will also not
recommend treatment for low testosterone unless a
patient is complaining about symptoms (symptomatic
androgen deficiency).