Insufficiency in Women.

In addition to low libido, the female construct of female testosterone insufficiency includes the presence of significant ongoing fatigue and a decreased sense of well being.  Multiple randomized controlled clinical trials show that treatment with testosterone can lead to decreased symptoms and improve libido.  Additionally, dose that are higher than traditional levels are safe and effective. Finding doses that produce supraphysiologic levels are important and healthy. 

Braunstein, G. 2006 Growth Hormone and IGF Research. Jul;16 Suppl A:S109-17.