Testosterone Substitute Therapies exist in a variety of preparations and delivery techniques to treat Minimal T. These contain very long and short acting intramuscular injections, transdermal patches like Androderm® and Testoderm®, scrotal patches, transdermal gels like Androgel®, topical creams like Testim®, buccal gum, implantable pellets like Testopel®, and oral preparations. http://louisville-hrt59371.timeblog.net/24919741/the-2-minute-rule-for-testosterone-therapy