T-shot is an intramuscular injection for men given on a weekly basis. Most doctors will give a very large dose (200mg) and do the injection every 2-3 weeks but this is too strong of a dose and can lead to a rollercoaster of symptoms. I like to give a much lower dose (50mg to 100mg) on a weekly basis with testosterone cypionate, the longest releasing form. Testosterone in older men can enhance sexual performance, provide more energy, mental clarity and stamina.