hormone levels

I'm a new to this entire scene, started with levels of around 320, age 40, doctor started me on 100mg once a week. Curious on what type of levels I should expect to see from this? Thanks

Testosterone levels are still falling in young men, quite significantly. It's a good time to be in the testosterone replacement business. From the article: In an analysis of data from 4045 adolescent and young men aged 15 to 39 years who participated in the National Health and Nutrition...