Testosterone therapy can improve strength, body composition, sexual function and quality of life, but more is not always better. Learn what the latest evidence says about optimal testosterone levels, estradiol, injections, creams, gels, pellets, cardiovascular and prostate health, fertility, tendon risk and intelligent TRT monitoring.

Growth hormone replacement therapy is often sold as anti-aging magic, but the story is more complicated. Lifters should look past the hype and weigh the upside against the drawbacks.