Methodology
Hormones and Fat Loss Over 40
Francesco Zen, founder of ZTraining · Last updated 19 June 2026
What's actually controllable
Three things make a real difference and stay fully within someone's own hands: how nutrition is structured, how stress is managed, and how seriously recovery is treated. These three consistently move the needle on hormonal efficiency.
Where coaching reaches its limit
Beyond those three, genuine hormonal issues need to be addressed at a supplement level or through medical care, not through training adjustments alone. Being honest about that line is part of doing this work properly.
Related: Testosterone, age and training, what's real · Why recovery matters more after 40 · Strength training for women over 50
He built Mr Z, an AI coach trained on his methodology to bring the same approach to a wider audience.