The new and essential men's self-help guide on testosterone by a leading male hormone expert to supercharge your health, wellness and confidence for 2026! - EXPERT AUTHOR: Dr Jeff Foster is a leading endocrinologist and men's health specialist, with expertise in testosterone deficiency and treatment. His podcast, Man Alive, has been number one in the health and fitness charts - FIRST BOOK TO MARKET: No other titles have been published in this area, but the role of testosterone in men's health is of vast interest in health and well-being conversations online and on social and mainstream media, and in men's longevity spaces - ACCESSIBLE INFORMATION: Written in an accessible and friendly tone, the book details the physical, mental and sexual symptoms of testosterone deficiency; answers commonly asked questions; guides readers through getting a diagnosis, and explores treatment options and lifestyle changes to improve your testosterone levels - GLOBAL APPEAL: Whilst Dr Jeff is based in the UK, he frequently takes place in conferences around the world and the book's content does not centre on the NHS or UK health protocol, making it highly relevant to readers globally - DIGITAL OPPORTUNITIES: Books on men's health perform incredibly well in audio and ebook, and there are plenty of opportunities Competition: Testosterone; Natural Remedies for Low Testosterone; Man Food; The DOSE Effect; How to Build a Body That Lasts; Endure; How to be Your Own Therapist; The Mind Manual; Start Where Others Stop. By; Nelson Vergel; Stephen Harrod Buhner; Ian Marber; TJ Power; Adam Richardson; Alex Hutchinson; Owen O'Kane; Dr Alex George.