Some men say testosterone replacement therapy has changed their lives. But some of Britain's top doctors are worried that social media and slick marketing are convincing men their normal testosterone is "low," selling them a treatment many don't actually need. Sky News' Barnaby Papadopulos speaks to the men going through TRT, challenges Voy, one of the UK's biggest TRT providers, and investigates who really needs it. #testosterone #men #uk #skynews SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on X: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Why not listen to one of our podcasts? This is Why, available for free here: https://podfollow.com/thisiswhy or Ed Conway's Stuff Matters, available here: https://podfollow.com/stuff-matters To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales