Zack 'King' Khan puts 2x Heavyweight Bodybuilders through Back Day │EP.14 │ ZKK Under Construction

The last episode of 2023!! The legend, Zack 'King' Khan puts not one, but two super heavyweight bodybuilders through their toughest back session yet! This episode is powered by Chemical Warfare Supplements and in collaboration with Heavy Duty Gymwear!

If you want to fuel up on the best like ZKK and try our brand new, Orange Ice Lolly flavour workout stack and make sure to check out our full rage and use ZKK15 for 15% off the website! Thank Zack later!

Check out Heavy Duty Gymwear, sizes range from medium to 5XL. You can use "adam" or "gaz" for 10% off everything at www.heavyduty-gymwear.com