Jason has been described as the “UK’s Anthony Robbins” and the ”Jamie Oliver of the health and juicing world”. His books have now sold over 3 million copies around the world and, along with his DVD's, have been translated or subtitled into Turkish, Portuguese, Danish, Finnish, Swedish, Dutch and French. His most well known book,7lbs In 7 days Super Juice Diet hit the number one best-selling spot in ALL books on Amazonand on Play.com – it knocked the Da Vinci Code from the top spot of ALL books. The Turkish version went to number 2 in the Turkish charts. Jason's book entitled, Turbo Charge Your Life In 14 Days, hit number 3 on Amazon of ALL books, it was kept off the top spot only by Harry Potter, which held number 1 and number 2 spots (Adult and Childrens version).

Filmography