During the 2017 competition season, dozens of CrossFit athletes faced bans and suspensions for use of various prohibited substances. The most common reason they failed their drug tests? Ignorance of the drug testing policy. 

In this 52-page eBook, Invictus Master Coach Calvin Sun reveals twelve unexpected banned substances that might be sitting in your medicine cabinet or supplement drawer right now. Don't go into the 2018 season uninformed and at risk of testing positive for a substance you didn't realize was banned. You can learn the hard way by getting a positive test. Or you can learn the easy way and download our new guide, "12 Banned Substances Every Athlete Needs To Know Before Competing". 

Best of all, we're currently offering the digital edition of the book completely FREE of charge to all members of the Invictus online community. Simply sign up with this form and you'll receive your copy in your inbox.