Zac Clark reveals he 'could not stop shooting heroin' before turning his life around

The Bachelorette's Zac Clark Celebrates 10 YEARS Clean & Sober From 'Shooting Heroin, Smoking Crack, And Guzzling Booze'

'The Bachelorette' Alum Zac Clark Celebrates 15 Years of Sobriety: 'Thank You'

The Bachelorette's Zac Clark Recalls "Shooting Heroin, Smoking Crack" on 10th Sobriety Anniversary