Bill and Imelda Roche AO established Nutrimetics International ( Australia ) Pty Limited in 1968 and 23 years later , in 1991 , acquired the worldwide interests of Nutrimetics International .
Bill and Imelda Roche AO are Australian business persons who established Nutrimetics International ( Australia ) Pty Limited in 1968 . 
 In 1991 , they acquired the worldwide interests of Nutrimetics International .