Nana acknowledged that fighting the addiction is not an easy process but said the important thing is to take it serious.
Nana said she takes every day as a blessing and asked her fans to help her celebrate the day.
"In as much as how hard it's going to be, look for the people around you to help you and never be ashamed to ask for help.
The day I asked for help is the day my life changed. 23 years later I could not even imagine that I could even be a mother of amazing young boys and which is most important. I am strong and independent and I am taking every day as a blessing. So, please help me celebrate."
Celebrating the milestone, she encouraged anyone who is fighting any sought of addiction not to give up.
"Whatever the addiction was, be it a couple of days, weeks, years, decades well done. For those still struggling, please take it very seriously and take your life serious. Keep going and you will take minute. Today is my day and I am really proud of the woman I am becoming," she said.
June Chebet, daughter of former President Moi, is dead