The 58-year-old matriarch is allegedly in talks with E! to sign her son up to the new season of the weight loss programme, which kicks off this Autumn, in a bid to help him shed his unwanted pounds.
A source told the HollywoodLife.com: ''With 'The Biggest Loser' being on NBC, they share a lot of the same people who make decisions with E!, so Kris has been in meetings to see if it would work to have Rob on Season 16 this fall.
''Everyone is on board for this to happen except Rob, he still needs convincing but most people involved in the talks think Kris will get her way and have him join the show.''
The 27-year-old sock designer has plunged into depression after gaining a substantial amount of weight, and even missed his sister Kim Kardashian's wedding to Kanye West last month because he was so unhappy with his appearance.
However, Kris insists Rob is currently working through his issues and she will be there to support him no matter what.
She said previously: ''Rob is living in LA right now and he's doing well, finding out what makes him tick and struggling with some stuff ... We get through each other's adversity one year at a time.
''My job is to be there for him and to love him as hard as I can. Everybody goes through stuff.''