United Kingdom, May 21 -- Jenny McCarthy feels "25 again" after swapping her vegan meals for a meat-based diet.

The 52-year-old TV star spent years avoiding animal products because she wanted to eat "clean" but it played havoc with her digestive system and left her feeling bloated and she was told to try a "carnivore" diet by a doctor who warned her she may need a colostomy bag if her bowel problems didn't clear up.

She told PEOPLE: "My bloat was so bad that it always made me feel like I was about three months pregnant.

"And I'm sorry if this is too TMI [too much information], but I was a complicated person who only went to the bathroom once every 14 days ...

"I went on the carnivore diet. I was so against it, but my doctor was like, ...