Reality TV star Khloe Kardashian says her elder sister Kourtney Kardashian is a health freak.

Khloe says Kourtney only eats organic food and has banned soda in her house, reports femalefirst.co.uk.

Sharing healthy eating tips on her official website, Khloe wrote: "Kourt (Kourtney) is such a health freak, but I can appreciate someone who tries to live their life to such a high standard. She's totally turned her diet around after having kids and I can respect that!"

`Kourtney does not allow soda in her house. I do appreciate that and so I've been drinking way more water, but when I am craving a soda, I have to hide it from her, even in my own house!" she wrote further.

Khloe shared that it is `important to eat organic`.

`There are definitely times when I run to my local big-box store for groceries. When that happens, Kourtney will straight-up look through my fridge and if she sees something that is not organic, she'll give it away," she said.