Exclusive | Kourtney Kardashian launches supplement inspired by breast milk — and casts Kim as a lawyer in new ad

Kourtney Kardashian Launches Breast Milk-Inspired Supplement

Kourtney Kardashian recently spoke to The Post about her newest supplements, marking a fresh step in her Lemme product line. This time, she introduces gummy and liquid colostrum supplements inspired by human breast milk to promote beauty and gut health.

New Products in the Lemme Line

Both supplements became available on the brand’s website on Thursday, November 7.

Sister Collaboration in New Campaign

For the first time, Kourtney’s sister Kim Kardashian stars alongside her in the campaign. The ad features Kim as a lawyer suing Kourtney for releasing the product without sharing it with her first, adding a humorous touch to the launch.

“I’ve taken colostrum for years because it’s amazing for gut and immune health, but I wanted to make it easier for everyone to enjoy,” Kourtney explained. “Some people love the simplicity of a gummy, while others want to add it to their matcha or coffee, so we created both.”

The playful promo video hints that Kourtney has been keeping these supplements to herself until now.

Author’s Summary

Kourtney Kardashian expands her Lemme brand with colostrum-based supplements inspired by breast milk, featuring her sister Kim in a witty new campaign highlighting their sibling dynamic.

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New York Post New York Post — 2025-11-05