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

Kourtney Kardashian Launches New Supplement Inspired by Breast Milk

Kourtney Kardashian recently introduced a new product to her Lemme supplement line: gummy and liquid colostrum, inspired by human breast milk. The supplements aim to support beauty and gut health.

Collaborative Campaign Featuring Kim Kardashian

For the first time, Kourtney recruited her sister Kim Kardashian to star in the campaign. In the ad, Kim plays a lawyer suing Kourtney for not sharing the supplements before their public release, adding a humorous twist to the promotion.

Product Details

Both products became available on the brand’s website starting Thursday, November 7, 2025.

“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 told The Post. “Some people love the simplicity of a gummy, while others want to add it to their matcha or coffee, so we created both.”
Summary

Kourtney Kardashian expands her Lemme brand with colostrum supplements inspired by breast milk, featuring her sister Kim in a playful legal-themed ad to highlight the products' gut and immune benefits.

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