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

Kourtney Kardashian Launches Breast Milk-Inspired Supplements

Kourtney Kardashian introduced a new addition to her Lemme supplement line, featuring gummies and liquid colostrum inspired by human breast milk, aimed at promoting beauty and gut health.

New Product Details

Both products were made available on the brand’s website starting Thursday, November 7.

Campaign Featuring Kim Kardashian

For the first time, Kourtney enlisted her sister Kim Kardashian in the campaign, where Kim plays the role of a lawyer prosecuting Kourtney for not sharing the supplements before their release.

“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.”

Campaign Tone

The promo video humorously depicts Kim suing Kourtney, suggesting Kourtney had been keeping the product from her until now.

Author’s summary: Kourtney Kardashian expanded her Lemme brand with breast milk-inspired colostrum supplements, combining health benefits with humor by featuring Kim in a playful legal ad campaign.

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