It’s a goopy situation.

Actress and entrepreneur Gwyneth Paltrow’s lifestyle platform Goop just published a blog post attacking San Francisco-based Canadian OB-GYN Jennifer Gunter. While Goop has made a name for itself as an e-commerce success with a print magazine on the way, it’s also known as a platform that occasionally touts controversial health advice. One trenchant critic of the latter has been Gunter, who has argued that putting jade eggs in your vagina— as one Goop contributor suggested— is a bad idea.

Now Goop is fighting back with a post that calls Gunter an “OB-GYN/blogger [who] posted a mocking response on her site.” While the latest Goop story doesn’t quite advocate for putting jade eggs in the female genitals, Goop argues that it shouldn’t be ridiculed for fielding ideas that aren’t medically orthodox. “As women, we chafe at the idea that we are not intelligent enough to read something and take what serves us, and leave what does not. We simply want information; we want autonomy over our health,” the website wrote. “That’s why we do unfiltered Q&As, so you can hear directly from doctors; we see no reason to interpret or influence what they’re saying, to tell you what to think.”

For her part, Gunter— who has around 44,000 Twitter followers and is regularly quoted by women’s health media— doesn’t seem particularly bothered at being dragged into the spotlight by a multimillionaire celebrity. Goop “are using an ancient, bespoke, artisanal single shot musket and I have a modern weapon,” she tells Moneyish via a Twitter message.

Bizarrely, Goop went on to cite an open letter to Gunter from a male doctor which began by telling her she shouldn’t swear at Goop. “A very wise Professor of Surgery at the University of Michigan once instructed me to never write anything that my mother or child wouldn’t be proud to read,” wrote Dr. Steven Gundry, the medical director of the International Heart and Lung Institute at California’s Centers for Restorative Medicine. “I hope, for the sake of your mother and child, that a re-reading of your article fails his test, and following his sage advice, that you will remove it.”

Paltrow went on to tweet a link to the post with the phrase “when they go low, we go high,” a reference to a remark made by former First Lady Michelle Obama responding to political attacks on her husband.

Goop has made significant money from devotees of Paltrow. Most recently, it hosted a health conference where tickets went for between $500 to $1,500. It also raised $10 million in venture capital funding last year.

It’s worth noting that the actress told late night show host Jimmy Kimmel last month that she’s yet to try the jade egg remedy. “I don’t know what the f–k we talk about,” she said.