‘Liquid gold’ or gimmick? What science says about the benefits of colostrum — and where to get it

The black market for breastmilk isn’t exactly so secret anymore. Back in 2025, a TikToker boasted that she made over $13,000 by selling their breastmilk to bodybuilders, convinced that it would help them bulk up. In Australia, there are reports of cancer patients searching Facebook groups for breastmilk, under the belief that it will help treat their disease. Sometimes, it’s not just regular breastmilk they want — it’s specifically colostrum....