Is bovine colostrum really 'liquid gold' for gut health?

NPR | By Ari Daniel

Published June 2, 2026 at 4:41 PM EDT

Wellness influencers are promoting supplements of cow colostrum, the first milk that mammals produce after giving birth, for advancing immunity and a healthy gut. Does science back up their advice?

Ari Daniel

Ari Daniel is a reporter for NPR's Science desk where he covers global health and development.

See stories by Ari Daniel

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