Bovine Colostrum: Modest Evidence for Fewer Sick Days, Little for Performance

5 days ago

5 min read

Updated: 4 days ago

Bovine colostrum - the first milk a cow produces after calving - has been sold to athletes for twenty years on two promises: fewer colds during heavy training and more muscle from the growth factors it contains. Those are different claims resting on different evidence, and they deserve to be judged separately.

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