Colostrum – often called "liquid gold" for its impact on gut health, recovery, immunity, and overall wellness – seemed to burst onto the wellness scene a few years ago. But it's actually been around since ancient times: Ayurvedic physicians have prescribed it for more than 2,000 years.

Cowboy Colostrum is the best modern brand I've found at preserving that original integrity — whole, first-day colostrum, the way it's been used for millennia. Most of the bigger names you've seen on your feed process theirs into something far removed from the whole form that earned colostrum its reputation in the first place. Here's why Cowboy is the one I'd actually recommend.