Rhonda Patrick· PhD
Dairy proteins can bind to coffee’s antioxidants and polyphenols and slow their absorption.
Loading…
The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Dairy proteins can bind to coffee’s antioxidants and polyphenols and slow their absorption.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Many people ask, "Does adding dairy to your coffee blunt its beneficial effects? The short answer is partially yes, especially if your goal is rapid polyphenol absorption and maximum cognitive benefit.
Milk contains casein and whey proteins, which bind tightly to coffeey's main antioxidants, the chlorogenic acids. These protein polyphenol complexes slow down early absorption in the small intestine, reducing the sharp immediate surge in these antioxidants in your bloodstream by about 20 to 30%.