Science

Paraxanthine vs. Caffeine: What the Science Actually Says
An objective, data-driven comparison of paraxanthine and caffeine. What the peer-reviewed research actually shows, where the evidence gaps are, and why naturally extracted caffeine from cold brew still has by far the deeper evidence base. Read more...
Coffee and Your Gut: What the Microbiome Research Says
What human studies have found about coffee drinkers' gut bacteria and coffee's effect on the colon, with a link to each study and a plain account of what the research can't show. Read more...
Cold Brew vs. Energy Drinks: The Ingredient Comparison
Grab a can of a mainstream energy drink and read the ingredient panel, then do the same with a can of black cold brew coffee. They're different product categories, and the labels show it. This guide goes through what's typically on an energy drink label, what official sources and published research say about those ingredients, and how to compare the two. What's Typically in an Energy Drink The National Center for Complementary and Integrative Health (NCCIH) says caffeine is a major ingredient in energy drinks, and lists other common ingredients... Read more...
The Science of Caffeine: How It Works and What Large Studies Report
How caffeine works, how long it lasts and what large studies of coffee and caffeine have reported, with links to the primary sources. Read more...
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