The Science of Coffee

The pH Number That Separates Genuine Low Acid Coffee From Marketing Claims Quick Answer Low acid coffee should measure above pH 5.5 by independent testing — the LACCSA certification threshold. Regular coffee averages pH 4.8–5.0....

The definitive low acid coffee myth-busting guide — bean selection, dark roast, cold brew, decaf, organic — every myth refuted with peer-reviewed science from UC Davis and NC A&T University.

The complete history of low acid coffee — Venezuelan origin, the Sachs family innovation, two university studies, and the federal lawsuit that changed the industry.

Chapter 10: The Fourth Wave of coffee is the First Wave restored — traditional slow-roasting at commercial scale. What it means for American coffee culture, consumer health, and where the industry goes from here.

Chapter 8: NC A&T University tested 7 coffees marketed as low acid — 6 were actually high acid. The Wild West of unverified low acid claims, and why LACCSA was created to protect consumers.

Why Truth in Advertising is Being Enforced — No More Placebo Effect Marketing How to Tell If a "Low-Acid" Coffee Claim Is Real — and What to Do If It's Not. Consumers and competitors rely...