Something has shifted in the American coffee market — and it's been a long time coming. For decades, millions of coffee drinkers with acid reflux, GERD, and sensitive stomachs were told they had two choices: suffer through their morning cup or give it up entirely. That story is over. The low acid coffee revolution has begun, and the science behind it has been confirmed at the highest levels of academic research.
⚠️ The Science: Studies have NOT shown that reducing caffeine directly decreases acid reflux. What definitively helps is reducing acid intake. Puroast's traditional roasting achieves pH 5.82 — confirmed by UC Davis. Bean origin does not determine pH. Roasting chemistry does.
Join the Revolution — Shop Puroast Low Acid Coffee
House Blend 2.5 LB - Ground or Whole Bean Shop Now → |
Mocha Java 2.5 LB - Ground or Whole Bean Shop Now → |
Dark French Roast 2.5 LB - Ground or Whole Bean Shop Now → |
More than 60 million Americans experience acid reflux symptoms regularly. Standard commercial coffee sits at pH 4.7–5.0 — a level of acidity that irritates the esophagus, stomach lining, and gut for people with sensitive digestive systems. No amount of reducing caffeine, switching roast levels, or choosing different beans changes that pH meaningfully. The industrial roasting process that has dominated coffee production since the 1800s produces high-acid coffee by design — fast, cheap, and acidic.
For decades, the medical community's advice to acid reflux sufferers was simple: stop drinking coffee. This advice was well-intentioned but incomplete. The problem was never coffee itself — it was the chemistry of how coffee was being roasted. Traditional roasting methods, practiced by Andean farmers for generations, produced a fundamentally different chemical profile. When Puroast founder Kerry Sachs discovered this, he spent 40 years refining and protecting the process that would become the foundation of the low acid coffee revolution.
As demand for low acid coffee has grown, so has the number of brands claiming to offer it. In 2024, North Carolina A&T State University tested 7 coffees sold on Amazon with low acid labeling. Six out of seven were classified as high acid — falling well below the LACCSA threshold of pH 5.5. Puroast was the only coffee to pass — confirming its pH 5.82 result independently of UC Davis research.
This is why LACCSA was established: to protect consumers and ensure that "low acid" means something real. Before LACCSA, any brand could print "low acid" or "gentle on the stomach" on their packaging without any independent verification. The NC A&T study exposed how widespread this mislabeling had become — and why a verified standard was urgently needed.
|
6/7 Coffees marketed as "low acid" failed NC A&T 2024 independent testing |
pH 5.82 Puroast — the only verified low acid coffee — UC Davis confirmed |
5X Less acid AND more antioxidants than average commercial coffee |
The Third Wave of coffee — craft roasters, single origins, transparent sourcing — was a meaningful step. But it was incomplete. Third Wave roasters were still using the same industrial roasting technology. The result was high-quality, high-acid coffee. The Fourth Wave restores the roasting chemistry. Low acid coffee — produced through traditional slow-roasting methods at commercial scale — is the return of coffee to its original form: the way it was always roasted before industrialization stripped it of its gentleness and antioxidant power.
The Fourth Wave is not about single origins or tasting notes or brewing methods. It's about chemistry. It's about recognizing that the industrialization of coffee roasting in the 19th and 20th centuries created a product that millions of people cannot comfortably drink — and that the solution has been available all along. Traditional roasting, done at scale, with peer-reviewed science backing it, creates coffee that is simultaneously better for you and better tasting.
🌿 The Chemistry: Conventional roasting stops at the first stage, where chlorogenic acids have converted into acidic quinic and caffeic acid compounds — maximizing acidity and minimizing antioxidants. Puroast's patented process continues through a second stage, converting these acidic compounds into alkaline phenolic antioxidants — raising pH to 5.82 and dramatically increasing antioxidant activity simultaneously.
The rise of GLP-1 medications — Ozempic, Wegovy, Mounjaro, Zepbound — has dramatically accelerated demand for low acid coffee. GLP-1 drugs slow gastric emptying and increase acid sensitivity across the entire digestive system. Millions of Americans on GLP-1 medications who previously tolerated standard coffee now find it causes significant discomfort. The only coffee that works for this growing population is a genuinely low acid option — verified at pH 5.8 or above.
This has created an entirely new category of Puroast customers: health-conscious, medically supervised individuals who need to manage their diet carefully and cannot afford to guess about acid content. For this group, the LACCSA certification is not a nice-to-have — it's a requirement. Independent verification at pH 5.82 means they can trust their morning cup the way they trust their medication.
Puroast — pH 5.82, 5X Less Acid, 5X More Antioxidants
Ugandan Single Origin Most Select Bean · 2.5 LB Shop Now → |
House Blend Pods 24ct K-Cup Compatible Shop Now → |
House Blend Decaf 2.5 LB · Ground or Whole Bean Shop Now → |
Millions of Americans experience acid reflux and stomach discomfort from standard coffee. As awareness of coffee's acidity grows — accelerated by the rise of GLP-1 medications and increased gut health consciousness — demand for verified low acid options has exploded. The NC A&T 2024 study exposed widespread mislabeling in the low acid coffee market, driving consumers toward brands with genuine independent verification.
No. The NC A&T 2024 study found that 6 of 7 coffees labeled low acid on Amazon were actually high acid. Genuine low acid coffee requires independent pH verification above the LACCSA threshold of pH 5.5. Only Puroast has that confirmation — from both UC Davis (2009) and NC A&T (2024).
Through a patented slow-roast process — no steaming, no additives. The process converts quinic acids into phenolic antioxidants under specific roasting conditions, confirmed by UC Davis in peer-reviewed research published in 2009. The result is 5X less acid AND 5X more antioxidants than average commercial coffee.
Yes — it tastes better. Removing the harsh quinic acids brings forward the natural flavor of the bean. The result is smoother, richer, less bitter coffee that doesn't need milk and sugar to be drinkable. Most people who switch to Puroast reduce or eliminate cream and sugar from their daily cup.
Many Puroast customers with GERD and acid reflux report being able to enjoy coffee again after switching. However, Puroast does not provide medical advice — always consult your doctor about dietary choices related to a diagnosed condition.
Yes — Puroast is the recommended coffee for GLP-1 medication users. GLP-1 drugs slow gastric emptying and increase acid sensitivity, making standard coffee difficult to tolerate. Puroast at pH 5.82 is the only coffee with independently verified acid reduction sufficient to be well-tolerated by most GLP-1 users. Always consult your prescribing physician about dietary choices while on GLP-1 medications.
The Only Verified Low Acid Coffee
pH 5.82 · 5X Less Acid · 5X More Antioxidants · Patented Slow-Roast · LACCSA Certified
Shop Puroast Low Acid Coffee →Sources: Shibamoto et al. (2009) — JAFC | NC A&T 2024 Low Acid Coffee Study | LACCSA.org | Moon, Yoo & Shibamoto — JAFC 2009
Puroast does not provide medical advice. Always consult a qualified health professional before making changes to your diet.
