Effects of Bicarbonate-Rich Mineral Water on Acid-Base Balance and Net Acid Excretion in Healthy Adults — Journal of Dietary Supplements / PMCRole of the Endocrine System in Renal Acid-Base Regulation and Chronic Kidney Disease Progression — International Journal of Molecular SciencesEvaluating Dietary Acid Load, Urine pH, and Biomarkers in Health, Aging, and Kidney Function — Kidney360 / PMCBody Fluid pH Regulation and Food Ingredients for Maintaining Homeostasis and Metabolic Function — Food Reviews InternationalBody Fluid pH Balance in Metabolic Health and Potential Therapeutic Benefits of Dietary Alkaline Foods — eFoodSystematic Evaluation of Arterial Versus Venous Blood Gas Analysis in Acid-Base Clinical Settings — CureusPhysiological Compensatory Mechanisms, Clinical Biomarkers, and Disorders of Acid-Base Homeostasis — StatPearls / NCBI BookshelfPhysiological Approach to Assessment and Quantitative Diagnostics of Clinical Acid–Base Disturbances — New England Journal of MedicineEffects of Bicarbonate-Rich Mineral Water on Acid-Base Balance and Net Acid Excretion in Healthy Adults — Journal of Dietary Supplements / PMCRole of the Endocrine System in Renal Acid-Base Regulation and Chronic Kidney Disease Progression — International Journal of Molecular SciencesEvaluating Dietary Acid Load, Urine pH, and Biomarkers in Health, Aging, and Kidney Function — Kidney360 / PMCBody Fluid pH Regulation and Food Ingredients for Maintaining Homeostasis and Metabolic Function — Food Reviews InternationalBody Fluid pH Balance in Metabolic Health and Potential Therapeutic Benefits of Dietary Alkaline Foods — eFoodSystematic Evaluation of Arterial Versus Venous Blood Gas Analysis in Acid-Base Clinical Settings — CureusPhysiological Compensatory Mechanisms, Clinical Biomarkers, and Disorders of Acid-Base Homeostasis — StatPearls / NCBI BookshelfPhysiological Approach to Assessment and Quantitative Diagnostics of Clinical Acid–Base Disturbances — New England Journal of Medicine
Clinical pH Reference
pH Atlas
A community-friendly map of pH across the human body — one spectrum, plain-language explanations, and an interactive checker for a measured reading.
Arterial norm:
7.35–7.45
pH Checker
Enter a measured pH for any body site to see where it falls and what it might mean.
02468101214
← AcidicNeutral (7.0)Alkaline →
Pick a site and enter a reading — the rail will show its reference band and where the value lands.