What Happens When You Mix White Vinegar and Baking Soda?

White vinegar and baking soda are commonly found in household pantries, but their combination is not recommended for medical or therapeutic use. When mixed, acetic acid (the active component of white vinegar) reacts with sodium bicarbonate (baking soda) to produce carbon dioxide gas, water, and sodium acetate. This vigorous fizzing reaction neutralizes both compounds—effectively eliminating their individual chemical properties.

Despite widespread online claims, there is no credible scientific evidence supporting health benefits from ingesting or applying this mixture. In fact, oral consumption poses tangible risks: the rapid release of carbon dioxide in the stomach may cause bloating, gastric distension, or even esophageal injury; systemic alkalosis is possible with excessive baking soda intake, particularly in individuals with kidney disease or hypertension. Topical use can disrupt skin pH, leading to irritation or chemical burns, especially on sensitive or compromised skin.

Neither ingredient has been approved by regulatory agencies—including the U.S. Food and Drug Administration (FDA) or the European Medicines Agency (EMA)—for internal or external therapeutic applications when combined. While white vinegar has limited evidence supporting its use as a topical antiseptic in specific wound-care contexts (under clinical supervision), and baking soda is occasionally used orally for short-term relief of occasional heartburn (as an antacid), these uses involve controlled, isolated administration—not concurrent mixing.

Healthcare professionals consistently advise against using this combination for self-treatment of conditions such as acid reflux, fungal infections, or detoxification. Evidence-based alternatives exist for each purported indication, and patients should consult licensed clinicians before initiating any home remedy with pharmacologic potential.