Heartburn Controversy: The Link to Stomach Acid Deficiency - Can Treating It Cure All Ills? Stomach acid is an essential component of the digestive system that helps break down food and absorb nutrients. When there is a deficiency in stomach acid, also known as hypochlorhydria, it can lead to a range of digestive problems and nutrient deficiencies. In this article, we will discuss the symptoms and potential causes of stomach acid deficiency, as well as natural and medical treatments. Symptoms of Stomach Acid Deficiency The symptoms of stomach acid deficiency can vary widely depending on the individual and the severity of the condition. Some of the most common symptoms include: Heartburn and indigestion:  This is one of the most common symptoms of stomach acid deficiency. Individuals with low stomach acid may experience heartburn and indigestion, especially after eating a meal. Bloating and gas:  When there is not enough stomach acid, food may not be properly broken down and can ferme