One of the reasons apple cider vinegar (or lemon juice) will work for reflux is because it has acid which the stomach needs to digest food. Most of the time, it's not too much acid that causes reflux, it's too little.
No-Added-Sulfites Wine. Sulfites in wine are chemicals used as preservatives to prevent browning and discoloration in foods and drinks. For wine making, sulfites, also known as sulphites, have been used for centuries. Sulfites within the range of six and 6,000 ppm can be found in everyday foods: canned tuna, pizza dough, jams, gelatin, trail mix, cheese, deli meat and even prescription pills.
Understand Sulfite and Its Important Role in Wine Making. Sulphur dioxide, often called sulfite or SO2, has been used in winemaking for over 2000 years. It is used in modern winemaking mainly for its ability to prevent fermentation of unwanted wild yeasts, bacterial action, and its anti-oxidant properties.