Sodium Citrate

Sodium citrate is the sodium salt of citric acid, a versatile compound used in food as a buffering/emulsifying agent, in medicine to neutralize acid (alkalinizer) for conditions like kidney stones or acidosis, and as an anticoagulant to prevent blood clotting by binding calcium. It's a white crystalline powder with a mild, salty, tart taste, available in food-grade and pharmaceutical forms, and is generally Recognized As Safe (GRAS).