100% pure and natural Citric Acid powder. Citric acid is a sour-tasting, weak organic acid that is commonly found in fruits and used as a flavoring and preservative in food and drinks. It is also used in cleaning products, personal care items, and in pharmaceuticals. Citric acid can be obtained from natural sources or synthesized chemically and is a white crystalline powder that is soluble in water. It has numerous applications and is a versatile compound.