What is it?
Zinc citrate, or zinc salt of citric acid, is a natural ingredient. Citric acid itself is a naturally occurring alpha/beta hydroxy acid (AHA/BHA) and is used in various products to adjust pH levels and as a chelating agent. Sodium Citrate is the sodium salt of citric acid.
Where does it come from?
Zinc citrate is derived from citric acid, which is found in citrus fruits such as lemons and limes.