Is dexron 111 synthetic

Dexron III is not fully synthetic; it is a type of automatic Transmission Fluid (ATF) that is primarily a mineral oil-based product, although it may contain some synthetic additives to enhance performance. The Dexron series, including Dexron III, was developed by General Motors for use in their vehicles. While there are synthetic alternatives available that meet or exceed Dexron III specifications, the original formulation is not considered synthetic.