Unlike conventionally formulated green coffee bean products, diet works green coffee bean extract has no added caffeine and includes svetol. Svetol is a patented form of green coffee extract and is the only form that was clinically validated in 8 research studies to improve metabolic activity. Svetol is the only green coffee extract with clinically proven bio-availability and absorption. In addition, only svetol is standardized to 50% total polyphenols, 45% chlorogenic acids, 10% 5-caffeoylquinic acid and less than 2% caffeine, whereas generic green coffee extracts are standardized from 2% to 50% chlorogenic acids or not standardized at all. Helps support fat loss, metabolism and improves lean mass ratio.