According to a growing body of research, the main source of the health benefits is a substance in tea called epigallocatechin gallate (EGCG) which has been shown to create anti-carcinogenic, anti-oxidant, anti-angiogenic, anti-viral, and anti-diabetic activity. One study even found that the EGCG binds to a protein found on tumor cells and dramatically slows their growth*!

Some companies are trying to extract EGCG from tea and produce pills.
We think the best way to get your dose of EGCG is to just drink good loose leaf tea!

*Extracted from Tachibana, H. Nature Structural & Molecular Biology, April 2004; vol 11