Vitamin T comes from three primary sources: termites, meal worms and sesame seeds. Those are the only sources which contain vitamin T in any significant amount. The first two we ruled out as sources. We use sesame seed instead. The "T" is in the oil. Using a molecular still, we concentrate the fraction containing the vitamin T and put it into perles. The product is quite expensive to make since so much of the oil is thrown away in the cold concentration process. What does it do? It's primary effect is to raise the blood platelet count. Our product Cataplex T has been reported to be effective in treating leukemia.*