Life Extension Benfotiamine with Thiamine, 100mg - 120 vcapsBenfotiamine, a fat soluble form of vitamin B1 (thiamine), supports healthy blood sugar metabolism and helps protect the body's tissues against advanced glycation end products and oxidative stress. 1 For example, the enzyme transketolase is critical to blood sugar metabolism. Like many enzymes, transketolase requires a co factor. In this case, it needs assistance from thiamine. Unfortunately, thiamine is water soluble, which makes it less available to