The following product review appears on Fitegg.com , a triathlon gear review site. They have reviews on running shoes, road bikes, and swim equipment and many others as well.
FitEgg says, "EnduroPacks has created a mixture of products specifically designed to help you meet the demands of serious training. The component parts have been researched and formulated to ensure they work together. Even more helpful to many of us... your monthly supply is delivered directly to you... so if you’re one of the people that frequently forgets to take your vitamins or forgets to buy more when you run out, this could simplify your life."