July 28th , 2012 - LINK to Archive. Bill Sardi talked about the wonder that is reservatrol and how many brands are using too little or too much. I talked about my favorite, Longevinex. It has the right kind, in the right dose and with the other ingredients to make it function in amazing ways. If you are a customer of RealFoodGrocery.com, you might also check with them about it.