Home › Forums › Beverage Forum › The Beverage Forum › Death By Diet Soda? › Re: Death By Diet Soda? June 6, 2015 at 5:24 pm #2843205 stricken_detectiveMember Thanks Glenn! I don't have PKU, I think it has something to do with the way the kidneys metabolize sugar & fake sugar, IIRC. My kidneys are working hard enough already.