Now 1st of all there is NEVER such a thing as a dumb question!! Thats what the forum is for...to learn and find support....OK..LOL Now then... I would say for most people best time of day to check your ketostix is 1st thing in the morning or in the evening. I have never heard of zenadrine so cant help U there however it has to be a better choice than a donut and soda..lol