It is not like a drug overdose that would down you all of a sudden, more to do with it affecting certain organs over time, same with most Vit and other systems (adrenaline++, highblood pressure ++) in your body running too high or too low for too long. I hear what you are saying though, low dose should be fine for everyone unless a specific person has a reason to not take it, such as, they run high already. heh. Again, mine had tanked out years ago so they put me on the super high once a week dose for a couple weeks and I have been taking a higher dose since then, I do not go into the dr often but, last checked in the summer and my levels were doing good still.