If It went down to 119 it should be fine. However, it could be a bad absorption spot or your body is going through something, I'd change it just to see what happens. if it keeps happening I'd assume its your body being rebellious.
Hopefully he's changed his site by now. (It being 5 years and all...lol)
LOL!!! WOW! I Did not pay attention to the date of this post at all! Well, if anyone is going through this problem I hope my comment helped a little. LOL! :-D
Oh I think it's a great thread that is definitely helpful for us all....I just couldn't resist the comment!