Thanks adreno. I'll check for it at the local HFS, but it looks like something I might have to order online. I guess the 99mg would work in the meanwhile. I just figured that if people were taking around 1000mg a day, you would probably burn through the 99mg bottle pretty quickly! I'm also trying to focus on higher potassium foods (but those without the folate). I ate a sweet potato (~500mg potassium) as a snack today when I felt a little light-headed and it did seem to help. But I'm on my way to the HFS to get some actual pills, I probably won't always have a sweet potato handy!