Hi All, I'm still having problems with Jarrow methylfolate, my sleep, nasal congestion and acid reflux has worsened. I've now had to drastically reduce the dose as I seem very sensitive to it. Would folinic acid as recommend by Rich be gentler to start of with? Any help would be very appreciated. Note take Jarrow mb12, 250mcg morning and afternoon. Multivitamin once a week.