6 months, felt great initially but after 6 months felt sickly. I ate really well, no bread or other filler. Very low amounts processed foods (if any). Took a su

6 months, felt great initially but after 6 months felt sickly. I ate really well, no bread or other filler. Very low amounts processed foods (if any). Took a supplement for B12 but after a while felt weak. From time to time I will still go vegan for a few weeks but not extended periods.