For discussions on the changes in the Jarrow Methyl-B12, this is the thread: jarrow- did it change???" This poll is a means to share responses from experience gathered from all of us, in order to help all of us. I hope this is a useful idea and a lot of people contribute to it. Please cast your votes for the brands you found effective and would recommend to others. If you want to vote for a brand which is not there in the options, please mention it in a post in this thread. Thanks.