Plz, I have ?'s and need some answers!!!!!!

I am having my surgery in 8 days in Memphis with Dr. Woodman being the surgeon. Anyone please tell me what kind of vitamins, folate, B12 and calcium you find to be the best, easyest and reasonably priced you use. Any suggestions would be greatly appreciated. Time is passing fast and I need to get all my ducks in line. Thank you for your help!!!!

I use one a day low carb vitamins. horse pills but not all tha bad. I also get a b12 shot once a month from my pcp rather than take it by mouth daily.