If you read anything on the subject of "Vitamins" you are reading medical papers created by those who back in the 1920's figured they could sell humans trash if they called their waste products "VITAMINS"…..
Often what ever medical writes, it will be fabricated and when lied over the years, they even start believing their lies----a wise person never waste his time on the books, websites that even begin to mention the idea that people consume vitamins and B-12 is one of the perfect examples of such trash according to one of my teachers and what I read about how 2 doctors lied, fabricated the vitamin industry and was awarded big $$$$ for the new product back before everyone today was born…..
So on the subject of Vitamins, this forum has zero use for it, please take all vitamin comments and questions to forums, authors, websites, books that promote such things..
Otherwise on the subject of B-12
My grandmother was a cook for a hospital most of her adult life and must of had medical, because she enjoyed seeing her doctors regularly and in her last few years, 1 of her doctors gave her a monthly B-12 shot and after 12 shots he would not give her anymore, even though she was "addicted" and begged for more B-12…seems the M.D. told her it was too toxic of a drug and he was forbidden to allow her to have anymore after just 1 shots of a "VITAMIN"…..
Noteworthy is the last time she went to the doctor, she always wanted to make use of all her government/medical and demanded he put her in the old folks home because she knew it was paid for X amount of days and then she would return home after being fed and medicated for her free stay---PROBLEM WAS THEIR DRUGS DOPED HER FOR THE LAST TIME AND SHE TOLD ME A FEW DAYS BEFORE SHE DIED THAT GOING TO SEE THE DOCTOR WAS THE WORSE DECISION SHE HAD EVER MADE, BECAUSE SHE KNEW THEY DID HER IN…..
When you are elderly you have a target on your back and in current times, much of medical sees your suffering should be ended early in life…so going medical anytime can turn out bad……….so many people never do it, but millions do…
To me, taking a vitamin is asking for premature death, so the subject is not something wise to post on this forum.