can you inject to much b12 Shots at Home: How, Where & How Often Yourself Best Vitamin B12 Injection Sites:

In a 26-week rat oral toxicity study, AOD-9604 produced dose-dependent changes in serum osteocalcin (a bone-turnover marker) at week 13, with the direction reversing by week 26

Despite those scary possibilities, Hemphill-Bryant has reassuring info: Most people get all of the B12 they need from their diets

To ensure a daily intake of 6 to 30 g of vitamin B 12 in a form that is easily absorbed (i.e., from non-food sources), the Linus Pauling Institute recommends that women who are planning a pregnancy take a daily multivitamin supplement or eat a breakfast cereal fortified with vitamin B 12 (for more information, see the article on Vitamin B 12 )

It showed that different ways of giving vitamin B12, like shots, pills, or under the tongue, work well

The standard NHS regimen for treating deficiency involves loading doses followed by maintenance therapy, with frequency determined by the underlying cause and severity of deficiency