how often to inject vitamin b12 Injections: Who Should Get Them and Long Do They Last? How Often Should You Have

It takes time to go away

Initially, injections are given daily or every other day for a week, then weekly for 12 months, followed by monthly maintenance

For humans, these injections are typically given by a healthcare professional directly into a muscle

Among the 77 infants tested at 6 weeks of age, the median blood vitamin B 12 level was 199 pmol/L (270 ng/L) in the supplemented group and 139 pmol/L (188 ng/L) in the placebo group.[23] Sixty-eight pregnant women in Bangladesh received 250 mcg oral vitamin B 12 capsules or placebo once daily beginning during their first trimester of pregnancy and continuing until 3 months postpartum