Regarding the form of vitamin B12 used, cyanocobalamin was the most common (n = 14), followed by methylcobalamin (n = 6), hydroxocobalamin (n = 4), and combinations including adenosylcobalamin in isolated cases
Mild, short-lived reactions can include soreness at the injection site, a brief flushing sensation, or, very rarely, mild nausea
Risk of Overdose (Rare) While Vitamin B12 is water-soluble and excess amounts are usually excreted through urine, theres still a small risk of overdose if administered too frequently
This makes sure the B12 dose is right and safe
The National Institute of Health (NIH) shares that the recommended dietary allowance (RDA) for vitamin B12 is: Infants 06 months: 0.4 microgram Infants 712 months: 0.5 microgram Toddlers 13 years: 0.9 microgram Children 48 years: 1.2 micrograms Children 913 years: 1.8 micrograms Adult men and women over age 14: 2.4 micrograms Women who are pregnant: 2.6 micrograms Women who are breastfeeding: 2.8micrograms For adults over 50 years old, the NIH recommends taking a daily vitamin B12 supplement or consuming foods fortified with vitamin B12
However, clinical realities are rarely perfectly uniform