where can b12 be injected How to Give a Injection: Step-By-Step Instructions B12 Injections | Vitamin B12

ISBN 9780121818821

The usual dosage for initially treating vitamin B12 deficiency in older adults is 1000 micrograms, which can be given as a weekly intramuscular injection, or as a daily oral B12 supplement

This is consistent with the methyl folate trap hypothesis (54), which predicts that, in vitamin B-12 deficiency, the inhibition of DNA synthesis and cell proliferation is removed upon administration of high doses of folic acid because of increased availability of nonmethylated folate

This may present as difficulty in breathing , lightheadedness , a rapid drop in blood pressure , or a feeling of tightness in the chest