b12 injection where is it given Treating Severe Vitamin Deficiency Where to Safely Inject B12:

Retrieved October 12, 2020

The simplest way is to focus on the three vitamin B12 forms and pathways through which the vitamin functions: Methylcobalamin works in the cell plasma Adenosylcobalamin functions in the mitochondria Hydroxocobalamin takes effect in the blood and cell plasma Methylcobalamin and adenosylcobalamin are known as the bioactive coenzymes of vitamin B12: only in these chemical forms can the vitamin be directly utilised in the body

But "well tolerated" here borrows heavily from the broader copper-peptide class and from cosmetic use, because AHK-Cu has very little dedicated safety data of its own

Frequency and Dosage Vitamin B12 injection frequency depends on the cause of deficiency: Always consult a healthcare provider before modifying dosage, especially in cases involving vitamin B12 for kids