monthly b12 therapy injections and IV Infusion Treatments to Boost Your Vitality Vitamin B12 Injections | Concierge

Apr 2022;38(4):339-344

& Johnson, G

This is why, at the beginning of the 20th century, when it was discovered that eating liver improved patients with pernicious anemia, they had to eat huge amounts to achieve a pharmacological effect. In these cases, we find an approximate absorption of, with luck, between 1-2% of the dose administered, but it is not uncommon for it to be even lower (0.5%) depending on the size of the dose, previous reserves, and other factors and individual conditions of each subject

Some patients never experience visible bruising despite months or years of weekly injections, while others notice small bruises regularly