can b12 injections increase ferritin levels injection could it be the culp What You Need to Know

A typical B12 shot contains 1000mcg of B12, which is absorbed at nearly 100% efficiency since it is delivered directly into the bloodstream

A: Injections deliver B12 directly into the muscle for maximum absorption, bypassing the digestive system where much of the vitamin may be lost

Because only a small share of patients with high B12 are found to have cancer, the value does not function as a standalone screening test

Oral B12 is most effective for people who: Follow a diet that includes plants Experience mild symptoms Need daily support to stay healthy Like taking supplements at home Do not have absorption problems The American Academy of Family Physicians explains that taking B12 works well to treat mild issues and for general supplementation, provided there are no absorption problems