b12 supplement vs injections versus oral supplements vitamin deficiency treatment injection The Advantages of Supplements: Shawn Veiseh, M.D.: Family Medicine vitamin b12 injection dose once – Vitamin B12 Injection: Benefits, Uses – Low Vitamin B12? Diet vs.

A lack of vitamin B12 can often lead to fatigue and weakness due to megaloblastic anemia a blood disorder that causes unusually large red blood cells (megaloblasts) and a lower red blood cell count, which results in a lower supply of oxygen to the body

Intramuscular Vitamin B-12 Injections Also called shots, intramuscular vitamin B12 injections are a common and effective way to treat a deficiency

Table of Contents: Can B12 shots interact with any medications

There are several causes of vitamin B12 deficiency, including poor dietary intake, malabsorption, and pernicious anemia

Theres no scientific evidence to suggest that higher-than-normal B12 levels will boost your energy or speed up your metabolism

How to Switch from Pills to Injections If you have been taking oral supplements but still feel tired, foggy, or "off," it may be worth reevaluating, ideally starting with a test rather than a guess