If you have vitamin B12 deficiency from pernicious anemia or as a result of bariatric surgery, then you must supplement with vitamin B12 regularly in order to prevent debilitating symptoms such as fatigue, depression, muscle pain, memory loss, and other signs of cognitive and neurological breakdown
Unlike oral supplements, Vitamin B12 injections deliver this vital nutrient directly into your muscle, allowing your body to absorb it quickly and fully
Different mechanisms, different side-effect profiles
Most people start to see some changes in weight after the first month
Improved Energy: Vitamin B12 can improve or boost energy levels
includes warnings that parenteral thiamine may cause anaphylaxis and that the benzyl alcohol preservative is contraindicated in neonates due to risk of serious reactions)