can b12 injections make you tired How Fast Does a Vitamin Shot Work? Vitamin B12 Injections: What You

Any disruption along this pathway can lead to deficiency regardless of dietary intake, which is why some patients need supplementation even when they eat B12-rich foods

Vitamin B12 injections versus oral supplementation A randomized controlled trial was conducted with 50 RYGB patients with postoperative vitamin B12 deficiencies

These may warrant urgent referral to neurology or haematology services

However, doctors may recommend taking B12 supplements after the age of 50 years as your ability to absorb B12 decreases with age

Whichever method or injection site you decide on, you should keep your hands and supplies sanitized