how many units of b12 should i inject weekly Vitamin Injection Dose for Adults: 7 Dosage Facts B12 Lipotropic Injections Vitamin B12 Recommendations: Updated -

Turn solution container upside down and slowly insert clean needle into the surface of container

Nackapan, If I understand correctly, you're saying that because a return of symptoms is experienced in a fairly short span of time without injections, this proves that someone with PA cannot utilize their stores of B12

But yes, a needle is involved

Often used to improve nerve regeneration and reduce symptoms like tingling, numbness, and pain in patients with nerve damage

A prolonged deficiency leads, in the worst case, to lethal anemia, irreparable nerve damage, severe paralysis, chronic pain, severe mental and psychological symptoms and a complete lack of energy

"Optic neuropathy as a presenting feature of vitamin B-12 deficiency: A systematic review of literature and a case report"