side effects from b12 injections injection : r/B12_Deficiency B12 Injection: Uses, How to

Thrombus Assessment Following sacrifice, the superior sagittal sinus and peripherally the portal vein, external jugular vein, inferior caval vein, superior mesenteric vein, hepatic vein, superior mesenteric artery, hepatic artery, and abdominal aorta were removed from the rats, and the clots were weighed (Vukojevic et al., 2018

Do not use folic acid instead of vitamin B12

After an initial loading phase of six injections over two weeks (or more frequently if neurological symptoms are present), maintenance injections are given every two to three months for life to prevent deficiency recurrence

Promotes Cellular Reproduction: Essential for growth, cell replication, hematopoiesis, and protein synthesis