intramuscular vitamin b12 injections B-12 (Methylcobalamin) Therapy Vitamin B12 IM Injectable at

Experimental designs vary between laboratories

A clinical series published in the Journal of Clinical Medicine found that patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) who received intermittent intravenous saline infusions over a 9-week period showed beneficial effects in managing symptoms of dysautonomia and postural orthostatic tachycardia syndrome (POTS)

Post-Surgery Patients People whove had gastric bypass or small intestine surgery may require B12 shots because their bodies can no longer absorb the vitamin effectively through food or oral supplements

As B12 helps make red blood cells, a lack of vitamin B12 can cause anemia

The net effect on cortisol varies by individual