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Low energy Tingling sensation or numbness in hands or feet A swollen, red cracked tongue Mood changes Trouble concentrating and remembering things Megaloblastic anemia People at risk for Vitamin B12 Deficiency: People with a deficiency of intrinsic factor
In contrast, oral vitamin B12 supplements need to pass through your stomach acid and digestive system, and their absorption can be less reliable, especially if there are absorption issues
A vitamin B12 injection is a shot of concentrated B12 that is administered directly into the muscle
This therapy is particularly effective for treating adolescent behavioral problems, substance use disorders, and mental health disorders like depression
