Signs and symptoms: Many common symptoms can be caused by vitamin B12 deficiency, including weakness, tiredness, lightheadedness, heart palpitations, shortness of breath, pallor (pale skin), diarrhea, decreased appetite, nerve problems like numbness or tingling, visual changes and psycho-emotional problems like depression, memory loss or behavioral changes
Vitamin B12 is crucial in various bodily functions, particularly energy production and metabolic processes
Tingling in Hands & Feet indicates that your nerves may not function properly
So, injections are a more direct way to make sure your body gets the B12 it needs, while tablets might not work as efficiently because they have to go through your stomach and intestines first
Still: Very high doses may cause acne-like reactions in some people People with kidney conditions should be cautious Injections should be supervised by a healthcare professional Fatigue with neurological symptoms should not be self-managed This content is educational only