How is fatigue linked to vitamin B-12 deficiency?  Well, the answer is pretty straightforward:

• The body requires vitamin B-12 in order to produce red blood cells.
• Red blood cells carry energy (oxygen) throughout the body.
• If the body lacks vitamin B-12 for whatever reason, it makes fewer red blood cells and the ones it does make are abnormal – they can’t transport energy nearly as efficiently. read more…

Not all of these symptoms need to be present for a diagnosis of vitamin B-12 deficiency - in fact, many people only have two or three.  If you suspect you have vitamin B-12 deficiency, ask your doctor for a blood and urine test - blood levels may not be accurate in all cases. read more...

Everyone experiences low energy days or muscle fatigue from time to time... but some people find themselves feeling tired and fatigued regularly without working hard physically or being under stress.  This tiredness is a primary symptom of vitamin B-12 deficiency, which is far more common than previously thought even amongst young adults.  Modern diets, stress levels and digestive issues have all combined to make B-12 deficiency (and thus fatigue) a real concern for the average person. read more...