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People with low B12 levels often report irritability, poor concentration, or low mood, all of which can make weight management harder

Pernicious anemia is estimated to affect 151 in 100,000 people in the United States

Indeed, even topping up with B12 tablets or capsules is not the most efficient way, with much of the nutritional benefits being lost as they pass through the stomach and digestive tract

Some of the symptoms that are commonly associated with a deficiency are: Persistent pain, sensation of pins and needles, numbness Mouth ulcers, glossitis, sore tongue or burning mouth Mood and behaviour for example low mood and poor concentration Fatigue As you can see some of the symptoms here are very common to many issues