Symptoms include: Fatigue and Lethargy Depression Irritability Headaches Difficulty with balance Decreased Cognitive Function Constipation Sore or Swollen Tongue Palpitations Mouth Ulcers Pins and Needles Changes to vision People With Gastrointestinal Issues If youre suffering from any gastrointestinal disorders, you may be at a higher risk of Vitamin B12 deficiency
Some individuals may struggle to absorb enough B12 from their diet, especially those with conditions like pernicious anemia, certain gastrointestinal disorders, or those taking medications that impact absorption
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Rising hunger, waist growth, weight gain above about 2 lb per month, persistent heart-rate elevation, or declining strength indicate that the lower dose is not maintaining the prior response