Recognizing B12 Deficiency Symptoms Signs of Vitamin B12 shortage include fatigue, weakness, pale skin, and shortness of breath
Vitamin B12 deficiency symptoms Weakness, tiredness, or lightheadedness Heart palpitations and shortness of breath Pale skin A painful, smooth, inflamed tongue (glossitis) Digestive issues Bluish or gray-brown nails Loss of appetite What happens if your vitamin B12 deficiency is left untreated
[13] [15] There is a risk of oxalate nephropathy or kidney stone formation, particularly in patients with pre-existing renal impairment or those receiving prolonged high-dose therapy
Oral supplements, on the other hand, are taken as tablets or liquids and must pass through the stomach and intestines, where absorption can be slower and weaker, especially for patients with digestive problems