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Endocrinology, 142(12), 51825189
Symptoms of a vitamin B12 deficiency include fatigue, lacking energy, loss of appetite, headache, mouth ulcers, changes in vision, feelings of depression, and hindered mental capabilities
Both cyanocobalamin and hydroxocobalamin are Vitamin B12 types used in shots
Symptoms like persistent tiredness, irritability, or nausea might indicate a deficiency, which is common in individuals with low dairy or meat intake
Freeze-thaw sensitivity is lower than for a peptide, since there is no secondary structure to lose, but aliquoting still avoids repeated stopper punctures and concentration drift from evaporation
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