Advantages: Fast absorption Reliable delivery Suitable for deficiency treatment Possible discomfort: Mild soreness afterwards Slight muscle ache Subcutaneous (SC) Injection This method injects Vitamin B12 into the fatty tissue beneath the skin
Freeze/thaw cycles degrade peptides, so aliquot the reconstituted solution if you plan to run assays over several weeks
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However, when liver damage progresses to non-alcoholic steatohepatitis (NASH) or cirrhosis, injured liver cells may release stored B12 into the bloodstream, causing elevated serum levels
Pregnant women: 2.6 micrograms (mcg) per day Breastfeeding women: 2.8 mcg per day Nonpregnant women: 2.4 mcg per day Best foods with vitamin B12 during pregnancy Vitamin B12 is only naturally found in animal products, like fish, meat, poultry, eggs, and dairy