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How we reviewed this article: Current Version October 03, 2025 Written By John DiBella Fact-checked By Dr
Standard medical dosing for confirmed deficiency typically involves an initial loading phase followed by maintenance
This conversion is an important step in the extraction of energy from proteins and fats
Yes, everybody experiences a surge in energy after receiving B12 shots
Image: Michail_Petrov-96/Thinkstock Vitamin B12 may not be high on your nutritional radar, yet it is essential to some of the body's most important functions, like forming red blood cells and maintaining nerve function
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