It is added mainly to support energy and offset the fatigue that can come with eating much less
This gives you a clear baseline reading and ensures your treatment is genuinely tailored to your actual B12 levels rather than guesswork
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Vitamin B12 Side Effects & What They Mean July 23, 2022 Vitamin B12, also known as cobalamin, is an important water-soluble vitamin that plays a central role in several aspects of health, including brain function, red blood cell formation and DNA synthesis
They also benefit those with specific medical conditions, such as chronic fatigue or difficulty losing weight
In practice, that often means: Your provider may be comfortable starting a standard daily vitamin D supplement without ordering labs first if: You are generally healthy You are taking a modest daily dose in the typical range You do not have bone disease or other conditions that raise concern Your provider is more likely to want vitamin D blood work if: You have a history of osteoporosis or frequent fractures You have conditions that affect vitamin absorption You are on medicines that change vitamin D or calcium metabolism You are considering higher dose or long term vitamin D plans beyond typical daily intake Vitamin B12 Vitamin B12 is crucial for red blood cell formation, nerve health and DNA production