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Vitamin B12 is present in many dietary sources, such as: meat fish eggs dairy products nutritional yeast some fortified foods Vitamin B12 shots are a form of supplementation that contains a synthetic version of vitamin B12, or cyanocobalamin
Signs to watch for align with the general peptide storage guide across the peptide class
Anecdotal evidence from athletic and biohacking communities provides supplementary support
Low B12 levels can contribute to fatigue, weakness, anemia, and neurological symptoms
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