While dozens of potential biomarkers have been investigated across varied biological compartments, few have been validated in independent studies, making their relevance unclear
Each week's results build on the last
After your injection You can carry on with your day as usual
B12 is naturally found in animal products like meat, dairy, and eggs, making vegetarians and vegans more susceptible to deficiencies
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I wouldnt count on sources like seaweed, spirulina, or soil. I hear people that likely do need to supplement with B12 say that theyre OK because they eat foods that may include B12, but they can be unreliable sources, such as sea vegetables or nutritional yeast, says Ginger Hultin, MS, RDN, CSO, a lifelong vegetarian, chair of the VNDPG, and spokesperson for the Academy