In some cases, these reactions are linked to cobalt, the central metal ion in the Vitamin B12 molecule
The body requires three key nutrients for the effective formation of red blood cells (a process known as erythropoiesis): folate, vitamin B12, and iron (1)
Neurological symptoms such as numbness or tingling in the hands and feet, balance issues, and memory problems may also occur
In our experience, many of those healthy individuals do find benefit to the injections and repeat them again in the future
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
Proper B12 levels can help prevent long-term health problems like nerve damage and anaemia
