Its naturally found in animal-based foods like meat, poultry, fish, eggs, and dairy and its added to some fortified cereals, plant-based milks, and nutritional yeast [*]
This represents the most common starting point in practical protocols and aligns with the midpoint of clinical dosing ranges adjusted for average body composition
If you have it or dont know what it is, you should have yourself checked as soon as possible
Impaired balance and coordination, trouble walking
Kruis, T., Batra, A
For example, athletes with high metabolic demands, vegans who consume no dietary B12, or individuals with chronic malabsorption issues like Crohns disease may find they feel their best with a bi-weekly (every two weeks) injection