Eat meat
Eat fish
Eat poultry
Eat eggs
Drink milk
Eat yogurt
Eat cheese
Eat fortified breakfast cereals
Eat fortified plant milks
Eat fortified nutritional yeast
Take vitamin B12 supplements
Use vitamin B12 injections if prescribed by a doctor
Eat meat
Eat fish
Eat poultry
Eat eggs
Drink milk
Eat yogurt
Eat cheese
Eat fortified breakfast cereals
Eat fortified plant milks
Eat fortified nutritional yeast
Take vitamin B12 supplements
Use vitamin B12 injections if prescribed by a doctor