Nuts, poultry and dairy products contain B12.
Most vitamins and minerals exact values are picked up during venous blood sampling.
Yes, vitamin B12 is naturally present in all kinds of meat, dairy and poultry foods.
Yes, it shows up in a blood test. Get a vitamin profile done to know your exact values.
Vitamin B12 is naturally present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products. In addition, fortified breakfast cereals and fortified nutritional meals.