Pyridoxine at high or prolonged doses can cause sensory neuropathy
Some conditions, like pernicious anemia, make it hard for your body to absorb B12
This documentation prevents confusion when you return to the vial for subsequent doses and helps track any inconsistencies in response that might indicate degradation or error
Vitamin B12 is found exclusively in animal foods or foods fortified with this vitamin, such as: Meat and chicken: especially organ meat and red meat like beef Fish and seafood: especially clams, sardines, tuna, trout, and salmon Dairy: including milk, cheese, and yogurt Eggs: especially egg yolk Fortified foods: breakfast cereal, nutritional yeast, as well as some mock meats or plant milks Supplements, which are widely available in stores and online, are another way to meet your daily requirements