Injections deliver superior absorption by bypassing the digestive system, making them ideal for those with low B12 levels or anyone seeking a consistent wellness boost
Image: Michail_Petrov-96/Thinkstock Vitamin B12 may not be high on your nutritional radar, yet it is essential to some of the body's most important functions, like forming red blood cells and maintaining nerve function
They should be kept at room temperature, away from moisture, heat, and especially light, as light can make the vitamin unstable
Being a vegetarian or vegan : This group consumes less foods that are naturally high in vitamin B12, such as beef and poultry (and sometimes dairy and fish too), which means their intake of vitamin B12 is lower whether their absorption is adequate or not
You are generally healthy with no underlying digestive or absorption issues