Methylcobalamin (Methyl vit B12) - Is the most functional form of vitamin B12 because it’s already in the natural form used by your body - meaning your body does not need to convert it in order to use it. This offers a HUGE ADVANTAGE over other types of vitamin B12. Our VYTALINE Methyl cobalamin (Methyl vit B12) Vitamin B12 1000mcg supplement is suitable for vegetarians and vegans.