Pure® Encapsulations Vitamin B12 is composed of methylcobalamin and vitamin B12 in its active form obtained by fermentation of corn dextrose. Vitamin B12 capsules aid in the normal formation of red blood cells, contribute to normal homocysteine metabolism, and help maintain normal cognitive function and reduce tiredness and fatigue. Directions: - People who do not meet their daily nutritional requirements of vitamin B12. - People who experience tiredness and fatigue. - People who want to support cognitive function. How to use: 1 capsule daily with a meal. Caution: If you are pregnant or breastfeeding, consult your healthcare professional before taking this supplement. Conservation: Store in a cool, dry place.