Natures plus shot o b12 5000 mcg lozenges natural wild berry flavour gluten free high potency supplement 5 000 mcg per serving natural wild berry flavor bursting with an irresistible succulent wild berry flavor nature39s plus shot o b12 are designed to deliver pure natural energy to the body each serving of shot o b12 delivers 5 000 mcg of vitamin b 12 the highest available potency of the ultimate energy nutrient