This product is special produced for marmosets and other new world primates and is very beneficial for bone wasting syndrome, This comes in a liquid form with a glass dropper 100 ml bottle it is odourless and tasteless and is highly concentrated. It is put onto there food such as there fruit 1 drop twice a week for adults and 1 drop every other day for small or juvenile monkeys. To be given on a regular basis dureing the winter months when there is shorter day light hours and sunshine.