A proprietary blend of Vitamin B12 and Inulin. One tsp provides 1000 mcg of Cyanocobalamine.
The recommended daily dose is based on your dogs weight: up to 10kg - 1/8 tsp. 10 - 25 kg - 1/4 tsp. 25 -50 kg - 1/2 tsp. Over 50 kg - 1 tsp. Vitamin B12 is a powder and can be fed once a day with their meal. It has a very neutral flavour so they won't even know it is there!