Begin with half the suggested amount, and gradually increase to the suggested daily amount. Amounts can be split between AM and PM. eg. For under 25 LBS dogs, you can start with 1 chew every other day

Dog Multivitamin with Probiotics – Dog Vitamins and Supplements – Multivitamin for Dogs with Glucosamine, Omega 3 and Probiotics for Dogs Digestive Health, Immunity, Joint, Hip, Skin and Coat