Novifit Tablets by Virbac Animal Health: Help support Cognitive function of aging dogs and cats. Novifit is a pure and stable form of SAMe (NoviSAMe) presented in an enteric-coated tablet. There are no known side effects or drug interactions associated with its use. It is packaged in quantities of 30 tablets and prescribed by weight for small dogs and cats (Novifit S – 0 lbs.-22 lbs.), medium dogs (Novifit M – 22 lbs.-44 lbs.) and large dogs (Novifit L – 44 lbs.-88 lbs.).