Purina Pro Plan SIMPLY FIT Patented Weight Loss System Adult Dry Dog Food - 21.25 lb. Bag

Purina Pro Plan SIMPLY FIT Patented Weight Loss System Adult Dry Dog Food - 21.25 lb. BagHelp your dog approach weight loss in a new way with the Purina Pro Plan SIMPLY FIT system of adult dry dog food. This system is 2X more efficient than traditional weight loss methods. The efficiency of weight loss is calculated as total kcal consumed during feeding period divided by percent weight loss. Purina Pro Plan SIMPLY FIT works by changing your dog's calorie intake, not his portion size, using an approach based on Intermittent Calorie Restriction (ICR). This system uses two foods; one with a base calorie amount (Metabolic Maintenance) and one with 25% fewer calories (Fat Burn) per serving. Fed on an alternating weekly schedule, these foods promote active metabolism, helping dogs lose body fat while maintaining muscle mass. Your dog gets the same amount of delicious food during each stage of weight loss, offering a guilt-free way to help him lose weight.