Food Weight Gain For My Dog. Dog Food Advisor › Forums › Diet and Health › Food Weight Gain For My Dog. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts September 18, 2019 at 9:35 am #146516 Report Abuse Stormy JMember Hello, I just got a chocolate Lab. He is a rescue dog he is a year-and-a-half old. What food an treats work best for weight gain? September 18, 2019 at 10:04 am #146521 Report Abuse anonymousMember You don’t want rapid weight gain. You may find this site helpful http://skeptvet.com/Blog/category/nutrition/ Fromm is a good food (imo) Explore the different formulas. https://www.gofromm.com/fromm-family-classic-adult-dog-food September 22, 2019 at 10:14 am #146800 Report Abuse pugmomsandyModerator Puppy food generally has more fat content and calories. You can also add some oil to his meals (salmon, other fish oils, coconut). Oils are high in calories. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic.