NextFoods, Boulder, CO, has introduced GoodBelly BigShot 50, which contains 50 billion live and active cultures of Lactobacillus Plantarum 299v (Lp299v). Designed to protect the immune system and maintain digestive health, one 2.7-oz. single serving shot can be taken during digestive flare-ups, pre and post antibiotic treatment or during periods of feeling particularly run down, according to the company.