Nourish Your Gut Microbiome. Supports Digestive System & Helps Nourish Healthy Gut Bacteria. Vegan Gluten-Free GMO-Free Dairy Free. Made in the USA. Vitamin Bounty’s Prebiotic is a potent blend of nutrients that supports your gut flora by nourishing the good bacteria located in your digestive system. Our prebiotic is the perfect companion for all probiotics, including Vitamin Bounty’s line of probiotics. Prebiotics help nourish the good bacteria that live in your digestive system. Vitamin Bounty Prebiotic with PreforPro is the best way to specifically target good bacteria & give them the food they need to grow and nourish your gut. Highly effective in helping grow your healthy gut bacteria alone, Vitamin Bounty Prebiotic is a great addition to any probiotic regimen. What it does. Helps with gut annoyances. Immune system boost. Supports healthy digestion. Helps with gut annoyances. Prebiotics help nourish the good bacteria that live in your digestive system. Immune system boost. Prebiotics are effective alone, but work best when taken with your probiotic, to boost performance- for both men and women! What’s in it. – Probiotic Colonies. Our blend of probiotic blend contains 13 different strains of probiotic bacteria and 100 billion colony forming units. The strains include: L. acidophilus, B. lactis, L. brevis, L. casei, L. plantarum, L. rhamnosus, L. salivarius, L. paracasei, L. bulgarcus, B. bifidum, B. brevis, B. longum, and S. boulardii, all to support your digestive and immune health. – Vitamin C and Zinc. Vitamin C and zinc are the go-to when it comes to supporting your immune health. Pro-100 comes packed with 100% of the daily recommended values for zinc and vitamin C to help keep your mineral levels balanced.