NaturesPlus Immune Microbiome is a premium, science-backed supplement that provides solid nutritional support for the immune system and related functions, including bone health. NaturesPlus Immune Microbiome includes a unique, scientifically studied strain of Lactobacillus plantarumDR7 that promotes superior amounts of these highly regarded friendly microbes. Its refrigeration-free packaging maintains 10 billion fully viable friendly microorganisms for unmatched convenience and activity. Vitamin D contributes to the normal functioning of the immune system. Vitamin D plays a role in the cell division process. Vitamin D contributes to the maintenance of bones in normal conditions.