SBImuneSBImune SBImune by Boro Labs is a cutting edge supplement designed to support and strengthen gut health, which plays a crucial role in overall immune function. The discovery that the gut barrier is integral to immune health has led to the development of SBImune, which features SBI Protect, the only purified, dairy free source of immunoglobulin G (IgG) available as a dietary supplement. Pure IgG helps maintain a healthy intestinal immune system by