Source Naturals Wellness Transfer Factor 125mg, 60 Capsules Package Quantity:1 Dietary Supplement. Supports immune system response. 12.5 mg. Wellness Transfer Factor is a technologically advanced approach to immune system integrity. Wellness Transfer Factor is a highly purified constituent of bovine colostrum. Features: Technologically advanced approach to immune system integrity Highly purified constituent of bovine colostrum Transfer factors are chemical messengers that enhance immune system response This ability to respond can be transferred from one organism to another This ability to respond can be transferred from one species to another Product Details: Product Dimensions: 2 x 2 x 4 inches ; 6.4 ounces Shipping Weight: 1.6 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 210780181626 021078018162 Item model number: SN1816