Immune health. 500 mg per capsule. 40% immunoglobulins. Nutritional supplement. Supports the Immune System. Supports digestive system health. 40% immunoglobulin content. Scientifically proven quality since 1969. For Super Powerful Immune System Support nothing beats Swanson High Immunoglobulin Colostrum! These ultra-concentrated colostrum capsules contain a whopping 40 percent immunoglobulins—15 percent more than in our regular colostrum. You won't find a more powerful colostrum supplement anywhere. !