From the Manufacturer:
Colostrum is a unique food supplement, rich in a variety of biologically active proteins including immunoglobulins. Source Naturals Colostrum is true, bovine colostrum (not cheese whey), collected with in the first 12 hours of production. It is then standardized so that certain key proteins found in colostrum make up 30% of the finished product.
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.