Quite simply, it is a very high quality, effective collagen supplement containing the two most beneficial types of collagen for your health. What's more, because it is hydrolysed marine collagen it is absorbed much more effectively than other types of collagen and, therefore, has greater potential benefits for your health.
Finally it contains Vitamin C which amongst many other things contributes to normal collagen formation for the normal function of blood vessels, bones, cartilage, gums, skin & teeth.
There's no nasty ingredients. Advanced Collagen is an incredibly effective product, made without any compromise.