What makes Benesse Health pure Marine Collagen Unique is that Benesse Marine Collagen is a 100% natural product. It does not contain any soy, wheat dairy, lactose, gluten and allergens. It also does not contain any additives or preservatives, flavours or any artificial colours. Benesse Pure Marine Collagen has high bio-availability, which means that our bodies are able to absorb it easily and rapidly due to its low molecular weight.