Product Safety Perna® Green Lipped Mussel extract is taken from a widely consumed seafood. Routine monitoring of the waters and mussels comply with US FDA Shellfish Standards. Every batch of Perna® extract is tested to ensure that the product is free from environmentally induced pathogenic contaminants. Perna® extract has been subjected to both toxicity and teratogenic studies to confirm its safety as a therapeutic product. The studies were conducted to the standard protocol used for pharmaceutical products.