Potters Seatone capsulescontains a wide range of naturally present components that may help maintian joint suppleness & mobility. Seatone contains a purified extract from the Green Lipped Mussel, which is found in the clear unpolluted waters off New Zeal&. Biolane is preserved & stablised using a process which process which perserves the active properties of the mussels. The mussels are harvested & carefully managed from sustainable sources.