Blackmores Fish Oil 1000 is a natural source of marine omega-3 fatty acids. This is an ideal dietary supplement to take if you can't manage to eat the recommended 2-3 serves of fish a week. Omega-3s are essential for normal health, and must be obtained through the diet. To ensure you can take Blackmores Fish Oil 1000 with confidence, Blackmores only uses quality fish oil without added artificial surfactants to disguise fishy odours. Tested for pesticide residue.