OstroVit - Histidine is an amino acid...
Each capsule of Omega 3 Iron Horse contains 1000 mg, this content is not found in pharmacy omega-3s!
Vitacost - Flaxseed/ Fish Oil Complex is a unique combination of a complex that supplies omega-3 , omega-6 and omega-9 fatty acids from vegetable and fish sources.
Natrol's Omega-3 Fish Oil 1000mg provides your diet with the "right" omega-3s.