AniMedTM Flax Seed Oil For optimum health for your horse, Omega 3 and Omega 6 are essential fatty acids that must be supplied in the diet or through supplements . AniMed"s Flaxseed Oil is one of the richest, natural sources of Omega 3 and Omega 6 fatty acids . Also contains alpha-linolenic acid (ALA) which is derived from plant seeds . Available in gallon size For MSDS Sheet, please click on Manufacturer"s Information to the right.