Highest Known Vegan Source of Omega-3s. Source Naturals OmegaChia™ Oil is made from chia seeds an ancient Aztec superfood. Chia seeds were one of the main staples in the Aztec and Incan daily diet the most valued after corn. Chia is the highest known plant source of the omega-3 ALA which is able to convert into both EPA and DHA within the body. OmegaChia™ Oil contains more omega-3s than flaxseed and helps to balance the ratio of omega-3s to omega-6s. A balanced omega-3 to omega-6 ratio supports a healthy inflammatiom response.