There is provided a vegetable-based lipid composition comprising DHA, ALA, and oleic acid (typically as a fatty acid ester) in particular proportions. The composition also contains low levels of EPA and palmitic acid. The composition is obtainable from a single source by conventional processing methods, and has improved stability properties.提供一種基於植物之脂質組合物,其包含特定比例之DHA、ALA及油酸(通常為脂肪酸酯)。該組合物亦含有低含量之EPA及棕櫚酸。該組合物可藉由習知處理方法自單一來源獲得,且具有改良之穩定性特性。