Effect of alpha-linolenic acid in combination with the flavonol quercetin on markers of cardiovascular disease risk in healthy, non-obese adults: A randomized, double-blinded placebo-controlled crossover trial.

•Alpha-linolenic acid (ALA) on a daily basis improved lipid profiles in healthy, non-obese men and women.•No evidence of a synergistic effect of ALA plus quercetin on cardiovascular disease risk markers.•Regular intake of supranutritional doses of quercetin increased plasma quercetin.