Introduction: There is growing interest in lipid-lowering nutraceuticals; however, there are a relative scarcity of data on combined compounds. This study was aimed to assess the efficacy and tolerability of a combined nutraceutical (CARDIOL® Forte - CF) containing polyunsaturated fatty acids, hydroxytyrosol, Coenzyme Q10, folic acid, B12 and E vitamins, piperine, and red yeast rice in patients with mild-to-moderate hypercholesterolaemia.
Material and methods: In this single-centre, double-blinded, placebo-controlled study enrolled subjects who were randomised to receive the tested combined nutraceutical for 16 weeks (CF group) or placebo (control group), in association with a low-fat diet. After 8 weeks of treatment, all patients underwent a 15-day washout period; then, a further 8 weeks of treatment was planned.
Results: Of 80 enrolled subjects, 37 completed the study in the CF group and 38 in the control group. After 8 weeks of treatment, low-density lipoprotein cholesterol levels were reduced by 17% in the CF group and by 6.4% in the control group, compared to baseline (p = 0.0001); these changes were improved at the end of study. Total cholesterol and triglyceride levels significantly decreased during treatment; high-density lipoprotein cholesterol did not change. In the CF group, flow-mediated dilation increased by 18.8% after 8 weeks and by 39.3% at the end of treatment. No adverse events or musculoskeletal disorders were reported in either group.
Conclusions: The tested combined nutraceutical, in association with a controlled diet, can reduce cholesterol levels and improve endothelial function, thus reducing the cardiovascular risk in patients with mild-to-moderate hypercholesterolaemia.
Keywords: endothelial function; hypercholesterolaemia; low-density lipoprotein-cholesterol; monacolin K; nutraceutical; red yeast rice.
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