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Naturopathic Medicine and the Prevention and Treatment of Cardiovascular Disease
Published in Stephen T. Sinatra, Mark C. Houston, Nutritional and Integrative Strategies in Cardiovascular Medicine, 2022
In addition to consuming filtered water, some studies show promising reductions in blood pressure with the use of hibiscus tea. Hibiscus flowers contain anthocyanins, which are thought to exhibit blood pressure-lowering effects through mild ACE inhibitor and diuretic actions. In a randomized, double-blinded, placebo-controlled trial, 3 240 mL servings per day of hibiscus tea were administered for 6 weeks to pre and mildly hypertensive adults. Compared to placebo, those consuming hibiscus tea had lower SBP and DBP by 7.2 and 3.1 mmHg, respectively.59 In two other RCTs (one of them double-blinded), hibiscus tea was almost comparable to the ACE inhibitors lisinopril and captopril in lowering BP with a wide margin of tolerability and safety.60,61
Nutritional Approaches to Chronic Illness
Published in Aruna Bakhru, Nutrition and Integrative Medicine, 2018
A 6-week double blind placebo controlled trial of hibiscus tea was carried out, in which the subjects were mildly hypertensive patients. The treatment group received 3 servings of hibiscus tea daily, while the placebo group drank a preparation with similar appearance and taste. In the treatment group, systolic blood pressure was reduced by 7.2 mm Hg and diastolic blood pressure was reduced by 3 mm Hg. In the placebo group, small reductions of 1.3 mm Hg and 0.5 mm Hg were seen, for systolic and diastolic blood pressure, respectively. Compared to the placebo beverage the hibiscus tea contained at least 10 times the amount of phenols, and had a 10 times greater oxygen radical absorbance capacity (ORAC) value. In addition, the hibiscus tea contained anthocyanins, which were not found in the placebo beverage. No adverse effects were reported. The authors propose that drinking a cup of hibiscus tea 3 times a day may be an intervention that would elicit better compliance than more comprehensive dietary interventions (McKay et al. 2009).
Naturopathic Medicine and the Prevention and Treatment of Cardiovascular Disease
Published in Stephen T. Sinatra, Mark C. Houston, Nutritional and Integrative Strategies in Cardiovascular Medicine, 2015
In addition to consuming filtered water, some studies show promising reductions in blood pressure with the use of hibiscus tea. Hibiscus flowers contain anthocyanins, which are thought to exhibit blood pressure–lowering effects through mild ACE inhibitor and diuretic actions. In a randomized, double blind, and placebo-controlled trial, 3240 mL servings per day of hibiscus tea were administered for 6 weeks to prehypertensive and mildly hypertensive adults. Compared to placebo, those consuming hibiscus tea had lower SBP and DBP by 7.2 and 3.1 mmHg, respectively.45 In two other RCTs (one of them double blinded), hibiscus tea was almost comparable to the ACE inhibitors lisinopril and captopril in lowering blood pressure with a wide margin of tolerability and safety.46,47
Nutrient and Food Intake of Participants in a Whole-Food Plant-Based Lifestyle Program
Published in Journal of the American College of Nutrition, 2021
Boštjan Jakše, Barbara Jakše, Stanislav Pinter, Jernej Pajek, Uroš Godnov, Nataša Fidler Mis
According to individual dietary needs (PA level), cooking skills, and lifestyle challenges, certain other dietary supplements could also be chosen. Other more often used dietary supplements that participants could choose were black, green, and hibiscus tea (associated with improved health and well-being (39,40)) and dietary fiber beverages, multivitamin/mineral complexes, and hypotonic sport drinks. The WFPB diet component in our dietary program was previously defined in additional detail (41). The majority of energy in the supplemented WFPB diet comes from unprocessed vegetables and fruits; starchy foods such as whole grains, legumes, and white potato (prepared without vegetable oil/added fat); and others. The composition of the supplemented WFPB diet is presented in Table 1 and in more detail in Table 1S.