Review Article
Therapeutic Efficacy of Flavonoids in Allergies: A Systematic Review of Randomized Controlled Trials
Table 1
Baseline characteristics of the randomized controlled trials included in the systematic review.
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Abbreviations: wk: week; d: day; NA: not available or unclear; USA: United States of America; ♂: male; ♀: female; PEF: peak expiratory flow; Pycnogenol®: mixture of water-soluble bioflavonoids extracted from the bark of French maritime pine (Pinus pinaster Aiton); ClearGuard™ combination botanical product: cinnamon (Cinnamomum zeylanicum) bark extract, acerola (Malpighia glabra) fruit concentrate, and Spanish needles (Bidens pilosa); EGCG: epigallocatechin gallate; Lertal®: quercetin 150 mg, Perilla frutescens 80 mg (as dry extract of the seeds containing rosmarinic acid, luteolin, apigenin, and chrysoeriol), and vitamin D3 5 mcg (200 IU). Dose considering the average weight of a teen (47.6 kg). |