Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Nigella seed (Nigella sativa), also known as black seed or black cumin, has been traditionally used in various cultures for respiratory ailments, and there is a moderate level of scientific evidence supporting its use for the bronchial system. The seeds contain thymoquinone, an active compound shown to possess anti-inflammatory, antioxidant, and bronchodilatory effects in preclinical studies. Several animal studies have demonstrated that Nigella sativa extracts can reduce airway inflammation, decrease bronchial hyperresponsiveness, and ameliorate symptoms of asthma.

Some small-scale human clinical trials and observational studies have also suggested benefits. For example, a few randomized controlled trials have reported improvements in asthma symptoms, pulmonary function tests, and reductions in airway inflammation among patients taking Nigella sativa supplements compared to placebo. However, these studies often have small sample sizes and short durations, and the methodologies vary widely, limiting the strength of the conclusions.

Overall, while there is a long history of traditional use and a growing body of experimental and early clinical evidence supporting Nigella seed for bronchial conditions (such as asthma and bronchitis), large, high-quality clinical trials are still needed to confirm its safety and efficacy. Thus, the use of Nigella seed for supporting the bronchial system can be considered scientifically promising but not definitively proven at this stage.

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