Black seed oil has been investigated for allergic-rhinitis symptoms, including congestion, itching and sneezing. A small human study reported encouraging symptom findings.
Study design
Prospective double-blind clinical study; 66 people with allergic rhinitis; symptom follow-up over 30 days.
Reported findings
A 2011 double-blind clinical study followed 66 people with allergic rhinitis for 30 days. The authors reported improvements in several nasal symptoms during the first two weeks in participants exposed to Nigella sativa oil.
Interpreting the result
The abstract provides insufficient detail to reproduce the administration protocol confidently. Symptom findings from one small study do not establish long-term control or generalise automatically to other products, age groups or allergy diagnoses.
Why this study is useful
The study followed symptoms over 30 days. Its abstract does not describe the route and protocol clearly enough to reproduce them, so the practical takeaway is the research finding rather than a home-use instruction.
Source
Nikakhlagh S, Nikakhlagh S, Rahim F, Aryani FH, Syahpoush A, Brougerdnya MG, Saki N. Herbal treatment of allergic rhinitis: the use of Nigella sativa. (2011).
Read the published study · Publisher / DOI
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