Black seed oil research includes the activity of specific immune-cell populations. A rheumatoid-arthritis trial examined T cells alongside clinical measurements.
Study design
Randomised, double-blind, placebo-controlled trial; 43 women with rheumatoid arthritis; oil capsules; two months.
Reported findings
A 2016 trial assigned 43 women with mild-to-moderate rheumatoid arthritis to black seed oil or placebo for two months. Researchers reported changes in selected T-cell subsets, lower hs-CRP, and improved disease-activity and swollen-joint measures. CD4-positive cell percentages were comparable between groups.
Interpreting the result
The findings concern people with rheumatoid arthritis and selected immune measures. They do not demonstrate prevention of infections or a universal increase in immune protection.
Why this study is useful
Immune research is more precise than the phrase “boosting immunity”. Different cell populations have different roles, so researchers examine patterns rather than assuming that every increase is beneficial. This oil trial explored those patterns alongside measures of joint symptoms and disease activity.
Source
Kheirouri S, Hadi V, Alizadeh M. Immunomodulatory Effect of Nigella sativa Oil on T Lymphocytes in Patients with Rheumatoid Arthritis. (2016).
Read the published study · Publisher / DOI
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