Cumin (Black Cumin / Kalonji) for Immune Function

Research suggests that Nigella sativa, commonly known as black cumin or kalonji, may support immune function and potentially reduce the severity of respiratory infections, with available evidence drawing largely from a 2023 narrative review that synthesized findings from randomized controlled trials and controlled trials focused on COVID-19 outcomes. Studies indicate a generally supportive direction, with three randomized controlled trials reviewed suggesting possible benefits including improved immune response, faster viral clearance, and reduced symptom severity, particularly when Nigella sativa was combined with honey. However, the overall body of evidence on this specific application remains limited, and the reviewed studies carried notable methodological constraints, including restricted clinical assessments and limited funding, which the review authors themselves flagged as reasons for caution in interpreting the findings. As such, while early research points in a promising direction, stronger and more rigorous evidence would be needed before firm conclusions can be drawn about Nigella sativa's role in immune support.