| Effect | Increase |
| Trial Design | Randomized trial |
| Trial Length | 1-6 months |
| Number of Subjects | 39 |
| Sex | Both Genders |
| Age Range | 18-29, 30-44 |
When patients were put on immunotherapy for one month and then divided into a control or a 2g nigella sativa group, the usage of the seeds as adjuvant was associated with reduction in allergic rhinitus symptoms and an increase in macrophage killing activity and phagocytosis.
