Conclusion: biloba as monotherapy, both of which can be used with other traditional therapies, and oral P. leucotomos with phototherapy or photochemotherapy.
PubMed 33337930 ↗Nigella Sativa Oil
The short answer. There isn't much data on Nigella Sativa Oil yet — 3 mentions, 2 with a clear outcome — so treat these numbers as anecdotal. There is a moderate body of research — 1 meta-analyses and 21 trials.
From 3 mentions in total — the rest didn't say how it went and aren't counted.
What Nigella Sativa Oil does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
At least one meta-analysis, or 5+ randomized controlled trials. The grade measures how much human research exists — read the conclusions below for what it found.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
Top discussions (3)
- Wow.... Nigella Sativa (aka black seed containing Thymoquinone) significantly improved mood, anxiety, and cognition in healthy young adults (n=48)... anyone else excited to try it? ↗
- Supplements to combat extreme forgetfullness. ↗
- Study suggests honey and Nigella sativa expedites viral clearance in COVID-19 patients ↗
Other options for immunity
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate