Conclusion: Only ginger and black cumin reported a significant improvement in glycated hemoglobin, and only cinnamon and ginger showed a significant decrease in insulin.
PubMed 38542668 ↗Black Pepper
People mainly take Black Pepper for pain & inflammation. Based on 19 first-hand reports and 6 meta-analyses & systematic reviews in the medical literature. Ranked #287 of 1,974 overall.
Of reports that state an outcome, 76% are positive.
What Black Pepper 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.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: As a conclusive remark, P. nigrum should not only be regarded as "King of spices" but can also be considered as part of the kingdom of medicinal agents, comprising a panoply of bioactive compounds with potential nutraceutical and pharmaceutical applications.
PubMed 30740986 ↗Conclusion: This review paper is an initial step in a funded research project by SARC to understand the pattern of use of shammah and provide adequate epidemiological data. One goal of this review is to generate further data for public health education.
PubMed 25169473 ↗Conclusion: Most studies had an unclear bias. Further larger and well-designed RCTs are needed to draw robust conclusions.
PubMed 32869155 ↗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
Verbatim quotes, shortened only — each links to the original discussion.
“turmeric is absorbed much better with black pepper.”
“are you taking it with black pepper? It helps your body absorb it and makes the effects more powerful”
“Black pepper - circulation, immune system.”
“Adding black pepper to the coffee may make the results more reliable.”
“Fresh black pepper would help too”
Top discussions (5)
- Which foods do you eat every single day for nutritional/biohacking purposes? ↗
- I need to heal a cold in 4 days. Advice needed. ↗
- If turmeric/curcumin worked, do I need to take it forever? ↗
- Ibuprofen alone increased the relative number of dopaminergic neurons by 47% (+ More For Those Quitting Amphetamine) ↗
- Curcumin treatment leads to better cognitive and mood function in a model of Gulf War Illness with enhanced neurogenesis, and alleviation of inflammation and mitochondrial dysfunction in the hippocampus - 2018 ↗
Other options for pain & inflammation
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 2, 2026. How we rate