PlainPill

Black Coffee vs Black Pepper

Short answer: Overall, Black Coffee gets more positive reports (100% vs 65%).

Black Coffee has 0 meta-analyses and 15 randomized trials on PubMed; Black Pepper has 6 and 22.

Based on 16 reports about Black Coffee and 54 about Black Pepper. Not medical advice.

Black Coffee
Substance
Black Pepper
Supplement
Users say it helped100%helped11 reports · few reports65%helped9 reports · few reports
Verdict
Mostly positive
Mostly positive
ResearchBResearch: ModerateAResearch: Strong
Meta-analyses / RCTs0 / 156 / 22
Mainly used for
Energy
% reporting improvement
100% (6)—
Common side effectsNone reportedrespiratory irritation, digestive system, stomach issues, liver damage
Typical dose reported—1 tsp / daily
Black Coffee
What a user said
“Black coffee works perfectly well for me. It works even better to suppress appetite with an added 500mg of L-Theanine.”
Full Black Coffee profile →
Black Pepper
Latest review conclusion

Only ginger and black cumin reported a significant improvement in glycated hemoglobin, and only cinnamon and ginger showed a significant decrease in insulin.

Nutrients, 2024 ↗
What a user said
“I'd go with the black pepper extract and grapefruit juice myself. I know that does a good job of inhibiting CYP3A4 for 5-7 days.”
Full Black Pepper profile →

Related comparisons

Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate