← All claims

Supplements · Metabolic & Cardiometabolic

moderate coffee intake decreases cardiovascular disease risk

In plain terms: Does moderate coffee (2-5 cups/day) lower heart-disease risk?

Strong support Supplements
RefutedContestedStrong support
consensus score 0.80

Yes — across many large meta-analyses, moderate coffee (about 2-5 cups/day) is associated with lower cardiovascular and all-cause mortality in a U-shaped curve; it does not raise heart-disease risk at these intakes.

📅 Last reviewed: 2026-07-14 ⓘ

Evidence ladder

How far up the ladder this claim has climbed. A high consensus on a low rung means "consistent so far," not "proven in people."

Top evidence so far: All trials, pooled (Meta-analysis)

MechanismIn-vitroAnimalObservationalRCTMeta-analysis

How the studies fall

11 support 0 contradict 0 tested null 4 mixed · 15 sources, 11 independent groups

What the evidence shows

Moderate coffee intake, about two to five cups a day, is associated with lower cardiovascular and all-cause mortality in a U-shaped dose-response: pooled estimates peak near 16 percent lower all-cause mortality at four cups and 21 percent lower cardiovascular mortality at three. All of it is observational, so confounding by who drinks coffee remains.

The evidence (15)

SourceGradeStanceQualityFinding
Ding L, Wang HP, Zhao JY, Zhao X, Sha Y, Qin LQ, Hidayat K
2025 · Front Nutr
meta-analysis supports moderate In people with diabetes, coffee consumption was associated with lower CVD and all-cause mortality.
Crippa A, Discacciati A, Larsson SC, Wolk A, Orsini N
2014 · Am J Epidemiol
meta-analysis supports high Nonlinear meta-analysis showed largest reductions at ~4 cups/day for all-cause (16%) and ~3 cups/day for CVD mortality (21%).
Ding Y, Chen H, He J, Duan M, Yuan C, Zhang X, He D, Zhu Y
2026 · European journal of nutrition
observational supports high UK Biobank cohort (n=167,142): unsweetened coffee showed a U-shaped dose-response with incident CVD (P-nonlinearity<0.001), lowest risk at 2.5 units/day; HRs ranged 0.81-0.90 for 0-5 units/day but null at >5 units/day (HR 1.00). Sweetened c
Ribeiro EM, Alves M, Costa J, Ferreira JJ, Pinto FJ, Caldeira D
2020 · Nutr Metab Cardiovasc Dis
meta-analysis supports moderate After myocardial infarction, coffee consumption was associated with lower cardiovascular and all-cause mortality, indicating safety and benefit.
Mostofsky E, Rice MS, Levitan EB, Mittleman MA
2012 · Circ Heart Fail
meta-analysis supports moderate Moderate coffee intake associated with lower incident heart failure risk in a U-shaped dose-response.
Steffen M, Kuhle C, Hensrud D, Erwin PJ, Murad MH
2012 · J Hypertens
meta-analysis mixed moderate Long-term coffee did not clearly raise blood pressure or hypertension risk, tempering but not supporting a strong protective claim.
D'Elia L, La Fata E, Galletti F, Scalfi L, Strazzullo P
2019 · Eur J Nutr
meta-analysis mixed moderate Dose-response meta-analysis found an inverse association between habitual coffee and hypertension risk only at higher intakes, weak at moderate doses.
Di Maso M, Boffetta P, Negri E, La Vecchia C, Bravi F
2021 · Adv Nutr
meta-analysis supports high Pooled cohorts showed coffee inversely associated with CVD, with greatest benefit at 3-4 cups/day and none thereafter.
Kim Y, Je Y, Giovannucci E
2019 · Eur J Epidemiol
meta-analysis supports high 40-study meta-analysis found lowest CVD mortality risk at ~2.5 cups/day and all-cause at 3.5 cups/day.
Alves M, Dragovic F, Correia C, Rodrigues T, Oliveira MR, Caldeira D
2026 · Cureus
observational mixed low NHANES cross-sectional analysis of 915 heart-failure patients: 1-3 cups/day showed no significant mortality association, but ≥4 cups/day was associated with increased all-cause mortality (OR 1.58, 95% CI 1.16-2.16).
Ding M, Bhupathiraju SN, Satija A, van Dam RM, Hu FB
2014 · Circulation
meta-analysis supports high Dose-response meta-analysis found moderate coffee (3-5 cups/day) associated with lowest CVD risk in a U-shaped relationship.
Haghighatdoost F, Hajihashemi P, de Sousa Romeiro AM, Mohammadifard N, Sarrafzadegan N, de Oliveira C, Silveira EA
2023 · Nutrients
meta-analysis mixed moderate Coffee showed no overall increased hypertension risk and possible protection at higher intake, though findings were heterogeneous.
Grosso G, Micek A, Godos J, Sciacca S, Pajak A, Mart&#xed;nez-Gonz&#xe1;lez MA, Giovannucci EL, Galvano F
2016 · Eur J Epidemiol
meta-analysis supports high Consumption up to 4 cups/day linked to decreased all-cause and CVD mortality, robust across smoking strata.
Biswas S, Srivastava Y, Kollu R, Hamadttu A
2026 · Journal of health, population, and nutrition
meta-analysis supports moderate Dose-response meta-analysis of 13 prospective cohorts (656,666 participants) found moderate coffee consumption (2-4 cups/day) associated with reduced heart-failure risk (HR 0.925, 95% CI 0.882-0.971); a J-shaped pattern was suggested (nonli
Shahinfar H, Jayedi A, Khan TA, Shab-Bidar S
2021 · Nutr Metab Cardiovasc Dis
meta-analysis supports moderate Dose-response meta-analysis in type 2 diabetes found coffee associated with reduced CVD events and mortality.

Disagree, or know a study we missed?

We grade by evidence, not opinions. The way to weigh in is to point us to a study we haven't cited (check the evidence table above first), or to flag a problem with one we have. Every submission is reviewed; if it holds up, the grade updates and shows in Science Changes Its Mind.

📚 Suggest a study ⚑ Flag / request reclassification

Opens a short form. You'll sign in with Google so submissions are tied to a real account — we don't display your identity, and we only accept a link we can verify (PubMed, DOI, ClinicalTrials.gov).

Educational only, not medical advice. Grades and scores reflect published evidence weighted by study design and quality; see the methodology.