Last verified: 17 days ago
Coffee
Also known as: Coffea arabica, Coffea robusta, caffeine, coffee extract, green coffee, Turkish coffee, instant coffee
Evidence under review. — Not yet rated
Popular beverage with real effects on alertness, migraine risk, and heart rate — but not without trade-offs.
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What it does
Coffee is one of the world's most consumed beverages, containing caffeine plus hundreds of other bioactive compounds including polyphenols. Research suggests habitual coffee intake is genetically...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose from provided studies
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Found in
Slimessia Balance Coffee, XS Energy + Burn Drink Blue Razz, Earth Circle Organics Coconut Cream Powder and 17 more
What the Science Says
Coffee is one of the world's most consumed beverages, containing caffeine plus hundreds of other bioactive compounds including polyphenols. Research suggests habitual coffee intake is genetically linked to reduced migraine risk, particularly migraine with aura, while acute caffeine doses around 130 mg can modulate immune cytokine responses in ways that differ from caffeine alone. A coffee polyphenol extract taken over 24 weeks showed meaningful reductions in LDL cholesterol and triglycerides in overweight adults compared to placebo.
What It Doesn't Do
Won't reliably improve sports skill performance — a study on soccer passing found no benefit. Not a proven weight-loss tool on its own. The polyphenol benefits don't automatically transfer from drinking coffee to taking an extract. Doesn't guarantee better focus in people with ADHD — that research was on a caffeine plus L-theanine combo, not coffee alone.
Evidence-Based Benefits
Lifelong higher caffeine intake is linked to lower migraine risk, especially migraine with aura.
Moderate EvidenceEffective at: No established dose from provided studies
Supporting studies (click to view on PubMed):
Coffee polyphenol extract reduced LDL, triglycerides, and total cholesterol in overweight adults over 24 weeks.
Moderate EvidenceEffective at: No established dose from provided studies
Supporting studies (click to view on PubMed):
Coffee and caffeine both acutely shift cytokine levels, but through different mechanisms.
Weak EvidenceEffective at: 130 mg caffeine per serving
Supporting studies (click to view on PubMed):
Short-term unfiltered coffee consumption raises blood pressure and heart rate in healthy young women.
Weak EvidenceEffective at: 3 cups/day (40 mL each) for 4 weeks
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Good — caffeine is rapidly absorbed; however, the broader polyphenol matrix in coffee behaves differently from isolated caffeine, as shown by distinct immune responses between coffee brew and pure caffeine solution
Red Flags to Watch For
- Short-term Turkish coffee consumption raised systolic blood pressure by 3 mmHg and heart rate by 11.9 bpm in healthy young women — a concern for those with cardiovascular risk
- Unfiltered coffee raised LDL cholesterol levels in the Turkish coffee pilot trial
- Abrupt caffeine withdrawal or consuming 3+ cups/day can trigger migraine attacks in susceptible individuals
- A Mendelian randomization study found a 3.4x higher odds of carpal tunnel syndrome associated with instant coffee consumption — preliminary but worth noting for heavy users
- Short-term Turkish coffee intake impaired sleep quality — relevant for anyone consuming coffee in the afternoon or evening
- Coffee can be contaminated with ochratoxin A, a mycotoxin — sourcing and storage quality matters
Products Containing Coffee
See how Coffee is used in these analyzed products:
Slimessia Balance Coffee
Weight Loss
XS Energy + Burn Drink Blue Razz
Supplement
Earth Circle Organics Coconut Cream Powder
Supplement
RYZE Mushroom Coffee
Supplement
Performance Lab Caffeine 2
Supplement
XAXX Collagen 6-IN-1 Beauty Elixir
Everyday Dose Mushroom Coffee+ Single Packet
Supplement
C4 Original Pre-Workout
Nutricost Pre-X Extreme Pre-Workout
Supplement
Kaged Pre-Workout Max
Supplement
Iron Repair Simply
Supplement
ATP LAB Neuro Prime
Supplement
Bloom Nutrition Drinks (Sparkling Energy)
Supplement
Java Burn
Supplement
Atlas+ Elevated Focus
Supplement
Alka-Seltzer Energy Boost Tropical Punch
Supplement
KAGED Elite Pre-Workout
Supplement
The Absorption Company Energy
Supplement
Bloom Nutrition High Energy Pre-Workout
Supplement
Gorilla Mode Base
Supplement
Frequently Asked Questions
What does Coffee do?
Popular beverage with real effects on alertness, migraine risk, and heart rate — but not without trade-offs.
What is the effective dose of Coffee?
No established dose from provided studies
Is Coffee safe?
Short-term Turkish coffee consumption raised systolic blood pressure by 3 mmHg and heart rate by 11.9 bpm in healthy young women — a concern for those with cardiovascular risk
What doesn't Coffee do?
Won't reliably improve sports skill performance — a study on soccer passing found no benefit.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25