Guides

A glass of iced cold brew beside a steaming cup of hot black coffee on a wooden counter, with a dish of coffee beans behind
NeuroCoffee

Is Coffee Acidic? Coffee, Acid and Your Stomach

Coffee is mildly acidic, with a pH of about 4.85 to 5.13. How cold brew,...
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A cup of black coffee and a glass of water on a kitchen table beside an empty plate with a fork in morning light
NeuroCoffee

Can You Drink Coffee While Fasting? What Breaks a Fast

Black coffee has about 2 calories a cup, so most intermittent fasting plans allow it....
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A rolled blood pressure cuff and its tube on a wooden kitchen table beside a steaming cup of black coffee
NeuroCoffee

Does Caffeine Raise Blood Pressure? What the Research Shows

Caffeine raises blood pressure for a few hours, but the effect is smaller in many...
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A person on a sofa with eyes closed and fingertips pressed to their temple beside an empty coffee mug in soft morning light
NeuroCoffee

Caffeine Withdrawal: How Long It Lasts and How to Ease It

Caffeine withdrawal usually starts 12 to 24 hours after your last dose and lasts 2...
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A cup of black coffee on a wooden kitchen table with a wall clock behind it showing late afternoon
NeuroCoffee

How Long Does Caffeine Stay in Your System? Caffeine Half-Life Explained

Caffeine has an average half-life of about 5 hours, but it varies widely. How long...
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A person resting their head on one hand at a desk beside a half-finished cup of coffee in afternoon light
NeuroCoffee

Why Does Coffee Make Me Tired? What the Research Says

Caffeine blocks the sleepiness signal but does not remove it. Why poor sleep, late-day coffee...
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A cup of black coffee on a saucer beside small bowls of green and roasted coffee beans on a wooden table in evening light
NeuroCoffee

Does Decaf Coffee Have Caffeine? How Much, and How It's Made

Decaf coffee typically has 2 to 15 mg of caffeine per 8-ounce cup. How decaf...
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A mug of black coffee beside a plate of toast and a glass of water on a breakfast table in morning light
NeuroCoffee

Why Does Coffee Make You Poop? What the Research Shows

Coffee stimulates the colon within minutes in some people, partly through caffeine and partly through...
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A mug of brewed coffee beside a small espresso cup and a pour-over coffee maker on a wooden counter
NeuroCoffee

How Much Caffeine Is in a Cup of Coffee? Brewed, Espresso, Instant and Decaf

An 8-ounce cup of brewed coffee has about 95 mg of caffeine; a shot of...
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A mug of black mushroom coffee and a glass of water on a morning table, with an empty plate and a bowl of berries waiting for a later meal
NeuroCoffee

Does Mushroom Coffee Break a Fast?

Most mushroom coffee has a few calories, so it breaks a strict fast. How it...
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A mug of creamy mushroom coffee on a breakfast table with whole-grain toast, a glass of water and dried mushroom slices
NeuroCoffee

Does Mushroom Coffee Make You Poop?

Mushroom coffee can make you poop, mostly because it is still coffee. Whether the caffeine...
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Person about to sip a creamy coffee with cinnamon next to a jar of coffee powder and a small pitcher of oat milk
NeuroCoffee

What Does Mushroom Coffee Taste Like?

Mushroom coffee tastes mostly like a milder coffee with a faint earthy note, not like...
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