Caffeine

Caffeine Half-Life Calculator

Caffeine Half-Life Calculator

In brief Caffeine half-life is the time your body takes to clear half the caffeine in your system - typically around 5–6 hours for a healthy adult. This calculator estimates...

Caffeine Half-Life Calculator

In brief Caffeine half-life is the time your body takes to clear half the caffeine in your system - typically around 5–6 hours for a healthy adult. This calculator estimates...

Can Caffeine Make You Anxious?

Can Caffeine Make You Anxious?

Caffeine doesn't cause anxiety, but it can worsen symptoms in people who are already susceptible Individual response varies significantly due to genetics, tolerance, stress levels and sleep quality - the...

Can Caffeine Make You Anxious?

Caffeine doesn't cause anxiety, but it can worsen symptoms in people who are already susceptible Individual response varies significantly due to genetics, tolerance, stress levels and sleep quality - the...

A Caffeine Calculator

A Caffeine Calculator

This caffeine calculator estimates caffeine in your cup using dose, green coffee caffeine % and brew method. The formula: Caffeine (mg) = 1000 × Dose (g) × Green Coffee %...

A Caffeine Calculator

This caffeine calculator estimates caffeine in your cup using dose, green coffee caffeine % and brew method. The formula: Caffeine (mg) = 1000 × Dose (g) × Green Coffee %...

Gut Health and Caffeine

Gut Health and Caffeine

Caffeine stimulates both the brain and the gut—speeding up digestion and sometimes triggering discomfort. For those with IBS or reflux, caffeine may worsen symptoms like cramps, urgency or acid irritation....

Gut Health and Caffeine

Caffeine stimulates both the brain and the gut—speeding up digestion and sometimes triggering discomfort. For those with IBS or reflux, caffeine may worsen symptoms like cramps, urgency or acid irritation....

The Decaf Project

The Decaf Project

In brief The Decaf Project compared one Colombian coffee - the original and decaffeinated using CO₂, Ethyl Acetate, and Swiss Water methods. Led by James Hoffmann and Caravela Coffee, the...

The Decaf Project

In brief The Decaf Project compared one Colombian coffee - the original and decaffeinated using CO₂, Ethyl Acetate, and Swiss Water methods. Led by James Hoffmann and Caravela Coffee, the...

Bag of raw decaffeinated coffee

How is coffee decaffeinated?

In brief Decaf coffee retains most of the flavours and aromas of regular coffee, while reducing caffeine to about 10% or less of the caffeine content in a typical cup....

How is coffee decaffeinated?

In brief Decaf coffee retains most of the flavours and aromas of regular coffee, while reducing caffeine to about 10% or less of the caffeine content in a typical cup....