• Vivid Biology is on sabbatical until 2028
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Vivid Biology is on sabbatical until 2028
Click here to read the notice

Vivid Biology is on pause from 2025 to 2028. This is because Claudia is living in Madrid, Spain.

She is still taking freelance work as a sole trader, send a message using the button above.

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Caffeine pattern

You’re not alone; caffeine is used regularly by more than 80% of humans, the most common forms being coffee or tea. Coffee is the second most popular beverage in the world, beaten only by water!


The substance caffeine is actually a psychoactive drug; and the most widely used one in the world, with a total annual consumption of over 120 000 tonnes. The molecule itself is an alkaloid; a nitrogen and carbon-based ring structure (C8H10N4O2), also known as trimethylxanthine. It has a half-life of about 6 hours, and is metabolised by the liver.

Caffeine pattern

You’re not alone; caffeine is used regularly by more than 80% of humans, the most common forms being coffee or tea. Coffee is the second most popular beverage in the world, beaten only by water!


The substance caffeine is actually a psychoactive drug; and the most widely used one in the world, with a total annual consumption of over 120 000 tonnes. The molecule itself is an alkaloid; a nitrogen and carbon-based ring structure (C8H10N4O2), also known as trimethylxanthine. It has a half-life of about 6 hours, and is metabolised by the liver.

Caffeine pattern

You’re not alone; caffeine is used regularly by more than 80% of humans, the most common forms being coffee or tea. Coffee is the second most popular beverage in the world, beaten only by water!


The substance caffeine is actually a psychoactive drug; and the most widely used one in the world, with a total annual consumption of over 120 000 tonnes. The molecule itself is an alkaloid; a nitrogen and carbon-based ring structure (C8H10N4O2), also known as trimethylxanthine. It has a half-life of about 6 hours, and is metabolised by the liver.

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