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Three bowls of coffee beans ranging from light brown to glossy near-black on a wooden table, with a few green unroasted beans in front.
Guides

Light vs. Medium vs. Dark Roast: Flavor, Acidity and Caffeine Facts

What roasting does to sugars, acids and caffeine, which roast suits which brewer, and how to decode the words on the bag, in plain English with real numbers.

Oct 11, 2026 · 9 min read

A lineup of drinks on a stone counter: a mug of drip coffee, an espresso cup, iced cold brew, a bowl of whisked matcha, a plain can and a spoonful of instant coffee.

Guides

How Much Caffeine Is in Your Cup? Drip, Espresso, Cold Brew, Matcha

Typical caffeine in drip, espresso, cold brew, instant, matcha and canned coffee, plus the FDA's 400 mg guidance, pregnancy limits and what decaf really contains.

8 min read

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