Knowledge Base
Coffee & Tea Guides
Brew better and explore more — buying guides, how-tos, and explainers for every coffee and tea ritual.
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Hawaiian Coffee: Kona and Beyond
What Hawaiian coffee is, where Kona and the other island regions grow, why the cup tastes so smooth, and how to tell genuine 100% Kona coffee from a Kona blend.
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Harney & Sons Tea, Explained
A friendly, no-hype guide to Harney & Sons tea: the family brand story, signature blends like Hot Cinnamon Spice and Paris, the formats, and how to pick one.
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Hard Iced Tea, Explained
Hard iced tea is iced tea with alcohol: a ready-to-drink, roughly 5% ABV canned drink for adults. Here is what it is, how it is made, its flavors, and how to make a spiked iced tea at home.
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Gyokuro Green Tea, Explained
Gyokuro is Japan's prized shade-grown green tea, known for its jade-green color and deep, sweet umami flavor. Here is what it is, how it differs from sencha and matcha, and how to brew it right.
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Gunpowder Green Tea, Explained
Gunpowder tea is a Chinese green tea rolled into tight pellets - bold, lightly smoky, and the classic base for Moroccan mint tea. Here is what it is, its caffeine and benefits, and how to brew it.
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Guayusa Tea, Explained: The Amazon's Caffeinated Leaf
Guayusa is a naturally caffeinated Amazonian leaf tea from Ecuador. Here is what it is, how it tastes, its caffeine, guayusa vs yerba mate, and how to brew it.
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Grind and Brew Coffee Makers, Explained
A grind and brew coffee maker is a drip machine with a grinder built in, so it grinds whole beans fresh and brews them in one cycle. Here is how it works and where it shines.
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Green Tea with Lemon: Benefits and How to Make It
A squeeze of lemon does more than brighten your green tea. Here is what the pairing may add, plus a simple method for making it hot or iced.
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Green Tea Side Effects: What to Know
Green tea is safe for most people, but it is not side-effect-free. Here are the honest downsides of caffeine, tannins, and high-dose extracts, who should be careful, and how to reduce each risk.
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Green Tea and Heart Health: What the Research Says
Green tea has one of the deepest research files of any everyday drink when it comes to the heart. Here is what the evidence actually supports, in plain language, and where the hype outruns the science.
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Benefits of Green Tea for Women: What the Evidence Says
Green tea's benefits for women map onto skin, metabolism, heart and bone health, hormones and calm energy — but the evidence is mostly associational, and a cup is not a supplement. Here is an honest, non-medical guide, plus the pregnancy, iron and extract cautions worth knowing.
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Green Tea Caffeine Content: How Much Is In a Cup?
A typical cup of green tea has roughly 20-45 mg of caffeine, usually around 25-35 mg. Here is how that compares to coffee, black tea and matcha, plus the brewing factors that raise or lower the number in your mug.
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Green Tea Antioxidants, Explained
Green tea is one of the richest everyday sources of antioxidants. Here is what its polyphenols, catechins and EGCG actually are, and how to brew a cup that keeps the most of them.
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Green Coffee Beans, Explained
Green coffee beans are raw, unroasted coffee beans — the same seeds that become your brew, minus the heat. Here is how they differ from roasted, why home roasters buy them, how to store them, and the honest truth about green coffee extract.
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Greek Mountain Tea: Benefits and How to Brew It
A friendly guide to Greek mountain tea (Sideritis, or tsai tou vounou): what it is, its traditional benefits, its mild golden flavor, and how to brew the whole stalk hot or iced.
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Greek Coffee: What It Is and How to Make It
Greek coffee is a strong, unfiltered brew simmered in a small briki. Learn what it is, how to make it, its sweetness levels, and how it differs from Turkish coffee and frappe.
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Good Morning Coffee: Rituals to Start the Day
For millions, the good morning coffee is a daily ritual, not just caffeine — a few warm, quiet minutes worth doing well. Here is why the morning cup matters and how to make yours better.
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The Gongfu Tea Ceremony, Explained
Gong fu cha, the Chinese gongfu tea ceremony, brews loose-leaf tea in a small pot with lots of leaf and many short infusions. Here is what it is, the tools you need, and how to do it.
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Gold Tea, Explained: What People Mean
Gold tea is not one thing. It can mean a premium gold blend, a golden-tipped black tea, or a turmeric golden drink. Here is what each really means and how to tell them apart.
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Ginseng Tea: Benefits, Types and How to Make It
Ginseng tea is a warm root infusion long valued in East Asia as an energizing tonic and adaptogen. Here are the types, the benefits, how to brew it, and who should be careful.
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Ginseng Coffee, Explained
Ginseng coffee blends coffee with ginseng root extract, most famously Italy's sweet, creamy caffe al ginseng. Here is what it is, how it tastes, whether it is good for you, and how to make a ginseng latte at home.
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Ginger Tea for a Sore Throat: How It Helps
A warm cup of ginger tea is a classic comfort for a scratchy, sore throat. Here is why it soothes, how to make it with honey and lemon, and when to see a doctor.
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Ginger Tea for Period Cramps: What to Know
Ginger tea is one of the better-studied natural options for period cramps. Here is what the research says, how to make it, when to start, and the cautions to keep in mind.
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Ginger Tea for Digestion and an Upset Stomach
A plain-English guide to using ginger tea for digestion and an upset stomach: why it may help, what it eases, how to make it, and when to check with a doctor.