For most healthy adults, yes: moderate coffee drinking appears to be safe and may even be good for you. Coffee is packed with natural antioxidants called polyphenols, and large studies link it to a modestly longer life. Quality matters, though, and some people should be careful. Here's what the research says.
Coffee is America's top antioxidant source
A University of Scranton study measured antioxidants in more than 100 foods and found that, because Americans drink so much of it, coffee is the number one source of antioxidants in the American diet (FoodNavigator, 2005). The main ones are chlorogenic acids, a family of polyphenols found in coffee beans. The researchers noted that fruits and vegetables would top the list if people ate more of them, so coffee isn't a replacement for real food.
What large studies have found
- A longer life. In a study of about 400,000 U.S. adults, coffee drinkers had a modestly lower risk of dying during the study period than non-drinkers (NIH-AARP study).
- More benefit than harm, in moderation. A 2017 review of more than 200 meta-analyses in The BMJ concluded that moderate coffee drinking appears to be safe or even beneficial for most people, with exceptions during pregnancy and for women at high risk of fractures (Poole et al., 2017).
Most of this research is observational, which means it shows links, not proof. But it's enough that coffee is no longer seen as a vice.
Who should be careful
- Pregnant women, who are commonly advised to keep caffeine to about 200mg a day.
- People sensitive to caffeine, who may get jitters, anxiety or poor sleep.
- Anyone with heart rhythm problems or on certain medications, who should ask their provider.
- Late-day drinkers: see How Late Can You Drink Coffee Before Bed?
How to make your coffee healthier
- Choose organic to avoid pesticide residues.
- Choose tested coffee. Coffee often meets mold before roasting. See Mold-Free Coffee.
- Skip the junk creamers made with seed oils and syrups. See The Healthiest Coffee Creamer.
- Keep it moderate. The FDA cites 400mg of caffeine a day, about two to three 12-ounce cups, as an amount not generally linked to negative effects for most adults (FDA).
- Hydrate first. Start with water and electrolytes. See Does Coffee Dehydrate You?
- Upgrade your cup with functional mushrooms. See Is Mushroom Coffee Good for You?
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Frequently asked questions
Is coffee good for you?
For most healthy adults, moderate coffee appears safe or even beneficial, according to large reviews. Pregnant women and people sensitive to caffeine should limit it.
How much coffee is healthy per day?
The FDA cites up to 400mg of caffeine a day, about two to three 12-ounce cups, for most healthy adults.
Does coffee have antioxidants?
Yes. Coffee is rich in polyphenols called chlorogenic acids and is the top source of antioxidants in the American diet.
Is black coffee healthier?
Black coffee avoids added sugar and seed-oil creamers. If you add something, choose real milk or cream.
Is decaf coffee good for you?
Decaf keeps most of coffee's polyphenols with little caffeine, so it's a good option for caffeine-sensitive people.