Where the beans originate from can also make a difference: 'Just like wine, different regions produce different characters of coffee because of differences in climate, altitude and soil.' he adds.Īnd there's more. Giles Hilton, a freelance coffee and tea specialist, told us: 'Light and medium roasted beans contain more caffeine than higher roasts, as the caffeine burns away as the roast level increases.' The level of roast can also impact caffeine levels. While most chains use a 100% arabica blend, those that use a mix of arabica and robusta naturally have more caffeine in their drinks.' Charles Love, tea and coffee expert at Whittard of Chelsea, told us: 'Arabica contains around half the caffeine levels of robusta. There are two main types of coffee bean, arabica and robusta. Other factors, such as the type of coffee beans used to make the drink, can also affect caffeine content. Most coffee shop brews will have at least two shots of espresso in them, although some have more, which is when your caffeine intake can quickly add up. The difference in caffeine content from one chain to another is partly down to how much coffee your drink actually contains. Like many things, though, it's best enjoyed in moderation.Īre you getting enough fibre? Find out how much you need, why it's so important, and simple ways to up fibre intake Why does caffeine content vary so much? Other studies have shown that people who drink coffee have a lower risk of stroke and liver disease. These include greater diversity of the gut microbiome in regular coffee drinkers, due to the polyphenols it contains, which help fuel good gut bacteria. Chocolate bar (approx 45g) = 9mg caffeine (milk), 18mg (dark).Ĭaffeine aside, there is emerging evidence that coffee has some health benefits too.Quantities can vary, but here's a rough guide to levels in other caffeine-containing food and drink: Typical caffeine content in other food and drink It's also in tea, cola, chocolate, energy drinks and some cold and flu remedies, so it's worth being in the know about how much you may be unintentionally consuming. Pregnant women should have no more than 200mg a day as higher intakes have been linked to an increased risk of miscarriage or low-birth weight babies.īut as we've shown it's hard to know exactly how much you're consuming. Most people can safely consume 300-400mg a day, but having more than 600mg a day has been linked to insomnia, nervousness, irritability, increased blood pressure and upset stomachs. It makes you more alert, increases attention and has been shown to increase performance in short-term high-intensity and endurance exercises. Caffeine is a natural stimulant that affects your brain and nervous system.
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