19 source-backed options
Caffeine content by drink
Compare one clearly defined serving at a time. Brand recipes, serving sizes and regional formulations can change, so use the label on your drink whenever possible.
Coffee & café
Brewed coffee
95 mg caffeineA useful general estimate for an ordinary cup of brewed coffee. Bean, roast and preparation can change the dose substantially.
1 fl oz / 30 mlEspresso
63 mg caffeineA typical single espresso contains less caffeine than a full brewed coffee, although it is more concentrated by volume.
16 fl oz / 473 ml (US)Starbucks Caffè Latte — Grande
150 mg caffeineStarbucks lists approximately 150 mg for its standard US Grande Caffè Latte. Customisations and regional recipes can change the amount.
12 fl oz / 355 ml (US)Starbucks brewed coffee — Tall
260 mg caffeineA representative Tall brewed coffee value published by Starbucks. The selected roast and brewing conditions can affect the dose.
1 shot (UK)Costa Signature Blend espresso
100 mg caffeineCosta lists 100 mg for one Signature Blend espresso shot in its current UK store guide. Drink sizes with two or more shots contain more.
1 capsule / 40 mlNespresso Original espresso
65 mg caffeineThis is Nespresso’s worked example for a 5 g pure-Arabica Original capsule. The wider Original range varies substantially by blend.
Energy drinks
Red Bull Energy Drink
80 mg caffeineThe standard 250 ml can contains 80 mg; larger cans contain proportionally more. Check the can when selecting a different size.
16.9 fl oz / 500 ml (UK)Monster Energy
160 mg caffeineMonster lists 160 mg per 500 ml can in the UK. Other Monster products and markets can use different recipes and can sizes.
1 canCELSIUS Energy
200 mg caffeineStandard CELSIUS and Vibe cans contain 200 mg. CELSIUS Essentials is a different range and contains 270 mg per can.
16 fl oz / 473 mlPRIME Energy
200 mg caffeineThe current 16 fl oz PRIME Energy can lists 200 mg. This is not the caffeine-free PRIME Hydration drink.
16 fl oz / 473 ml (US)Rockstar Original Energy
160 mg caffeineCaffeine for the current US 16 fl oz Original can. Other Rockstar lines include materially different caffeine amounts.
16.9 fl oz / 500 ml (UK)Lucozade Alert
160 mg caffeineLucozade Alert contains 32 mg per 100 ml, giving 160 mg in a 500 ml can.
16 fl oz / 473 ml (US)REIGN Total Body Fuel
300 mg caffeineA US 16 fl oz REIGN can lists 300 mg. Formulations in other countries can be lower, so check the local label.
Tea
Soft drinks
Coca-Cola Original Taste
34 mg caffeineCaffeine content for a standard US can. Formulations and serving sizes can vary by market.
12 fl oz / 355 ml (US)Diet Coke
46 mg caffeineCaffeine content for a standard US can. Check the package for the most relevant local value.
12 fl oz / 355 ml (US)Pepsi
38 mg caffeineCaffeine content for one standard US can. Pepsi notes that formulations can change, so check current packaging.
20 fl oz / 591 ml (US)Pepsi Zero Sugar
63 mg caffeineThe current US 20 fl oz bottle lists 63 mg. Smaller cans and recipes sold in other markets can differ.