Foods Highest in Caffeine
4,658 foods ranked by Caffeine per 100 g.
These are the foods highest in Caffeine, ranked by the amount per 100 g of the edible portion. Caffeine is a natural stimulant found in coffee, tea, cocoa and many soft and energy drinks. It works by blocking adenosine, the brain chemical that makes you feel drowsy, which temporarily boosts alertness and focus. It is not a nutrient, but it is the most widely used stimulant in the world.
Read the full Caffeine guideValues per 100 g.
Coffee, tea, cocoa and dark chocolate, energy drinks and some sodas. Amounts are per 100 g of the edible portion; your serving may differ.
Caffeine — frequently asked questions
What foods are highest in Caffeine?
Per 100 g, some of the richest sources are Tea, instant, unsweetened, powder, Coffee, instant, regular, powder, Tea, instant, sweetened with sodium saccharin, lemon-flavored, powder, Tea, instant, unsweetened, lemon-flavored, powder and Coffee, instant, with chicory, powder. See the full ranking above.
How much Caffeine do I need a day?
There is no Daily Value. Up to about 400 mg a day (roughly 3–4 cups of coffee) is considered safe for most healthy adults; pregnant people are advised to limit it.
What does Caffeine do?
Caffeine is a natural stimulant found in coffee, tea, cocoa and many soft and energy drinks. It works by blocking adenosine, the brain chemical that makes you feel drowsy, which temporarily boosts alertness and focus. It is not a nutrient, but it is the most widely used stimulant in the world.
Can you have too much Caffeine?
Too much caffeine can cause jitteriness, a racing heart, anxiety and disrupted sleep. Sensitivity varies, and it is wise to avoid it later in the day.