Caffeine

Cross-source consensus on Caffeine from 41 sources and 157 claims.

41 sources · 157 claims

Uses

Caffeine is present in coffee, tea, energy drinks, and chocolate. — Caffeine and Acetylcholine in Brain Function
Caffeine functions as a diuretic, increasing urinary output and causing net fluid loss. — Drinking Water Is NOT the Best Way to Stay Hydrated
Coffee and tea do not directly raise insulin and are compatible with fasting in moderate amounts. — 5 Things That Won't Break Your Fast
Tea carries no caffeine-cortisol caveat and is safe during fasting. — 5 Things That Won't Break Your Fast
A daily intake of 2.2 liters of Coca-Cola delivers approximately 149.6 milligrams of caffeine. — What If You Drank 2.2 Liters of Coca-Cola Every Day?
Caffeine blocks adenosine, causing adenosine levels to drop significantly. — How Caffeine Disrupts Adenosine and the Brain's Brakes
Caffeine has a 5- to 6-hour half-life in the human body. — Morning Coffee and Longevity
Caffeine has a half-life of five to six hours. — Caffeine and Cognitive Health
Caffeine increases adrenaline levels in the body, producing a jittery, nervous feeling when consumed in excess. — Eliminate Coffee Jitters with Vitamin B1
Drinking coffee does not deliver the same skin benefits as applying caffeine directly to the skin. — Caffeine Applied Topically to the Skin — Benefits and Limitations