DOES MODERATE CAFFEINE CONSUMPTION CAUSES DIURESIS? - A SYSTEMATIC REVIEW

Abstract

Caffeine (1,3,7-trimethylxanthine) is the most consumed psychoactive substance in the world. The main sources in the dietary intake are coffee, tea, cocoa products and beverages. In India, acceptance and consumption of tea and coffee are have increased over the years. More than 90% adults in India use it regularly, and among them, average consumption is more than 200 mg of caffeine per day. There are studies that suggest caffeine consumption can cause diuretic effect in the body. Though it remains unclear that what amount of caffeine can cause diuresis. This Indian review studies the impact of moderate caffeine consumption in various scenarios to understand its impact on hydration status. In this systematic review, characteristic of 27 studies have been included which includes 3 placebo-controlled studies and 8 studies of exercise and sports based environment. Our main finding suggest that: (1) A daily intake of 300 mg of caffeine was shown to be safe in healthy adults with no reports of any fluid electrolyte imbalance. (2) Caffeine ingestion did not lead to excessive fluid loss in healthy adults.