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nonnutrients with supposedly beneficial effects and what significance; if any, the available information has for consumers.
Caffeine occurs in several plants, including coffee beans, tea leaves, and cocoa beans. A stimulant, caffeine increases the respiration rate, heart rate, blood pressure, and the secretion of the stress and other hormones. It stimulates the digestive tract, promoting efficient elimination, and its wake-up effect is well known.
Caffeine seems to be relatively harmless when used in moderate doses, the equivalent of fewer than
80.5%