How Long Does It Take 300 mg of Caffeine to Wear Off?
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5 min read
The average half-life of caffeine in a healthy adult is approximately five hours. For a 300 mg dose, this means that after roughly five hours, 150 mg of caffeine is still active in your system. Exactly how long does it take 300 mg of caffeine to wear off is highly individual, with complete clearance taking 10 to 12 hours depending on various factors.
