Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children confirmed the following recommendations: ≤400 mg/day (4 cups of coffee) for adults, ≤300 mg/day for pregnant women, and ≤2.5 mg/kg/day for children and adolescent.

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Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children confirmed the following recommendations: ≤400 mg/day (4 cups of coffee) for adults, ≤300 mg/day for pregnant women, and ≤2.5 mg/kg/day for children and adolescent.