A 30-ounce Mango Yuzu Citrus Charged Lemonade has 390 milligrams of caffeine 

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The FDA recommends a daily caffeine intake of up to about 400 mg for adults over 18 

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Overconsumption of caffeine can cause insomnia, jitters, anxiousness, fast heart rate, upset stomach, nausea, headache, and unhappiness 

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Caffeine toxicity occurs at higher doses, around 1,200 milligrams, leading to severe symptoms like palpitations, tremors, shakiness, and panic attacks 

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Panera's website advises moderation, explicitly stating that the drinks are not recommended for children, people sensitive to caffeine, pregnant, or nursing women 

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Caffeinated Lemonade Chargers in 3 Great Flavor  Blood Orange Charged Splash - Zero Sugar

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Strawberry Lemon Mint Charged Lemonade

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Mango Yuzu Citrus Charged Lemonade

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